2020
***** 2020 JANUARY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Jan 01/Thu Jan 02 8850.8 6 19 07 17 37 19 00 6 00 7 23 1 19 12 20 ..... 23 47 41 0 10.7 - 4 42
Thu Jan 02/Fri Jan 03 8851.8 6 23 03 17 38 19 01 6 00 7 24 1 23 12 24 ..... 0 40 50 0 54.3 - 0 03
Fri Jan 03/Sat Jan 04 8852.8 6 27 00 17 38 19 02 6 01 7 24 1 28 12 29 ..... 1 34 60 1 38.4 4 38
Sat Jan 04/Sun Jan 05 8853.8 6 30 56 17 39 19 02 6 01 7 24 1 32 12 33 ..... 2 29 69 2 23.9 9 13
Sun Jan 05/Mon Jan 06 8854.8 6 34 53 17 40 19 03 6 01 7 24 1 37 12 37 ..... 3 26 78 3 11.6 13 32
Mon Jan 06/Tue Jan 07 8855.8 6 38 50 17 41 19 04 6 01 7 24 1 42 12 41 ..... 4 25 86 4 02.5 17 21
Tue Jan 07/Wed Jan 08 8856.8 6 42 46 17 41 19 04 6 01 7 24 1 46 12 45 ..... 5 26 92 4 57.0 20 24
Wed Jan 08/Thu Jan 09 8857.8 6 46 43 17 42 19 05 6 01 7 24 1 51 12 49 15 49 6 28 97 5 55.0 22 24
Thu Jan 09/Fri Jan 10 8858.8 6 50 39 17 43 19 06 6 01 7 24 1 56 12 53 16 43 7 28 100 6 55.9 23 04
Fri Jan 10/Sat Jan 11 8859.8 6 54 36 17 44 19 07 6 01 7 24 2 00 12 57 17 44 ..... 100 7 58.1 22 15
Sat Jan 11/Sun Jan 12 8860.8 6 58 32 17 45 19 07 6 01 7 24 2 05 13 01 18 50 ..... 97 8 59.8 19 55
Sun Jan 12/Mon Jan 13 8861.8 7 02 29 17 46 19 08 6 01 7 24 2 10 13 05 19 58 ..... 91 9 59.8 16 16
Mon Jan 13/Tue Jan 14 8862.8 7 06 25 17 47 19 09 6 01 7 24 2 15 13 09 21 07 ..... 84 10 57.2 11 36
Tue Jan 14/Wed Jan 15 8863.8 7 10 22 17 47 19 10 6 01 7 24 2 19 13 13 22 14 ..... 74 11 52.1 6 17
Wed Jan 15/Thu Jan 16 8864.8 7 14 19 17 48 19 10 6 01 7 23 2 24 13 17 23 20 ..... 63 12 45.2 0 41
Thu Jan 16/Fri Jan 17 8865.8 7 18 15 17 49 19 11 6 01 7 23 2 29 13 20 0 25 ..... 52 13 37.4 - 4 52
Fri Jan 17/Sat Jan 18 8866.8 7 22 12 17 50 19 12 6 01 7 23 2 33 13 24 1 29 ..... 41 14 29.4 -10 05
Sat Jan 18/Sun Jan 19 8867.8 7 26 08 17 51 19 13 6 01 7 23 2 38 13 28 2 33 ..... 30 15 22.0 -14 42
Sun Jan 19/Mon Jan 20 8868.8 7 30 05 17 52 19 14 6 01 7 22 2 43 13 32 3 36 ..... 21 16 15.7 -18 30
Mon Jan 20/Tue Jan 21 8869.8 7 34 01 17 53 19 14 6 01 7 22 2 48 13 36 4 38 ..... 13 17 10.5 -21 18
Tue Jan 21/Wed Jan 22 8870.8 7 37 58 17 54 19 15 6 00 7 22 2 52 13 39 5 37 ..... 7 18 06.1 -22 56
Wed Jan 22/Thu Jan 23 8871.8 7 41 54 17 55 19 16 6 00 7 21 2 57 13 43 6 32 16 03 3 19 01.6 -23 21
Thu Jan 23/Fri Jan 24 8872.8 7 45 51 17 56 19 17 6 00 7 21 3 02 13 47 7 21 16 58 0 19 56.1 -22 35
Fri Jan 24/Sat Jan 25 8873.8 7 49 48 17 56 19 18 5 59 7 20 3 07 13 50 8 04 17 55 0 20 48.7 -20 44
Sat Jan 25/Sun Jan 26 8874.8 7 53 44 17 57 19 18 5 59 7 20 3 11 13 54 ..... 18 52 2 21 38.9 -17 58
Sun Jan 26/Mon Jan 27 8875.8 7 57 41 17 58 19 19 5 59 7 19 3 16 13 57 ..... 19 49 5 22 26.8 -14 28
Mon Jan 27/Tue Jan 28 8876.8 8 01 37 17 59 19 20 5 58 7 19 3 21 14 01 ..... 20 44 10 23 12.6 -10 27
Tue Jan 28/Wed Jan 29 8877.8 8 05 34 18 00 19 21 5 58 7 18 3 26 14 04 ..... 21 38 17 23 56.8 - 6 04
Wed Jan 29/Thu Jan 30 8878.8 8 09 30 18 01 19 22 5 57 7 18 3 30 14 08 ..... 22 31 24 0 40.1 - 1 30
Thu Jan 30/Fri Jan 31 8879.8 8 13 27 18 02 19 22 5 57 7 17 3 35 14 11 ..... 23 24 33 1 23.4 3 09
Fri Jan 31/Sat Feb 01 8880.8 8 17 23 18 03 19 23 5 56 7 17 3 40 14 15 ..... 0 18 42 2 07.5 7 42
***** 2020 FEBRUARY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sat Feb 01/Sun Feb 02 8881.8 8 21 20 18 04 19 24 5 56 7 16 3 44 14 18 ..... 1 13 51 2 53.3 12 02
Sun Feb 02/Mon Feb 03 8882.8 8 25 17 18 05 19 25 5 55 7 15 3 49 14 22 ..... 2 10 61 3 41.7 15 58
Mon Feb 03/Tue Feb 04 8883.8 8 29 13 18 06 19 25 5 55 7 15 3 54 14 25 ..... 3 09 71 4 33.3 19 17
Tue Feb 04/Wed Feb 05 8884.8 8 33 10 18 06 19 26 5 54 7 14 3 59 14 28 ..... 4 09 80 5 28.6 21 42
Wed Feb 05/Thu Feb 06 8885.8 8 37 06 18 07 19 27 5 54 7 13 4 03 14 32 ..... 5 10 88 6 27.5 22 58
Thu Feb 06/Fri Feb 07 8886.8 8 41 03 18 08 19 28 5 53 7 12 4 08 14 35 ..... 6 07 94 7 29.0 22 49
Fri Feb 07/Sat Feb 08 8887.8 8 44 59 18 09 19 29 5 52 7 12 4 13 14 38 16 27 7 00 98 8 31.5 21 07
Sat Feb 08/Sun Feb 09 8888.8 8 48 56 18 10 19 29 5 52 7 11 4 18 14 41 17 36 7 49 100 9 33.6 17 56
Sun Feb 09/Mon Feb 10 8889.8 8 52 52 18 11 19 30 5 51 7 10 4 22 14 45 18 47 ..... 98 10 33.8 13 30
Mon Feb 10/Tue Feb 11 8890.8 8 56 49 18 12 19 31 5 50 7 09 4 27 14 48 19 57 ..... 94 11 31.8 8 10
Tue Feb 11/Wed Feb 12 8891.8 9 00 46 18 13 19 32 5 49 7 08 4 32 14 51 21 07 ..... 87 12 27.7 2 22
Wed Feb 12/Thu Feb 13 8892.8 9 04 42 18 14 19 32 5 49 7 07 4 36 14 54 22 14 ..... 78 13 22.1 - 3 28
Thu Feb 13/Fri Feb 14 8893.8 9 08 39 18 14 19 33 5 48 7 06 4 41 14 57 23 21 ..... 67 14 15.9 - 9 00
Fri Feb 14/Sat Feb 15 8894.8 9 12 35 18 15 19 34 5 47 7 05 4 46 15 00 0 26 ..... 56 15 09.7 -13 55
Sat Feb 15/Sun Feb 16 8895.8 9 16 32 18 16 19 35 5 46 7 05 4 51 15 03 1 31 ..... 45 16 04.0 -17 59
