2023
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Jan 01/Mon Jan 02 9946.8 6 20 15 17 38 19 00 6 00 7 22 1 20 12 21 ..... 3 50 81 3 06.4 18 06
Mon Jan 02/Tue Jan 03 9947.8 6 24 12 17 39 19 01 6 00 7 22 1 24 12 25 ..... 4 50 88 3 56.8 22 08
Tue Jan 03/Wed Jan 04 9948.8 6 28 09 17 40 19 02 6 01 7 22 1 29 12 30 ..... 5 49 93 4 49.2 25 06
Wed Jan 04/Thu Jan 05 9949.8 6 32 05 17 41 19 02 6 01 7 23 1 34 12 34 ..... 6 46 97 5 43.1 26 52
Thu Jan 05/Fri Jan 06 9950.8 6 36 02 17 41 19 03 6 01 7 23 1 38 12 38 16 25 7 37 99 6 37.6 27 19
Fri Jan 06/Sat Jan 07 9951.8 6 39 58 17 42 19 04 6 01 7 23 1 43 12 42 17 18 ..... 100 7 31.6 26 28
Sat Jan 07/Sun Jan 08 9952.8 6 43 55 17 43 19 05 6 01 7 23 1 48 12 46 18 14 ..... 98 8 24.0 24 22
Sun Jan 08/Mon Jan 09 9953.8 6 47 51 17 44 19 05 6 01 7 23 1 52 12 50 19 12 ..... 95 9 14.1 21 12
Mon Jan 09/Tue Jan 10 9954.8 6 51 48 17 45 19 06 6 01 7 23 1 57 12 54 20 09 ..... 90 10 01.9 17 08
Tue Jan 10/Wed Jan 11 9955.8 6 55 44 17 45 19 07 6 01 7 23 2 02 12 58 21 06 ..... 83 10 47.5 12 23
Wed Jan 11/Thu Jan 12 9956.8 6 59 41 17 46 19 07 6 01 7 23 2 06 13 02 22 02 ..... 76 11 31.9 7 08
Thu Jan 12/Fri Jan 13 9957.8 7 03 38 17 47 19 08 6 01 7 22 2 11 13 06 22 57 ..... 67 12 15.6 1 33
Fri Jan 13/Sat Jan 14 9958.8 7 07 34 17 48 19 09 6 01 7 22 2 16 13 10 23 54 ..... 57 13 00.0 - 4 12
Sat Jan 14/Sun Jan 15 9959.8 7 11 31 17 49 19 10 6 01 7 22 2 21 13 14 0 53 ..... 47 13 46.0 - 9 54
Sun Jan 15/Mon Jan 16 9960.8 7 15 27 17 50 19 11 6 01 7 22 2 25 13 18 1 55 ..... 37 14 34.8 -15 21
Mon Jan 16/Tue Jan 17 9961.8 7 19 24 17 51 19 11 6 01 7 22 2 30 13 22 3 02 ..... 27 15 27.8 -20 15
Tue Jan 17/Wed Jan 18 9962.8 7 23 20 17 51 19 12 6 01 7 22 2 35 13 25 4 12 ..... 17 16 25.6 -24 11
Wed Jan 18/Thu Jan 19 9963.8 7 27 17 17 52 19 13 6 01 7 21 2 39 13 29 5 23 ..... 10 17 28.2 -26 45
Thu Jan 19/Fri Jan 20 9964.8 7 31 13 17 53 19 14 6 01 7 21 2 44 13 33 6 30 ..... 4 18 34.3 -27 33
Fri Jan 20/Sat Jan 21 9965.8 7 35 10 17 54 19 14 6 00 7 21 2 49 13 37 7 31 16 37 1 19 41.3 -26 21
Sat Jan 21/Sun Jan 22 9966.8 7 39 07 17 55 19 15 6 00 7 20 2 54 13 40 ..... 17 52 0 20 46.3 -23 15
Sun Jan 22/Mon Jan 23 9967.8 7 43 03 17 56 19 16 6 00 7 20 2 58 13 44 ..... 19 08 3 21 47.4 -18 36