Sun Feb 16/Mon Feb 17 8896.8 9 20 28 18 17 19 36 5 45 7 04 4 55 15 07 2 33 ..... 35 16 59.0 -21 01
Mon Feb 17/Tue Feb 18 8897.8 9 24 25 18 18 19 36 5 44 7 03 5 00 15 10 3 32 ..... 25 17 54.4 -22 52
Tue Feb 18/Wed Feb 19 8898.8 9 28 21 18 19 19 37 5 43 7 02 5 05 15 13 4 28 ..... 17 18 49.6 -23 31
Wed Feb 19/Thu Feb 20 8899.8 9 32 18 18 19 19 38 5 42 7 01 5 09 15 16 5 18 ..... 10 19 43.7 -22 59
Thu Feb 20/Fri Feb 21 8900.8 9 36 15 18 20 19 39 5 41 7 00 5 14 15 19 6 02 ..... 5 20 36.2 -21 22
Fri Feb 21/Sat Feb 22 8901.8 9 40 11 18 21 19 39 5 40 6 58 5 19 15 22 6 42 16 44 2 21 26.6 -18 48
Sat Feb 22/Sun Feb 23 8902.8 9 44 08 18 22 19 40 5 39 6 57 5 23 15 24 7 17 17 41 0 22 14.6 -15 28
Sun Feb 23/Mon Feb 24 8903.8 9 48 04 18 23 19 41 5 38 6 56 5 28 15 27 ..... 18 36 1 23 00.6 -11 33
Mon Feb 24/Tue Feb 25 8904.8 9 52 01 18 23 19 41 5 37 6 55 5 33 15 30 ..... 19 31 3 23 45.0 - 7 14
Tue Feb 25/Wed Feb 26 8905.8 9 55 57 18 24 19 42 5 36 6 54 5 37 15 33 ..... 20 24 6 0 28.3 - 2 41
Wed Feb 26/Thu Feb 27 8906.8 9 59 54 18 25 19 43 5 35 6 53 5 42 15 36 ..... 21 17 11 1 11.3 1 57
Thu Feb 27/Fri Feb 28 8907.8 10 03 50 18 26 19 44 5 34 6 52 5 47 15 39 ..... 22 10 18 1 54.7 6 32
Fri Feb 28/Sat Feb 29 8908.8 10 07 47 18 27 19 44 5 33 6 51 5 52 15 42 ..... 23 04 26 2 39.2 10 54
Sat Feb 29/Sun Mar 01 8909.8 10 11 44 18 27 19 45 5 32 6 50 5 56 15 45 ..... 24 00 34 3 25.8 14 54
***** 2020 MARCH *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Mar 01/Mon Mar 02 8910.8 10 15 40 18 28 19 46 5 31 6 48 6 01 15 47 ..... 0 57 44 4 14.9 18 21
Mon Mar 02/Tue Mar 03 8911.8 10 19 37 18 29 19 47 5 30 6 47 6 06 15 50 ..... 1 55 54 5 07.3 21 02
Tue Mar 03/Wed Mar 04 8912.8 10 23 33 18 30 19 47 5 28 6 46 6 10 15 53 ..... 2 54 64 6 03.0 22 43
Wed Mar 04/Thu Mar 05 8913.8 10 27 30 18 30 19 48 5 27 6 45 6 15 15 56 ..... 3 51 74 7 01.6 23 08
Thu Mar 05/Fri Mar 06 8914.8 10 31 26 18 31 19 49 5 26 6 44 6 20 15 58 ..... 4 46 83 8 02.2 22 08
Fri Mar 06/Sat Mar 07 8915.8 10 35 23 18 32 19 50 5 25 6 42 6 24 16 01 ..... 5 35 91 9 03.6 19 38
Sat Mar 07/Sun Mar 08 8916.8 10 39 19 18 33 19 50 5 24 6 41 6 29 16 04 ..... 6 21 97 10 04.5 15 44
Sun Mar 08/Mon Mar 09 8917.8 10 43 16 18 33 19 51 5 22 6 40 6 34 16 07 17 31 7 02 100 11 04.0 10 41
Mon Mar 09/Tue Mar 10 8918.8 10 47 13 18 34 19 52 5 21 6 39 6 38 16 09 18 43 ..... 99 12 01.9 4 52
Tue Mar 10/Wed Mar 11 8919.8 10 51 09 18 35 19 53 5 20 6 37 6 43 16 12 19 54 ..... 96 12 58.7 - 1 15
Wed Mar 11/Thu Mar 12 8920.8 10 55 06 18 36 19 53 5 19 6 36 6 48 16 15 21 03 ..... 90 13 54.8 - 7 14
Thu Mar 12/Fri Mar 13 8921.8 10 59 02 18 36 19 54 5 17 6 35 6 52 16 17 22 12 ..... 81 14 50.9 -12 40
Fri Mar 13/Sat Mar 14 8922.8 11 02 59 18 37 19 55 5 16 6 34 6 57 16 20 23 19 ..... 72 15 47.4 -17 14
Sat Mar 14/Sun Mar 15 8923.8 11 06 55 18 38 19 56 5 15 6 32 7 02 16 22 0 25 ..... 61 16 44.2 -20 41
Sun Mar 15/Mon Mar 16 8924.8 11 10 52 18 38 19 56 5 13 6 31 7 06 16 25 1 27 ..... 50 17 41.2 -22 54
Mon Mar 16/Tue Mar 17 8925.8 11 14 48 18 39 19 57 5 12 6 30 7 11 16 28 2 24 ..... 40 18 37.6 -23 50
Tue Mar 17/Wed Mar 18 8926.8 11 18 45 18 40 19 58 5 11 6 29 7 16 16 30 3 16 ..... 30 19 32.6 -23 31
Wed Mar 18/Thu Mar 19 8927.8 11 22 42 18 40 19 59 5 09 6 27 7 21 16 33 4 02 ..... 22 20 25.7 -22 04
Thu Mar 19/Fri Mar 20 8928.8 11 26 38 18 41 19 59 5 08 6 26 7 25 16 35 4 43 ..... 14 21 16.3 -19 39
Fri Mar 20/Sat Mar 21 8929.8 11 30 35 18 42 20 00 5 07 6 25 7 30 16 38 5 19 ..... 9 22 04.6 -16 26
Sat Mar 21/Sun Mar 22 8930.8 11 34 31 18 43 20 01 5 05 6 24 7 35 16 41 5 51 ..... 4 22 50.7 -12 37
Sun Mar 22/Mon Mar 23 8931.8 11 38 28 18 43 20 02 5 04 6 22 7 39 16 43 6 21 17 25 1 23 35.1 - 8 21
Mon Mar 23/Tue Mar 24 8932.8 11 42 24 18 44 20 02 5 03 6 21 7 44 16 46 6 50 18 19 0 0 18.4 - 3 48
Tue Mar 24/Wed Mar 25 8933.8 11 46 21 18 45 20 03 5 01 6 20 7 49 16 48 ..... 19 12 1 1 01.3 0 51
Wed Mar 25/Thu Mar 26 8934.8 11 50 17 18 45 20 04 5 00 6 18 7 54 16 51 ..... 20 05 3 1 44.4 5 30
Thu Mar 26/Fri Mar 27 8935.8 11 54 14 18 46 20 05 4 58 6 17 7 58 16 53 ..... 20 59 7 2 28.4 9 57
Fri Mar 27/Sat Mar 28 8936.8 11 58 11 18 47 20 06 4 57 6 16 8 03 16 56 ..... 21 54 13 3 14.0 14 04
Sat Mar 28/Sun Mar 29 8937.8 12 02 07 18 47 20 06 4 56 6 15 8 08 16 58 ..... 22 51 20 4 01.9 17 39
Sun Mar 29/Mon Mar 30 8938.8 12 06 04 18 48 20 07 4 54 6 13 8 13 17 01 ..... 23 48 28 4 52.4 20 31
Mon Mar 30/Tue Mar 31 8939.8 12 10 00 18 49 20 08 4 53 6 12 8 17 17 04 ..... 0 45 38 5 45.8 22 28
Tue Mar 31/Wed Apr 01 8940.8 12 13 57 18 49 20 09 4 51 6 11 8 22 17 06 ..... 1 42 48 6 41.7 23 17
***** 2020 APRIL *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Apr 01/Thu Apr 02 8941.8 12 17 53 18 50 20 10 4 50 6 09 8 27 17 09 ..... 2 36 59 7 39.7 22 48
Thu Apr 02/Fri Apr 03 8942.8 12 21 50 18 51 20 10 4 48 6 08 8 32 17 11 ..... 3 25 69 8 38.6 20 55
Fri Apr 03/Sat Apr 04 8943.8 12 25 46 18 51 20 11 4 47 6 07 8 36 17 14 ..... 4 11 79 9 37.7 17 39
Sat Apr 04/Sun Apr 05 8944.8 12 29 43 18 52 20 12 4 46 6 06 8 41 17 16 ..... 4 53 88 10 36.1 13 09
Sun Apr 05/Mon Apr 06 8945.8 12 33 40 18 53 20 13 4 44 6 04 8 46 17 19 ..... 5 33 95 11 33.7 7 41
Mon Apr 06/Tue Apr 07 8946.8 12 37 36 18 53 20 14 4 43 6 03 8 51 17 21 17 27 6 10 99 12 30.6 1 37
Tue Apr 07/Wed Apr 08 8947.8 12 41 33 18 54 20 15 4 41 6 02 8 56 17 24 18 38 6 48 100 13 27.5 - 4 37
Wed Apr 08/Thu Apr 09 8948.8 12 45 29 18 55 20 16 4 40 6 01 9 00 17 26 19 48 ..... 98 14 24.8 -10 33
Thu Apr 09/Fri Apr 10 8949.8 12 49 26 18 55 20 16 4 39 6 00 9 05 17 29 20 59 ..... 93 15 22.9 -15 45
Fri Apr 10/Sat Apr 11 8950.8 12 53 22 18 56 20 17 4 37 5 58 9 10 17 31 22 08 ..... 85 16 21.9 -19 53
Sat Apr 11/Sun Apr 12 8951.8 12 57 19 18 57 20 18 4 36 5 57 9 15 17 34 23 14 ..... 76 17 21.4 -22 42
Sun Apr 12/Mon Apr 13 8952.8 13 01 15 18 58 20 19 4 34 5 56 9 20 17 36 0 16 ..... 66 18 20.4 -24 06
Mon Apr 13/Tue Apr 14 8953.8 13 05 12 18 58 20 20 4 33 5 55 9 25 17 39 1 12 ..... 56 19 17.8 -24 08
Tue Apr 14/Wed Apr 15 8954.8 13 09 09 18 59 20 21 4 32 5 54 9 29 17 42 2 01 ..... 46 20 12.9 -22 55
Wed Apr 15/Thu Apr 16 8955.8 13 13 05 19 00 20 22 4 30 5 52 9 34 17 44 2 44 ..... 36 21 05.0 -20 39
Thu Apr 16/Fri Apr 17 8956.8 13 17 02 19 00 20 23 4 29 5 51 9 39 17 47 3 21 ..... 27 21 54.3 -17 33
Fri Apr 17/Sat Apr 18 8957.8 13 20 58 19 01 20 24 4 27 5 50 9 44 17 49 3 54 ..... 19 22 41.0 -13 48
Sat Apr 18/Sun Apr 19 8958.8 13 24 55 19 02 20 25 4 26 5 49 9 49 17 52 4 25 ..... 13 23 25.7 - 9 34
Sun Apr 19/Mon Apr 20 8959.8 13 28 51 19 02 20 25 4 25 5 48 9 54 17 54 4 53 ..... 7 0 09.1 - 5 03
Mon Apr 20/Tue Apr 21 8960.8 13 32 48 19 03 20 26 4 23 5 47 9 59 17 57 5 21 ..... 3 0 51.9 - 0 21
Tue Apr 21/Wed Apr 22 8961.8 13 36 44 19 04 20 27 4 22 5 46 10 04 18 00 5 50 18 00 1 1 34.8 4 21
Wed Apr 22/Thu Apr 23 8962.8 13 40 41 19 05 20 28 4 21 5 45 10 08 18 02 6 19 18 54 0 2 18.6 8 55
Thu Apr 23/Fri Apr 24 8963.8 13 44 38 19 05 20 29 4 19 5 44 10 13 18 05 ..... 19 49 1 3 03.9 13 10
Fri Apr 24/Sat Apr 25 8964.8 13 48 34 19 06 20 30 4 18 5 42 10 18 18 07 ..... 20 46 4 3 51.3 16 56
Sat Apr 25/Sun Apr 26 8965.8 13 52 31 19 07 20 31 4 17 5 41 10 23 18 10 ..... 21 43 9 4 41.1 20 00
Sun Apr 26/Mon Apr 27 8966.8 13 56 27 19 07 20 32 4 16 5 40 10 28 18 13 ..... 22 41 16 5 33.5 22 11
Mon Apr 27/Tue Apr 28 8967.8 14 00 24 19 08 20 33 4 14 5 39 10 33 18 15 ..... 23 37 24 6 28.1 23 17
Tue Apr 28/Wed Apr 29 8968.8 14 04 20 19 09 20 34 4 13 5 38 10 38 18 18 ..... 0 31 33 7 24.5 23 09
Wed Apr 29/Thu Apr 30 8969.8 14 08 17 19 10 20 35 4 12 5 37 10 43 18 21 ..... 1 21 43 8 21.6 21 42
Thu Apr 30/Fri May 01 8970.8 14 12 13 19 10 20 36 4 11 5 36 10 48 18 23 ..... 2 07 54 9 18.7 18 56
***** 2020 MAY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Fri May 01/Sat May 02 8971.8 14 16 10 19 11 20 37 4 09 5 36 10 53 18 26 ..... 2 49 65 10 15.1 14 58
Sat May 02/Sun May 03 8972.8 14 20 07 19 12 20 38 4 08 5 35 10 58 18 29 ..... 3 27 76 11 10.8 9 59
Sun May 03/Mon May 04 8973.8 14 24 03 19 12 20 39 4 07 5 34 11 03 18 32 ..... 4 04 85 12 05.9 4 16
Mon May 04/Tue May 05 8974.8 14 28 00 19 13 20 40 4 06 5 33 11 08 18 34 ..... 4 41 93 13 01.2 - 1 50
Tue May 05/Wed May 06 8975.8 14 31 56 19 14 20 41 4 05 5 32 11 13 18 37 17 23 5 18 98 13 57.3 - 7 56
Wed May 06/Thu May 07 8976.8 14 35 53 19 15 20 42 4 04 5 31 11 17 18 40 18 34 5 59 100 14 54.8 -13 35
Thu May 07/Fri May 08 8977.8 14 39 49 19 15 20 43 4 02 5 30 11 22 18 43 19 44 ..... 99 15 54.1 -18 22
Fri May 08/Sat May 09 8978.8 14 43 46 19 16 20 44 4 01 5 30 11 27 18 46 20 54 ..... 95 16 54.8 -21 55
Sat May 09/Sun May 10 8979.8 14 47 42 19 17 20 45 4 00 5 29 11 32 18 49 22 00 ..... 89 17 56.0 -24 01
Sun May 10/Mon May 11 8980.8 14 51 39 19 17 20 46 3 59 5 28 11 37 18 52 23 01 ..... 81 18 56.3 -24 38
Mon May 11/Tue May 12 8981.8 14 55 36 19 18 20 47 3 58 5 27 11 42 18 54 23 54 ..... 72 19 54.4 -23 49
Tue May 12/Wed May 13 8982.8 14 59 32 19 19 20 48 3 57 5 27 11 47 18 57 0 41 ..... 62 20 49.3 -21 49
Wed May 13/Thu May 14 8983.8 15 03 29 19 20 20 49 3 56 5 26 11 52 19 00 1 21 ..... 52 21 40.8 -18 51
Thu May 14/Fri May 15 8984.8 15 07 25 19 20 20 50 3 55 5 25 11 57 19 03 1 56 ..... 43 22 29.0 -15 11
Fri May 15/Sat May 16 8985.8 15 11 22 19 21 20 51 3 54 5 25 12 02 19 06 2 27 ..... 33 23 14.7 -10 59
Sat May 16/Sun May 17 8986.8 15 15 18 19 22 20 52 3 53 5 24 12 07 19 09 2 57 ..... 25 23 58.7 - 6 28