Mon Jan 23/Tue Jan 24 9968.8 7 47 00 17 57 19 17 6 00 7 19 3 03 13 48 ..... 20 21 9 22 44.2 -12 52
Tue Jan 24/Wed Jan 25 9969.8 7 50 56 17 58 19 18 5 59 7 19 3 08 13 51 ..... 21 31 16 23 37.1 - 6 34
Wed Jan 25/Thu Jan 26 9970.8 7 54 53 17 59 19 18 5 59 7 19 3 13 13 55 ..... 22 37 25 0 27.3 - 0 07
Thu Jan 26/Fri Jan 27 9971.8 7 58 49 18 00 19 19 5 59 7 18 3 17 13 58 ..... 23 40 35 1 15.9 6 09
Fri Jan 27/Sat Jan 28 9972.8 8 02 46 18 01 19 20 5 58 7 17 3 22 14 02 ..... 0 42 46 2 04.2 11 57
Sat Jan 28/Sun Jan 29 9973.8 8 06 42 18 02 19 21 5 58 7 17 3 27 14 05 ..... 1 44 56 2 53.0 17 05
Sun Jan 29/Mon Jan 30 9974.8 8 10 39 18 02 19 22 5 57 7 16 3 32 14 09 ..... 2 44 66 3 43.2 21 21
Mon Jan 30/Tue Jan 31 9975.8 8 14 36 18 03 19 22 5 57 7 16 3 36 14 12 ..... 3 44 75 4 35.0 24 35
Tue Jan 31/Wed Feb 01 9976.8 8 18 32 18 04 19 23 5 56 7 15 3 41 14 16 ..... 4 41 83 5 28.3 26 38
***** 2023 FEBRUARY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Feb 01/Thu Feb 02 9977.8 8 22 29 18 05 19 24 5 56 7 14 3 46 14 19 ..... 5 34 89 6 22.4 27 24
Thu Feb 02/Fri Feb 03 9978.8 8 26 25 18 06 19 25 5 55 7 14 3 50 14 23 ..... 6 22 94 7 16.4 26 51
Fri Feb 03/Sat Feb 04 9979.8 8 30 22 18 07 19 26 5 55 7 13 3 55 14 26 16 08 7 04 98 8 09.2 25 03
Sat Feb 04/Sun Feb 05 9980.8 8 34 18 18 08 19 26 5 54 7 12 4 00 14 29 17 05 7 40 100 9 00.0 22 06
Sun Feb 05/Mon Feb 06 9981.8 8 38 15 18 09 19 27 5 53 7 12 4 05 14 33 18 03 ..... 100 9 48.6 18 12
Mon Feb 06/Tue Feb 07 9982.8 8 42 11 18 10 19 28 5 53 7 11 4 09 14 36 19 00 ..... 98 10 35.1 13 32
Tue Feb 07/Wed Feb 08 9983.8 8 46 08 18 11 19 29 5 52 7 10 4 14 14 39 19 57 ..... 94 11 19.9 8 19
Wed Feb 08/Thu Feb 09 9984.8 8 50 05 18 11 19 30 5 51 7 09 4 19 14 42 20 52 ..... 88 12 03.9 2 44
Thu Feb 09/Fri Feb 10 9985.8 8 54 01 18 12 19 30 5 51 7 08 4 24 14 46 21 48 ..... 81 12 48.0 - 3 01
Fri Feb 10/Sat Feb 11 9986.8 8 57 58 18 13 19 31 5 50 7 08 4 28 14 49 22 46 ..... 73 13 33.2 - 8 44
Sat Feb 11/Sun Feb 12 9987.8 9 01 54 18 14 19 32 5 49 7 07 4 33 14 52 23 46 ..... 64 14 20.5 -14 13
Sun Feb 12/Mon Feb 13 9988.8 9 05 51 18 15 19 33 5 48 7 06 4 38 14 55 0 49 ..... 53 15 11.1 -19 12
Mon Feb 13/Tue Feb 14 9989.8 9 09 47 18 16 19 33 5 47 7 05 4 42 14 58 1 55 ..... 42 16 05.9 -23 22