Sun May 17/Mon May 18 8987.8 15 19 15 19 22 20 53 3 53 5 23 12 12 19 12 3 25 ..... 17 0 41.6 - 1 46
Mon May 18/Tue May 19 8988.8 15 23 11 19 23 20 54 3 52 5 23 12 17 19 15 3 52 ..... 11 1 24.5 3 00
Tue May 19/Wed May 20 8989.8 15 27 08 19 24 20 55 3 51 5 22 12 22 19 19 4 21 ..... 6 2 08.0 7 39
Wed May 20/Thu May 21 8990.8 15 31 05 19 24 20 56 3 50 5 22 12 26 19 22 4 52 17 43 2 2 53.0 12 02
Thu May 21/Fri May 22 8991.8 15 35 01 19 25 20 57 3 49 5 21 12 31 19 25 5 27 18 39 0 3 40.0 15 59
Fri May 22/Sat May 23 8992.8 15 38 58 19 26 20 58 3 48 5 21 12 36 19 28 6 06 19 37 0 4 29.5 19 18
Sat May 23/Sun May 24 8993.8 15 42 54 19 26 20 59 3 48 5 20 12 41 19 31 ..... 20 35 2 5 21.7 21 44
Sun May 24/Mon May 25 8994.8 15 46 51 19 27 21 00 3 47 5 20 12 46 19 35 ..... 21 33 6 6 16.2 23 08
Mon May 25/Tue May 26 8995.8 15 50 47 19 28 21 00 3 46 5 19 12 51 19 38 ..... 22 29 12 7 12.3 23 17
Tue May 26/Wed May 27 8996.8 15 54 44 19 28 21 01 3 46 5 19 12 56 19 41 ..... 23 20 20 8 09.1 22 09
Wed May 27/Thu May 28 8997.8 15 58 40 19 29 21 02 3 45 5 19 13 00 19 44 ..... 0 07 29 9 05.6 19 42
Thu May 28/Fri May 29 8998.8 16 02 37 19 29 21 03 3 45 5 18 13 05 19 48 ..... 0 49 40 10 01.0 16 06
Fri May 29/Sat May 30 8999.8 16 06 34 19 30 21 04 3 44 5 18 13 10 19 51 ..... 1 27 51 10 55.2 11 30
Sat May 30/Sun May 31 9000.8 16 10 30 19 31 21 05 3 44 5 18 13 15 19 55 ..... 2 03 63 11 48.6 6 08
Sun May 31/Mon Jun 01 9001.8 16 14 27 19 31 21 05 3 43 5 17 13 19 19 58 ..... 2 38 74 12 41.7 0 19
***** 2020 JUNE *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Mon Jun 01/Tue Jun 02 9002.8 16 18 23 19 32 21 06 3 43 5 17 13 24 20 02 ..... 3 14 83 13 35.4 - 5 38
Tue Jun 02/Wed Jun 03 9003.8 16 22 20 19 32 21 07 3 42 5 17 13 29 20 05 ..... 3 51 91 14 30.5 -11 23
Wed Jun 03/Thu Jun 04 9004.8 16 26 16 19 33 21 08 3 42 5 17 13 33 20 09 ..... 4 32 97 15 27.8 -16 30
Thu Jun 04/Fri Jun 05 9005.8 16 30 13 19 33 21 08 3 42 5 17 13 38 20 12 18 31 5 18 100 16 27.3 -20 37
Fri Jun 05/Sat Jun 06 9006.8 16 34 09 19 34 21 09 3 41 5 16 13 43 20 16 19 39 6 09 100 17 28.6 -23 26
Sat Jun 06/Sun Jun 07 9007.8 16 38 06 19 34 21 10 3 41 5 16 13 47 20 20 20 44 ..... 97 18 30.2 -24 44
Sun Jun 07/Mon Jun 08 9008.8 16 42 03 19 35 21 10 3 41 5 16 13 52 20 23 21 42 ..... 92 19 30.6 -24 31
Mon Jun 08/Tue Jun 09 9009.8 16 45 59 19 35 21 11 3 41 5 16 13 56 20 27 22 33 ..... 85 20 28.4 -22 56
Tue Jun 09/Wed Jun 10 9010.8 16 49 56 19 36 21 11 3 40 5 16 14 01 20 31 23 17 ..... 77 21 22.6 -20 14
Wed Jun 10/Thu Jun 11 9011.8 16 53 52 19 36 21 12 3 40 5 16 14 05 20 35 23 55 ..... 68 22 13.2 -16 42
Thu Jun 11/Fri Jun 12 9012.8 16 57 49 19 37 21 13 3 40 5 16 14 10 20 39 0 28 ..... 59 23 00.7 -12 34
Fri Jun 12/Sat Jun 13 9013.8 17 01 45 19 37 21 13 3 40 5 16 14 14 20 42 0 58 ..... 49 23 45.8 - 8 03
Sat Jun 13/Sun Jun 14 9014.8 17 05 42 19 37 21 13 3 40 5 16 14 19 20 46 1 27 ..... 40 0 29.3 - 3 19
Sun Jun 14/Mon Jun 15 9015.8 17 09 38 19 38 21 14 3 40 5 16 14 23 20 50 1 54 ..... 31 1 12.4 1 28
Mon Jun 15/Tue Jun 16 9016.8 17 13 35 19 38 21 14 3 40 5 16 14 27 20 54 2 23 ..... 23 1 55.7 6 12
Tue Jun 16/Wed Jun 17 9017.8 17 17 32 19 38 21 15 3 40 5 17 14 32 20 58 2 53 ..... 15 2 40.2 10 42
Wed Jun 17/Thu Jun 18 9018.8 17 21 28 19 39 21 15 3 40 5 17 14 36 21 02 3 26 ..... 9 3 26.6 14 49
Thu Jun 18/Fri Jun 19 9019.8 17 25 25 19 39 21 15 3 41 5 17 14 40 21 07 4 03 ..... 4 4 15.6 18 21
Fri Jun 19/Sat Jun 20 9020.8 17 29 21 19 39 21 16 3 41 5 17 14 44 21 11 4 45 18 26 1 5 07.4 21 05
Sat Jun 20/Sun Jun 21 9021.8 17 33 18 19 39 21 16 3 41 5 17 14 49 21 15 5 34 19 25 0 6 01.9 22 48
Sun Jun 21/Mon Jun 22 9022.8 17 37 14 19 40 21 16 3 41 5 18 14 53 21 19 6 29 20 22 1 6 58.4 23 18
Mon Jun 22/Tue Jun 23 9023.8 17 41 11 19 40 21 16 3 41 5 18 14 57 21 23 ..... 21 16 4 7 55.8 22 28
Tue Jun 23/Wed Jun 24 9024.8 17 45 07 19 40 21 16 3 42 5 18 15 01 21 28 ..... 22 05 10 8 53.0 20 19
Wed Jun 24/Thu Jun 25 9025.8 17 49 04 19 40 21 16 3 42 5 18 15 05 21 32 ..... 22 49 18 9 49.0 16 56
Thu Jun 25/Fri Jun 26 9026.8 17 53 01 19 40 21 16 3 43 5 19 15 09 21 36 ..... 23 29 27 10 43.3 12 32
Fri Jun 26/Sat Jun 27 9027.8 17 56 57 19 40 21 16 3 43 5 19 15 13 21 40 ..... 0 05 38 11 36.2 7 24
Sat Jun 27/Sun Jun 28 9028.8 18 00 54 19 40 21 16 3 43 5 19 15 17 21 45 ..... 0 40 49 12 28.3 1 46
Sun Jun 28/Mon Jun 29 9029.8 18 04 50 19 40 21 16 3 44 5 20 15 21 21 49 ..... 1 14 60 13 20.3 - 4 02
Mon Jun 29/Tue Jun 30 9030.8 18 08 47 19 40 21 16 3 44 5 20 15 25 21 54 ..... 1 50 71 14 13.3 - 9 42
Tue Jun 30/Wed Jul 01 9031.8 18 12 43 19 40 21 16 3 45 5 21 15 28 21 58 ..... 2 28 81 15 08.1 -14 54
***** 2020 JULY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Jul 01/Thu Jul 02 9032.8 18 16 40 19 40 21 16 3 45 5 21 15 32 22 03 ..... 3 11 89 16 05.2 -19 17
Thu Jul 02/Fri Jul 03 9033.8 18 20 36 19 40 21 16 3 46 5 21 15 36 22 07 ..... 3 58 95 17 04.5 -22 33
Fri Jul 03/Sat Jul 04 9034.8 18 24 33 19 40 21 15 3 47 5 22 15 40 22 12 18 27 4 52 99 18 05.2 -24 26
Sat Jul 04/Sun Jul 05 9035.8 18 28 30 19 40 21 15 3 47 5 22 15 43 22 16 19 28 5 49 100 19 06.0 -24 50
Sun Jul 05/Mon Jul 06 9036.8 18 32 26 19 40 21 15 3 48 5 23 15 47 22 21 20 22 ..... 98 20 05.2 -23 47
Mon Jul 06/Tue Jul 07 9037.8 18 36 23 19 40 21 15 3 49 5 23 15 50 22 26 21 10 ..... 95 21 01.4 -21 28
Tue Jul 07/Wed Jul 08 9038.8 18 40 19 19 39 21 14 3 49 5 24 15 54 22 30 21 50 ..... 89 21 54.2 -18 10
Wed Jul 08/Thu Jul 09 9039.8 18 44 16 19 39 21 14 3 50 5 24 15 58 22 35 22 26 ..... 82 22 43.7 -14 09
Thu Jul 09/Fri Jul 10 9040.8 18 48 12 19 39 21 13 3 51 5 25 16 01 22 40 22 58 ..... 74 23 30.3 - 9 40
Fri Jul 10/Sat Jul 11 9041.8 18 52 09 19 39 21 13 3 51 5 26 16 05 22 44 23 27 ..... 65 0 14.9 - 4 55
Sat Jul 11/Sun Jul 12 9042.8 18 56 05 19 38 21 12 3 52 5 26 16 08 22 49 23 55 ..... 56 0 58.4 - 0 05
Sun Jul 12/Mon Jul 13 9043.8 19 00 02 19 38 21 12 3 53 5 27 16 11 22 54 0 23 ..... 47 1 41.8 4 43
Mon Jul 13/Tue Jul 14 9044.8 19 03 59 19 38 21 11 3 54 5 27 16 15 22 58 0 52 ..... 37 2 25.8 9 18
Tue Jul 14/Wed Jul 15 9045.8 19 07 55 19 37 21 11 3 55 5 28 16 18 23 03 1 23 ..... 28 3 11.5 13 33
Wed Jul 15/Thu Jul 16 9046.8 19 11 52 19 37 21 10 3 55 5 28 16 21 23 08 1 58 ..... 20 3 59.5 17 17
Thu Jul 16/Fri Jul 17 9047.8 19 15 48 19 37 21 09 3 56 5 29 16 25 23 13 2 38 ..... 13 4 50.3 20 18
Fri Jul 17/Sat Jul 18 9048.8 19 19 45 19 36 21 09 3 57 5 30 16 28 23 18 3 25 ..... 7 5 44.1 22 22
Sat Jul 18/Sun Jul 19 9049.8 19 23 41 19 36 21 08 3 58 5 30 16 31 23 22 4 18 18 10 2 6 40.4 23 16
Sun Jul 19/Mon Jul 20 9050.8 19 27 38 19 35 21 07 3 59 5 31 16 34 23 27 5 18 19 07 0 7 38.3 22 50
Mon Jul 20/Tue Jul 21 9051.8 19 31 34 19 35 21 06 4 00 5 31 16 37 23 32 6 22 19 59 0 8 36.6 21 01
Tue Jul 21/Wed Jul 22 9052.8 19 35 31 19 34 21 05 4 01 5 32 16 40 23 37 ..... 20 46 3 9 34.0 17 54
Wed Jul 22/Thu Jul 23 9053.8 19 39 28 19 33 21 05 4 02 5 33 16 44 23 42 ..... 21 28 8 10 29.7 13 40
Thu Jul 23/Fri Jul 24 9054.8 19 43 24 19 33 21 04 4 03 5 33 16 47 23 47 ..... 22 06 16 11 23.7 8 35
Fri Jul 24/Sat Jul 25 9055.8 19 47 21 19 32 21 03 4 03 5 34 16 50 23 51 ..... 22 42 25 12 16.4 2 59
Sat Jul 25/Sun Jul 26 9056.8 19 51 17 19 32 21 02 4 04 5 35 16 53 23 56 ..... 23 16 35 13 08.4 - 2 48
Sun Jul 26/Mon Jul 27 9057.8 19 55 14 19 31 21 01 4 05 5 35 16 56 0 01 ..... 23 51 47 14 00.7 - 8 29
Mon Jul 27/Tue Jul 28 9058.8 19 59 10 19 30 21 00 4 06 5 36 16 59 0 06 ..... 0 28 58 14 54.2 -13 44
Tue Jul 28/Wed Jul 29 9059.8 20 03 07 19 29 20 59 4 07 5 37 17 02 0 11 ..... 1 08 69 15 49.4 -18 15
Wed Jul 29/Thu Jul 30 9060.8 20 07 03 19 29 20 58 4 08 5 37 17 04 0 16 ..... 1 53 79 16 46.7 -21 46
Thu Jul 30/Fri Jul 31 9061.8 20 11 00 19 28 20 57 4 09 5 38 17 07 0 21 ..... 2 43 87 17 45.7 -24 01
Fri Jul 31/Sat Aug 01 9062.8 20 14 57 19 27 20 56 4 10 5 39 17 10 0 26 ..... 3 39 94 18 45.4 -24 52
***** 2020 AUGUST *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sat Aug 01/Sun Aug 02 9063.8 20 18 53 19 26 20 55 4 11 5 39 17 13 0 31 18 14 4 37 98 19 44.3 -24 17
Sun Aug 02/Mon Aug 03 9064.8 20 22 50 19 26 20 54 4 12 5 40 17 16 0 36 19 03 5 38 100 20 41.1 -22 24
Mon Aug 03/Tue Aug 04 9065.8 20 26 46 19 25 20 52 4 13 5 41 17 19 0 40 19 46 6 38 99 21 35.0 -19 24
Tue Aug 04/Wed Aug 05 9066.8 20 30 43 19 24 20 51 4 14 5 41 17 22 0 45 20 24 ..... 97 22 25.8 -15 35
Wed Aug 05/Thu Aug 06 9067.8 20 34 39 19 23 20 50 4 15 5 42 17 24 0 50 20 57 ..... 93 23 13.7 -11 11
Thu Aug 06/Fri Aug 07 9068.8 20 38 36 19 22 20 49 4 16 5 43 17 27 0 55 21 27 ..... 87 23 59.4 - 6 27
Fri Aug 07/Sat Aug 08 9069.8 20 42 32 19 21 20 48 4 17 5 43 17 30 1 00 21 56 ..... 80 0 43.6 - 1 33
Sat Aug 08/Sun Aug 09 9070.8 20 46 29 19 20 20 47 4 18 5 44 17 32 1 05 22 23 ..... 72 1 27.2 3 19
Sun Aug 09/Mon Aug 10 9071.8 20 50 26 19 19 20 45 4 19 5 45 17 35 1 10 22 52 ..... 63 2 11.0 8 01
Mon Aug 10/Tue Aug 11 9072.8 20 54 22 19 18 20 44 4 20 5 45 17 38 1 15 23 22 ..... 53 2 56.0 12 24
Tue Aug 11/Wed Aug 12 9073.8 20 58 19 19 17 20 43 4 20 5 46 17 41 1 20 23 55 ..... 44 3 42.9 16 18
Wed Aug 12/Thu Aug 13 9074.8 21 02 15 19 16 20 42 4 21 5 47 17 43 1 24 0 32 ..... 34 4 32.4 19 33
Thu Aug 13/Fri Aug 14 9075.8 21 06 12 19 15 20 40 4 22 5 47 17 46 1 29 1 15 ..... 25 5 24.7 21 56
Fri Aug 14/Sat Aug 15 9076.8 21 10 08 19 14 20 39 4 23 5 48 17 48 1 34 2 04 ..... 17 6 19.9 23 15
Sat Aug 15/Sun Aug 16 9077.8 21 14 05 19 13 20 38 4 24 5 49 17 51 1 39 3 01 ..... 10 7 17.2 23 17