Tue Feb 14/Wed Feb 15 9990.8 9 13 44 18 17 19 34 5 47 7 04 4 47 15 01 3 03 ..... 32 17 05.1 -26 20
Wed Feb 15/Thu Feb 16 9991.8 9 17 40 18 17 19 35 5 46 7 03 4 52 15 04 4 10 ..... 22 18 08.3 -27 44
Thu Feb 16/Fri Feb 17 9992.8 9 21 37 18 18 19 36 5 45 7 02 4 57 15 07 5 13 ..... 13 19 13.5 -27 18
Fri Feb 17/Sat Feb 18 9993.8 9 25 34 18 19 19 36 5 44 7 01 5 01 15 10 6 07 ..... 6 20 18.4 -24 59
Sat Feb 18/Sun Feb 19 9994.8 9 29 30 18 20 19 37 5 43 7 00 5 06 15 13 6 54 16 38 2 21 20.7 -20 56
Sun Feb 19/Mon Feb 20 9995.8 9 33 27 18 21 19 38 5 42 6 59 5 11 15 16 7 34 17 53 0 22 19.4 -15 34
Mon Feb 20/Tue Feb 21 9996.8 9 37 23 18 22 19 39 5 41 6 58 5 15 15 19 ..... 19 06 2 23 14.4 - 9 20
Tue Feb 21/Wed Feb 22 9997.8 9 41 20 18 22 19 39 5 40 6 57 5 20 15 22 ..... 20 15 6 0 06.6 - 2 44
Wed Feb 22/Thu Feb 23 9998.8 9 45 16 18 23 19 40 5 39 6 56 5 25 15 25 ..... 21 22 12 0 56.9 3 51
Thu Feb 23/Fri Feb 24 9999.8 9 49 13 18 24 19 41 5 38 6 55 5 29 15 28 ..... 22 27 20 1 46.4 10 03
Fri Feb 24/Sat Feb 25 10000.8 9 53 09 18 25 19 42 5 37 6 54 5 34 15 31 ..... 23 31 29 2 36.3 15 36
Sat Feb 25/Sun Feb 26 10001.8 9 57 06 18 26 19 42 5 36 6 53 5 39 15 34 ..... 0 34 39 3 27.0 20 16
Sun Feb 26/Mon Feb 27 10002.8 10 01 03 18 26 19 43 5 35 6 51 5 43 15 37 ..... 1 36 49 4 19.2 23 53
Mon Feb 27/Tue Feb 28 10003.8 10 04 59 18 27 19 44 5 34 6 50 5 48 15 40 ..... 2 35 59 5 12.6 26 18
Tue Feb 28/Wed Mar 01 10004.8 10 08 56 18 28 19 45 5 33 6 49 5 53 15 42 ..... 3 30 68 6 06.7 27 25
***** 2023 MARCH *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Mar 01/Thu Mar 02 5.8 10 12 52 18 29 19 45 5 32 6 48 5 57 15 45 ..... 4 19 76 7 00.8 27 13
Thu Mar 02/Fri Mar 03 6.8 10 16 49 18 29 19 46 5 30 6 47 6 02 15 48 ..... 5 03 84 7 53.8 25 44
Fri Mar 03/Sat Mar 04 7.8 10 20 45 18 30 19 47 5 29 6 46 6 07 15 51 ..... 5 41 90 8 45.1 23 04
Sat Mar 04/Sun Mar 05 8.8 10 24 42 18 31 19 48 5 28 6 44 6 12 15 54 ..... 6 14 95 9 34.3 19 23
Sun Mar 05/Mon Mar 06 9.8 10 28 38 18 32 19 48 5 27 6 43 6 16 15 56 16 53 6 44 98 10 21.4 14 52
Mon Mar 06/Tue Mar 07 10.8 10 32 35 18 32 19 49 5 26 6 42 6 21 15 59 17 50 7 11 100 11 07.0 9 42
Tue Mar 07/Wed Mar 08 11.8 10 36 32 18 33 19 50 5 24 6 41 6 26 16 02 18 47 ..... 99 11 51.5 4 06
Wed Mar 08/Thu Mar 09 12.8 10 40 28 18 34 19 50 5 23 6 40 6 30 16 05 19 43 ..... 97 12 36.0 - 1 45