Sun Aug 16/Mon Aug 17 9078.8 21 18 01 19 12 20 36 4 25 5 49 17 54 1 44 4 04 17 47 4 8 15.6 21 55
Mon Aug 17/Tue Aug 18 9079.8 21 21 58 19 11 20 35 4 26 5 50 17 56 1 49 5 11 18 37 1 9 13.9 19 11
Tue Aug 18/Wed Aug 19 9080.8 21 25 55 19 10 20 34 4 27 5 51 17 59 1 54 6 19 19 22 0 10 11.1 15 13
Wed Aug 19/Thu Aug 20 9081.8 21 29 51 19 09 20 32 4 28 5 51 18 01 1 58 ..... 20 02 2 11 06.7 10 14
Thu Aug 20/Fri Aug 21 9082.8 21 33 48 19 08 20 31 4 29 5 52 18 04 2 03 ..... 20 40 7 12 00.9 4 37
Fri Aug 21/Sat Aug 22 9083.8 21 37 44 19 06 20 29 4 30 5 53 18 07 2 08 ..... 21 16 14 12 54.2 - 1 19
Sat Aug 22/Sun Aug 23 9084.8 21 41 41 19 05 20 28 4 30 5 53 18 09 2 13 ..... 21 51 23 13 47.4 - 7 11
Sun Aug 23/Mon Aug 24 9085.8 21 45 37 19 04 20 27 4 31 5 54 18 12 2 18 ..... 22 28 33 14 41.2 -12 39
Mon Aug 24/Tue Aug 25 9086.8 21 49 34 19 03 20 25 4 32 5 54 18 14 2 22 ..... 23 08 44 15 36.3 -17 24
Tue Aug 25/Wed Aug 26 9087.8 21 53 30 19 02 20 24 4 33 5 55 18 17 2 27 ..... 23 51 55 16 32.9 -21 08
Wed Aug 26/Thu Aug 27 9088.8 21 57 27 19 01 20 22 4 34 5 56 18 19 2 32 ..... 0 40 66 17 31.0 -23 40
Thu Aug 27/Fri Aug 28 9089.8 22 01 24 18 59 20 21 4 35 5 56 18 22 2 37 ..... 1 33 76 18 29.7 -24 50
Fri Aug 28/Sat Aug 29 9090.8 22 05 20 18 58 20 20 4 35 5 57 18 24 2 42 ..... 2 30 84 19 27.9 -24 36
Sat Aug 29/Sun Aug 30 9091.8 22 09 17 18 57 20 18 4 36 5 58 18 27 2 46 ..... 3 29 91 20 24.4 -23 03
Sun Aug 30/Mon Aug 31 9092.8 22 13 13 18 56 20 17 4 37 5 58 18 29 2 51 17 44 4 28 96 21 18.4 -20 23
Mon Aug 31/Tue Sep 01 9093.8 22 17 10 18 54 20 15 4 38 5 59 18 32 2 56 18 23 5 27 99 22 09.6 -16 47
***** 2020 SEPTEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Sep 01/Wed Sep 02 9094.8 22 21 06 18 53 20 14 4 39 5 59 18 34 3 01 18 57 6 24 100 22 58.1 -12 32
Wed Sep 02/Thu Sep 03 9095.8 22 25 03 18 52 20 12 4 40 6 00 18 37 3 05 19 28 ..... 99 23 44.3 - 7 50
Thu Sep 03/Fri Sep 04 9096.8 22 28 59 18 51 20 11 4 40 6 01 18 39 3 10 19 57 ..... 96 0 29.0 - 2 55
Fri Sep 04/Sat Sep 05 9097.8 22 32 56 18 49 20 09 4 41 6 01 18 42 3 15 20 25 ..... 91 1 12.9 2 02
Sat Sep 05/Sun Sep 06 9098.8 22 36 53 18 48 20 08 4 42 6 02 18 44 3 20 20 53 ..... 85 1 56.7 6 51
Sun Sep 06/Mon Sep 07 9099.8 22 40 49 18 47 20 07 4 43 6 03 18 47 3 24 21 22 ..... 78 2 41.4 11 23
Mon Sep 07/Tue Sep 08 9100.8 22 44 46 18 45 20 05 4 43 6 03 18 49 3 29 21 53 ..... 69 3 27.6 15 28
Tue Sep 08/Wed Sep 09 9101.8 22 48 42 18 44 20 04 4 44 6 04 18 52 3 34 22 28 ..... 60 4 15.9 18 56
Wed Sep 09/Thu Sep 10 9102.8 22 52 39 18 43 20 02 4 45 6 04 18 54 3 38 23 07 ..... 50 5 06.7 21 36
Thu Sep 10/Fri Sep 11 9103.8 22 56 35 18 41 20 01 4 46 6 05 18 57 3 43 23 53 ..... 40 6 00.2 23 16
Fri Sep 11/Sat Sep 12 9104.8 23 00 32 18 40 19 59 4 46 6 06 18 59 3 48 0 45 ..... 31 6 56.0 23 45
Sat Sep 12/Sun Sep 13 9105.8 23 04 28 18 39 19 58 4 47 6 06 19 02 3 52 1 44 ..... 21 7 53.3 22 54
Sun Sep 13/Mon Sep 14 9106.8 23 08 25 18 38 19 56 4 48 6 07 19 04 3 57 2 49 ..... 13 8 51.1 20 41
Mon Sep 14/Tue Sep 15 9107.8 23 12 22 18 36 19 55 4 49 6 07 19 07 4 02 3 56 17 12 7 9 48.5 17 08
Tue Sep 15/Wed Sep 16 9108.8 23 16 18 18 35 19 54 4 49 6 08 19 09 4 06 5 06 17 54 2 10 44.8 12 28
Wed Sep 16/Thu Sep 17 9109.8 23 20 15 18 34 19 52 4 50 6 09 19 12 4 11 6 16 18 33 0 11 40.1 6 56
Thu Sep 17/Fri Sep 18 9110.8 23 24 11 18 32 19 51 4 51 6 09 19 14 4 16 ..... 19 10 1 12 34.6 0 54
Fri Sep 18/Sat Sep 19 9111.8 23 28 08 18 31 19 49 4 51 6 10 19 17 4 20 ..... 19 47 5 13 29.0 - 5 14
Sat Sep 19/Sun Sep 20 9112.8 23 32 04 18 30 19 48 4 52 6 10 19 19 4 25 ..... 20 24 12 14 24.0 -11 04
Sun Sep 20/Mon Sep 21 9113.8 23 36 01 18 28 19 46 4 53 6 11 19 22 4 30 ..... 21 04 20 15 20.1 -16 13
Mon Sep 21/Tue Sep 22 9114.8 23 39 57 18 27 19 45 4 54 6 12 19 24 4 34 ..... 21 47 30 16 17.6 -20 22
Tue Sep 22/Wed Sep 23 9115.8 23 43 54 18 26 19 44 4 54 6 12 19 27 4 39 ..... 22 35 41 17 16.3 -23 16
Wed Sep 23/Thu Sep 24 9116.8 23 47 51 18 24 19 42 4 55 6 13 19 29 4 44 ..... 23 28 52 18 15.5 -24 47
Thu Sep 24/Fri Sep 25 9117.8 23 51 47 18 23 19 41 4 56 6 14 19 32 4 48 ..... 0 24 62 19 13.9 -24 52
Fri Sep 25/Sat Sep 26 9118.8 23 55 44 18 22 19 40 4 56 6 14 19 35 4 53 ..... 1 23 72 20 10.6 -23 37
Sat Sep 26/Sun Sep 27 9119.8 23 59 40 18 20 19 38 4 57 6 15 19 37 4 57 ..... 2 22 81 21 04.7 -21 11
Sun Sep 27/Mon Sep 28 9120.8 0 03 37 18 19 19 37 4 58 6 15 19 40 5 02 ..... 3 21 88 21 56.0 -17 49
Mon Sep 28/Tue Sep 29 9121.8 0 07 33 18 18 19 35 4 58 6 16 19 42 5 07 16 59 4 18 93 22 44.5 -13 43
Tue Sep 29/Wed Sep 30 9122.8 0 11 30 18 16 19 34 4 59 6 17 19 45 5 11 17 30 5 13 97 23 30.9 - 9 07
Wed Sep 30/Thu Oct 01 9123.8 0 15 26 18 15 19 33 5 00 6 17 19 48 5 16 17 59 6 07 99 0 15.6 - 4 14