Thu Mar 09/Fri Mar 10 13.8 10 44 25 18 35 19 51 5 22 6 38 6 35 16 07 20 41 ..... 92 13 21.3 - 7 37
Fri Mar 10/Sat Mar 11 14.8 10 48 21 18 35 19 52 5 21 6 37 6 40 16 10 21 40 ..... 86 14 08.4 -13 16
Sat Mar 11/Sun Mar 12 15.8 10 52 18 18 36 19 53 5 19 6 36 6 44 16 13 22 42 ..... 78 14 58.3 -18 26
Sun Mar 12/Mon Mar 13 16.8 10 56 14 18 37 19 53 5 18 6 35 6 49 16 15 23 46 ..... 69 15 51.9 -22 49
Mon Mar 13/Tue Mar 14 17.8 11 00 11 18 38 19 54 5 17 6 33 6 54 16 18 0 53 ..... 58 16 49.3 -26 04
Tue Mar 14/Wed Mar 15 18.8 11 04 07 18 38 19 55 5 16 6 32 6 58 16 21 1 59 ..... 47 17 50.4 -27 53
Wed Mar 15/Thu Mar 16 19.8 11 08 04 18 39 19 56 5 14 6 31 7 03 16 23 3 01 ..... 36 18 53.6 -27 59
Thu Mar 16/Fri Mar 17 20.8 11 12 01 18 40 19 56 5 13 6 30 7 08 16 26 3 57 ..... 25 19 56.9 -26 17
Fri Mar 17/Sat Mar 18 21.8 11 15 57 18 40 19 57 5 12 6 28 7 12 16 28 4 45 ..... 16 20 58.4 -22 52
Sat Mar 18/Sun Mar 19 22.8 11 19 54 18 41 19 58 5 10 6 27 7 17 16 31 5 27 ..... 8 21 56.9 -18 02
Sun Mar 19/Mon Mar 20 23.8 11 23 50 18 42 19 59 5 09 6 26 7 22 16 34 6 03 16 41 3 22 52.3 -12 09
Mon Mar 20/Tue Mar 21 24.8 11 27 47 18 42 19 59 5 08 6 25 7 27 16 36 6 35 17 51 0 23 44.9 - 5 40
Tue Mar 21/Wed Mar 22 25.8 11 31 43 18 43 20 00 5 06 6 23 7 31 16 39 7 06 18 59 0 0 35.8 1 00
Wed Mar 22/Thu Mar 23 26.8 11 35 40 18 44 20 01 5 05 6 22 7 36 16 41 ..... 20 06 3 1 25.9 7 29
Thu Mar 23/Fri Mar 24 27.8 11 39 36 18 44 20 02 5 03 6 21 7 41 16 44 ..... 21 12 8 2 16.3 13 27
Fri Mar 24/Sat Mar 25 28.8 11 43 33 18 45 20 03 5 02 6 19 7 45 16 46 ..... 22 17 15 3 07.5 18 37
Sat Mar 25/Sun Mar 26 29.8 11 47 30 18 46 20 03 5 01 6 18 7 50 16 49 ..... 23 21 23 4 00.2 22 44
Sun Mar 26/Mon Mar 27 30.8 11 51 26 18 47 20 04 4 59 6 17 7 55 16 52 ..... 0 23 32 4 54.1 25 38
Mon Mar 27/Tue Mar 28 31.8 11 55 23 18 47 20 05 4 58 6 16 8 00 16 54 ..... 1 21 41 5 48.8 27 13
Tue Mar 28/Wed Mar 29 32.8 11 59 19 18 48 20 06 4 56 6 14 8 04 16 57 ..... 2 14 51 6 43.4 27 26
Wed Mar 29/Thu Mar 30 33.8 12 03 16 18 49 20 07 4 55 6 13 8 09 16 59 ..... 3 00 61 7 37.0 26 21
Thu Mar 30/Fri Mar 31 34.8 12 07 12 18 49 20 07 4 54 6 12 8 14 17 02 ..... 3 40 70 8 28.8 24 02
Fri Mar 31/Sat Apr 01 35.8 12 11 09 18 50 20 08 4 52 6 10 8 19 17 04 ..... 4 15 78 9 18.4 20 39
***** 2023 APRIL *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sat Apr 01/Sun Apr 02 36.8 12 15 05 18 51 20 09 4 51 6 09 8 23 17 07 ..... 4 46 86 10 06.0 16 22
Sun Apr 02/Mon Apr 03 37.8 12 19 02 18 51 20 10 4 49 6 08 8 28 17 09 ..... 5 14 92 10 51.9 11 23
Mon Apr 03/Tue Apr 04 38.8 12 22 59 18 52 20 11 4 48 6 07 8 33 17 12 ..... 5 40 96 11 36.8 5 51
Tue Apr 04/Wed Apr 05 39.8 12 26 55 18 53 20 11 4 47 6 05 8 38 17 14 17 35 6 06 99 12 21.5 - 0 01
Wed Apr 05/Thu Apr 06 40.8 12 30 52 18 53 20 12 4 45 6 04 8 43 17 17 18 32 6 33 100 13 07.0 - 6 01
Thu Apr 06/Fri Apr 07 41.8 12 34 48 18 54 20 13 4 44 6 03 8 47 17 19 19 32 7 03 99 13 54.3 -11 53
Fri Apr 07/Sat Apr 08 42.8 12 38 45 18 55 20 14 4 42 6 02 8 52 17 22 20 34 ..... 95 14 44.3 -17 21
Sat Apr 08/Sun Apr 09 43.8 12 42 41 18 55 20 15 4 41 6 00 8 57 17 24 21 39 ..... 89 15 37.9 -22 05
Sun Apr 09/Mon Apr 10 44.8 12 46 38 18 56 20 16 4 40 5 59 9 02 17 27 22 46 ..... 82 16 35.3 -25 43
Mon Apr 10/Tue Apr 11 45.8 12 50 34 18 57 20 17 4 38 5 58 9 07 17 29 23 52 ..... 72 17 36.2 -27 54
Tue Apr 11/Wed Apr 12 46.8 12 54 31 18 57 20 17 4 37 5 57 9 11 17 32 0 56 ..... 62 18 39.1 -28 25
Wed Apr 12/Thu Apr 13 47.8 12 58 28 18 58 20 18 4 35 5 56 9 16 17 35 1 53 ..... 50 19 42.0 -27 08
Thu Apr 13/Fri Apr 14 48.8 13 02 24 18 59 20 19 4 34 5 54 9 21 17 37 2 42 ..... 39 20 43.0 -24 10
Fri Apr 14/Sat Apr 15 49.8 13 06 21 19 00 20 20 4 33 5 53 9 26 17 40 3 24 ..... 28 21 41.0 -19 46
Sat Apr 15/Sun Apr 16 50.8 13 10 17 19 00 20 21 4 31 5 52 9 31 17 42 4 01 ..... 19 22 35.7 -14 18
Sun Apr 16/Mon Apr 17 51.8 13 14 14 19 01 20 22 4 30 5 51 9 36 17 45 4 33 ..... 11 23 27.7 - 8 07
Mon Apr 17/Tue Apr 18 52.8 13 18 10 19 02 20 23 4 28 5 50 9 40 17 47 5 04 ..... 5 0 17.9 - 1 35
Tue Apr 18/Wed Apr 19 53.8 13 22 07 19 02 20 24 4 27 5 49 9 45 17 50 5 34 17 46 1 1 07.3 4 56
Wed Apr 19/Thu Apr 20 54.8 13 26 03 19 03 20 25 4 26 5 47 9 50 17 52 6 06 18 52 0 1 57.0 11 05
Thu Apr 20/Fri Apr 21 55.8 13 30 00 19 04 20 26 4 24 5 46 9 55 17 55 6 39 19 57 1 2 47.8 16 36
Fri Apr 21/Sat Apr 22 56.8 13 33 57 19 04 20 27 4 23 5 45 10 00 17 58 ..... 21 03 5 3 40.2 21 11
Sat Apr 22/Sun Apr 23 57.8 13 37 53 19 05 20 28 4 22 5 44 10 05 18 00 ..... 22 07 10 4 34.2 24 36