***** 2020 OCTOBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Thu Oct 01/Fri Oct 02 9124.8 0 19 23 18 14 19 32 5 00 6 18 19 50 5 20 18 27 7 01 100 0 59.6 0 46
Fri Oct 02/Sat Oct 03 9125.8 0 23 20 18 13 19 30 5 01 6 19 19 53 5 25 18 55 ..... 98 1 43.5 5 43
Sat Oct 03/Sun Oct 04 9126.8 0 27 16 18 11 19 29 5 02 6 19 19 55 5 30 19 23 ..... 95 2 28.0 10 24
Sun Oct 04/Mon Oct 05 9127.8 0 31 13 18 10 19 28 5 02 6 20 19 58 5 34 19 54 ..... 90 3 13.8 14 41
Mon Oct 05/Tue Oct 06 9128.8 0 35 09 18 09 19 26 5 03 6 21 20 01 5 39 20 27 ..... 83 4 01.5 18 23
Tue Oct 06/Wed Oct 07 9129.8 0 39 06 18 08 19 25 5 04 6 21 20 04 5 44 21 04 ..... 75 4 51.5 21 19
Wed Oct 07/Thu Oct 08 9130.8 0 43 02 18 06 19 24 5 04 6 22 20 06 5 48 21 47 ..... 66 5 43.8 23 17
Thu Oct 08/Fri Oct 09 9131.8 0 46 59 18 05 19 23 5 05 6 23 20 09 5 53 22 35 ..... 57 6 38.2 24 09
Fri Oct 09/Sat Oct 10 9132.8 0 50 55 18 04 19 22 5 06 6 23 20 12 5 57 23 30 ..... 47 7 34.0 23 44
Sat Oct 10/Sun Oct 11 9133.8 0 54 52 18 03 19 20 5 06 6 24 20 14 6 02 0 30 ..... 36 8 30.5 22 01
Sun Oct 11/Mon Oct 12 9134.8 0 58 49 18 01 19 19 5 07 6 25 20 17 6 07 1 35 ..... 26 9 26.7 19 00
Mon Oct 12/Tue Oct 13 9135.8 1 02 45 18 00 19 18 5 08 6 25 20 20 6 11 2 42 ..... 17 10 22.3 14 48
Tue Oct 13/Wed Oct 14 9136.8 1 06 42 17 59 19 17 5 08 6 26 20 23 6 16 3 51 16 26 9 11 17.1 9 37
Wed Oct 14/Thu Oct 15 9137.8 1 10 38 17 58 19 16 5 09 6 27 20 26 6 20 5 01 17 03 4 12 11.5 3 44
Thu Oct 15/Fri Oct 16 9138.8 1 14 35 17 57 19 15 5 10 6 28 20 28 6 25 6 11 17 39 1 13 05.9 - 2 29
Fri Oct 16/Sat Oct 17 9139.8 1 18 31 17 56 19 14 5 10 6 28 20 31 6 30 7 22 18 16 0 14 01.2 - 8 38
Sat Oct 17/Sun Oct 18 9140.8 1 22 28 17 55 19 12 5 11 6 29 20 34 6 34 ..... 18 55 3 14 57.9 -14 16
Sun Oct 18/Mon Oct 19 9141.8 1 26 24 17 53 19 11 5 12 6 30 20 37 6 39 ..... 19 38 9 15 56.5 -19 01
Mon Oct 19/Tue Oct 20 9142.8 1 30 21 17 52 19 10 5 12 6 31 20 40 6 44 ..... 20 26 17 16 56.6 -22 31
Tue Oct 20/Wed Oct 21 9143.8 1 34 18 17 51 19 09 5 13 6 31 20 43 6 48 ..... 21 18 26 17 57.4 -24 34
Wed Oct 21/Thu Oct 22 9144.8 1 38 14 17 50 19 08 5 14 6 32 20 46 6 53 ..... 22 15 36 18 57.6 -25 05
Thu Oct 22/Fri Oct 23 9145.8 1 42 11 17 49 19 07 5 14 6 33 20 49 6 57 ..... 23 15 46 19 55.8 -24 09
Fri Oct 23/Sat Oct 24 9146.8 1 46 07 17 48 19 06 5 15 6 34 20 52 7 02 ..... 0 15 57 20 51.1 -21 59
Sat Oct 24/Sun Oct 25 9147.8 1 50 04 17 47 19 06 5 16 6 34 20 55 7 07 ..... 1 15 67 21 43.2 -18 48
Sun Oct 25/Mon Oct 26 9148.8 1 54 00 17 46 19 05 5 17 6 35 20 58 7 11 ..... 2 12 76 22 32.2 -14 52
Mon Oct 26/Tue Oct 27 9149.8 1 57 57 17 45 19 04 5 17 6 36 21 01 7 16 ..... 3 08 83 23 18.7 -10 22
Tue Oct 27/Wed Oct 28 9150.8 2 01 53 17 44 19 03 5 18 6 37 21 04 7 21 ..... 4 02 90 0 03.4 - 5 32
Wed Oct 28/Thu Oct 29 9151.8 2 05 50 17 43 19 02 5 19 6 38 21 07 7 25 16 31 4 56 95 0 47.2 - 0 32
Thu Oct 29/Fri Oct 30 9152.8 2 09 47 17 42 19 01 5 19 6 38 21 10 7 30 16 58 5 49 98 1 30.8 4 28
Fri Oct 30/Sat Oct 31 9153.8 2 13 43 17 41 19 00 5 20 6 39 21 13 7 35 17 26 6 43 100 2 15.1 9 17
Sat Oct 31/Sun Nov 01 9154.8 2 17 40 17 40 19 00 5 21 6 40 21 16 7 39 17 56 7 38 100 3 00.7 13 46
***** 2020 NOVEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Nov 01/Mon Nov 02 9155.8 2 21 36 17 40 18 59 5 22 6 41 21 20 7 44 18 28 ..... 97 3 48.1 17 43
Mon Nov 02/Tue Nov 03 9156.8 2 25 33 17 39 18 58 5 22 6 42 21 23 7 49 19 04 ..... 93 4 37.8 20 55
Tue Nov 03/Wed Nov 04 9157.8 2 29 29 17 38 18 57 5 23 6 43 21 26 7 53 19 44 ..... 88 5 29.8 23 12
Wed Nov 04/Thu Nov 05 9158.8 2 33 26 17 37 18 57 5 24 6 43 21 29 7 58 20 31 ..... 81 6 23.7 24 23
Thu Nov 05/Fri Nov 06 9159.8 2 37 22 17 36 18 56 5 24 6 44 21 33 8 03 21 23 ..... 72 7 19.0 24 20
Fri Nov 06/Sat Nov 07 9160.8 2 41 19 17 36 18 55 5 25 6 45 21 36 8 07 22 20 ..... 63 8 14.6 23 00
Sat Nov 07/Sun Nov 08 9161.8 2 45 16 17 35 18 55 5 26 6 46 21 39 8 12 23 21 ..... 52 9 09.8 20 25
Sun Nov 08/Mon Nov 09 9162.8 2 49 12 17 34 18 54 5 27 6 47 21 43 8 17 0 25 ..... 41 10 04.2 16 40
Mon Nov 09/Tue Nov 10 9163.8 2 53 09 17 34 18 54 5 27 6 48 21 46 8 21 1 31 ..... 31 10 57.6 11 55
Tue Nov 10/Wed Nov 11 9164.8 2 57 05 17 33 18 53 5 28 6 49 21 49 8 26 2 38 ..... 21 11 50.4 6 24
Wed Nov 11/Thu Nov 12 9165.8 3 01 02 17 32 18 53 5 29 6 49 21 53 8 31 3 46 ..... 12 12 43.3 0 23
Thu Nov 12/Fri Nov 13 9166.8 3 04 58 17 32 18 52 5 30 6 50 21 56 8 36 4 55 16 08 5 13 37.1 - 5 47
Fri Nov 13/Sat Nov 14 9167.8 3 08 55 17 31 18 52 5 30 6 51 22 00 8 40 6 07 16 46 1 14 32.6 -11 42
Sat Nov 14/Sun Nov 15 9168.8 3 12 51 17 31 18 51 5 31 6 52 22 03 8 45 7 20 17 26 0 15 30.5 -16 57
Sun Nov 15/Mon Nov 16 9169.8 3 16 48 17 30 18 51 5 32 6 53 22 07 8 50 ..... 18 11 2 16 30.8 -21 08
Mon Nov 16/Tue Nov 17 9170.8 3 20 45 17 30 18 51 5 33 6 54 22 10 8 54 ..... 19 03 6 17 32.8 -23 53
Tue Nov 17/Wed Nov 18 9171.8 3 24 41 17 29 18 50 5 33 6 55 22 14 8 59 ..... 19 59 13 18 35.0 -25 04
Wed Nov 18/Thu Nov 19 9172.8 3 28 38 17 29 18 50 5 34 6 56 22 18 9 04 ..... 21 01 21 19 35.8 -24 39
Thu Nov 19/Fri Nov 20 9173.8 3 32 34 17 28 18 50 5 35 6 56 22 21 9 08 ..... 22 03 30 20 33.6 -22 50
Fri Nov 20/Sat Nov 21 9174.8 3 36 31 17 28 18 49 5 36 6 57 22 25 9 13 ..... 23 05 40 21 27.8 -19 54
Sat Nov 21/Sun Nov 22 9175.8 3 40 27 17 28 18 49 5 36 6 58 22 29 9 18 ..... 0 04 50 22 18.3 -16 06
Sun Nov 22/Mon Nov 23 9176.8 3 44 24 17 27 18 49 5 37 6 59 22 32 9 22 ..... 1 01 60 23 05.7 -11 42
Mon Nov 23/Tue Nov 24 9177.8 3 48 20 17 27 18 49 5 38 7 00 22 36 9 27 ..... 1 56 69 23 50.9 - 6 56
Tue Nov 24/Wed Nov 25 9178.8 3 52 17 17 27 18 49 5 39 7 01 22 40 9 32 ..... 2 50 78 0 34.7 - 1 57
Wed Nov 25/Thu Nov 26 9179.8 3 56 14 17 26 18 48 5 39 7 02 22 44 9 37 ..... 3 44 85 1 18.0 3 04
Thu Nov 26/Fri Nov 27 9180.8 4 00 10 17 26 18 48 5 40 7 02 22 48 9 41 ..... 4 37 91 2 01.9 7 58
Fri Nov 27/Sat Nov 28 9181.8 4 04 07 17 26 18 48 5 41 7 03 22 52 9 46 15 58 5 32 96 2 46.9 12 35
Sat Nov 28/Sun Nov 29 9182.8 4 08 03 17 26 18 48 5 42 7 04 22 55 9 51 16 29 6 28 99 3 33.9 16 44
Sun Nov 29/Mon Nov 30 9183.8 4 12 00 17 26 18 48 5 42 7 05 22 59 9 55 17 04 7 25 100 4 23.3 20 14
Mon Nov 30/Tue Dec 01 9184.8 4 15 56 17 26 18 48 5 43 7 06 23 03 10 00 17 43 ..... 99 5 15.2 22 50
***** 2020 DECEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2020 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Dec 01/Wed Dec 02 9185.8 4 19 53 17 26 18 48 5 44 7 07 23 07 10 05 18 28 ..... 96 6 09.4 24 22
Wed Dec 02/Thu Dec 03 9186.8 4 23 49 17 26 18 48 5 45 7 07 23 11 10 09 19 18 ..... 92 7 05.1 24 39
Thu Dec 03/Fri Dec 04 9187.8 4 27 46 17 26 18 48 5 45 7 08 23 15 10 14 20 14 ..... 85 8 01.1 23 39
Fri Dec 04/Sat Dec 05 9188.8 4 31 43 17 26 18 49 5 46 7 09 23 19 10 19 21 14 ..... 77 8 56.6 21 22
Sat Dec 05/Sun Dec 06 9189.8 4 35 39 17 26 18 49 5 47 7 10 23 23 10 23 22 17 ..... 68 9 50.8 17 54
Sun Dec 06/Mon Dec 07 9190.8 4 39 36 17 26 18 49 5 47 7 10 23 28 10 28 23 20 ..... 57 10 43.6 13 28
Mon Dec 07/Tue Dec 08 9191.8 4 43 32 17 26 18 49 5 48 7 11 23 32 10 32 0 25 ..... 46 11 35.2 8 16
Tue Dec 08/Wed Dec 09 9192.8 4 47 29 17 26 18 49 5 49 7 12 23 36 10 37 1 29 ..... 35 12 26.4 2 32
Wed Dec 09/Thu Dec 10 9193.8 4 51 25 17 26 18 49 5 49 7 13 23 40 10 42 2 35 ..... 25 13 18.0 - 3 26
Thu Dec 10/Fri Dec 11 9194.8 4 55 22 17 26 18 50 5 50 7 13 23 44 10 46 3 43 ..... 15 14 11.1 - 9 19
Fri Dec 11/Sat Dec 12 9195.8 4 59 18 17 27 18 50 5 51 7 14 23 49 10 51 4 54 ..... 8 15 06.5 -14 46
Sat Dec 12/Sun Dec 13 9196.8 5 03 15 17 27 18 50 5 51 7 15 23 53 10 55 6 05 15 59 3 16 04.7 -19 23
Sun Dec 13/Mon Dec 14 9197.8 5 07 12 17 27 18 51 5 52 7 15 23 57 11 00 7 16 16 46 0 17 05.7 -22 47
Mon Dec 14/Tue Dec 15 9198.8 5 11 08 17 28 18 51 5 52 7 16 0 01 11 05 8 23 17 40 1 18 08.2 -24 40
Tue Dec 15/Wed Dec 16 9199.8 5 15 05 17 28 18 51 5 53 7 17 0 06 11 09 ..... 18 40 3 19 10.5 -24 56
Wed Dec 16/Thu Dec 17 9200.8 5 19 01 17 28 18 52 5 54 7 17 0 10 11 14 ..... 19 44 9 20 10.8 -23 39
Thu Dec 17/Fri Dec 18 9201.8 5 22 58 17 29 18 52 5 54 7 18 0 14 11 18 ..... 20 48 16 21 07.7 -21 04
Fri Dec 18/Sat Dec 19 9202.8 5 26 54 17 29 18 53 5 55 7 18 0 19 11 23 ..... 21 50 24 22 00.6 -17 29
Sat Dec 19/Sun Dec 20 9203.8 5 30 51 17 30 18 53 5 55 7 19 0 23 11 27 ..... 22 50 33 22 49.9 -13 11
Sun Dec 20/Mon Dec 21 9204.8 5 34 47 17 30 18 54 5 56 7 19 0 28 11 31 ..... 23 47 43 23 36.3 - 8 27
Mon Dec 21/Tue Dec 22 9205.8 5 38 44 17 31 18 54 5 56 7 20 0 32 11 36 ..... 0 42 52 0 20.7 - 3 30
Tue Dec 22/Wed Dec 23 9206.8 5 42 41 17 31 18 55 5 57 7 20 0 37 11 40 ..... 1 36 62 1 04.2 1 32
Wed Dec 23/Thu Dec 24 9207.8 5 46 37 17 32 18 55 5 57 7 21 0 41 11 45 ..... 2 29 71 1 47.6 6 28
Thu Dec 24/Fri Dec 25 9208.8 5 50 34 17 32 18 56 5 58 7 21 0 45 11 49 ..... 3 24 79 2 32.0 11 11
Fri Dec 25/Sat Dec 26 9209.8 5 54 30 17 33 18 56 5 58 7 22 0 50 11 53 ..... 4 19 86 3 18.1 15 29
Sat Dec 26/Sun Dec 27 9210.8 5 58 27 17 33 18 57 5 58 7 22 0 55 11 58 ..... 5 16 92 4 06.6 19 13
Sun Dec 27/Mon Dec 28 9211.8 6 02 23 17 34 18 58 5 59 7 22 0 59 12 02 15 40 6 13 97 4 57.9 22 09
Mon Dec 28/Tue Dec 29 9212.8 6 06 20 17 35 18 58 5 59 7 23 1 04 12 06 16 23 7 10 99 5 51.9 24 03
Tue Dec 29/Wed Dec 30 9213.8 6 10 16 17 35 18 59 5 59 7 23 1 08 12 11 17 12 8 05 100 6 48.0 24 45
Wed Dec 30/Thu Dec 31 9214.8 6 14 13 17 36 18 59 6 00 7 23 1 13 12 15 18 07 ..... 98 7 45.1 24 06
Thu Dec 31/Fri Jan 01 9215.8 6 18 10 17 37 19 00 6 00 7 23 1 17 12 19 19 07 ..... 95 8 42.0 22 07
Updated on February 1, 2021, 2:55 am