Sun Apr 23/Mon Apr 24 58.8 13 41 50 19 06 20 29 4 20 5 43 10 10 18 03 ..... 23 08 17 5 29.2 26 42
Mon Apr 24/Tue Apr 25 59.8 13 45 46 19 07 20 30 4 19 5 42 10 15 18 05 ..... 0 05 26 6 24.5 27 25
Tue Apr 25/Wed Apr 26 60.8 13 49 43 19 07 20 30 4 18 5 41 10 20 18 08 ..... 0 54 34 7 18.9 26 45
Wed Apr 26/Thu Apr 27 61.8 13 53 39 19 08 20 31 4 16 5 40 10 25 18 11 ..... 1 37 44 8 11.4 24 50
Thu Apr 27/Fri Apr 28 62.8 13 57 36 19 09 20 32 4 15 5 39 10 29 18 13 ..... 2 14 53 9 01.6 21 48
Fri Apr 28/Sat Apr 29 63.8 14 01 32 19 09 20 33 4 14 5 38 10 34 18 16 ..... 2 46 63 9 49.4 17 50
Sat Apr 29/Sun Apr 30 64.8 14 05 29 19 10 20 34 4 13 5 37 10 39 18 19 ..... 3 15 72 10 35.4 13 07
Sun Apr 30/Mon May 01 65.8 14 09 26 19 11 20 35 4 11 5 36 10 44 18 21 ..... 3 42 80 11 20.2 7 47
***** 2023 MAY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Mon May 01/Tue May 02 66.8 14 13 22 19 12 20 36 4 10 5 35 10 49 18 24 ..... 4 08 87 12 04.6 2 03
Tue May 02/Wed May 03 67.8 14 17 19 19 12 20 37 4 09 5 34 10 54 18 27 ..... 4 34 93 12 49.7 - 3 56
Wed May 03/Thu May 04 68.8 14 21 15 19 13 20 38 4 08 5 33 10 59 18 30 ..... 5 03 98 13 36.5 - 9 56
Thu May 04/Fri May 05 69.8 14 25 12 19 14 20 39 4 07 5 32 11 04 18 32 18 21 5 34 100 14 26.2 -15 40
Fri May 05/Sat May 06 70.8 14 29 08 19 14 20 40 4 05 5 31 11 09 18 35 19 26 6 11 100 15 19.5 -20 47
Sat May 06/Sun May 07 71.8 14 33 05 19 15 20 41 4 04 5 30 11 14 18 38 20 34 ..... 97 16 17.2 -24 55
Sun May 07/Mon May 08 72.8 14 37 01 19 16 20 42 4 03 5 30 11 19 18 41 21 42 ..... 92 17 18.8 -27 38
Mon May 08/Tue May 09 73.8 14 40 58 19 17 20 43 4 02 5 29 11 24 18 44 22 49 ..... 84 18 23.0 -28 37
Tue May 09/Wed May 10 74.8 14 44 55 19 17 20 44 4 01 5 28 11 29 18 47 23 49 ..... 75 19 27.5 -27 45
Wed May 10/Thu May 11 75.8 14 48 51 19 18 20 45 4 00 5 27 11 34 18 49 0 41 ..... 64 20 29.8 -25 07
Thu May 11/Fri May 12 76.8 14 52 48 19 19 20 46 3 59 5 26 11 39 18 52 1 25 ..... 53 21 28.7 -20 59
Fri May 12/Sat May 13 77.8 14 56 44 19 20 20 47 3 58 5 26 11 44 18 55 2 02 ..... 42 22 23.8 -15 45
Sat May 13/Sun May 14 78.8 15 00 41 19 20 20 48 3 57 5 25 11 49 18 58 2 35 ..... 31 23 15.6 - 9 47
Sun May 14/Mon May 15 79.8 15 04 37 19 21 20 49 3 56 5 24 11 53 19 01 3 05 ..... 21 0 05.1 - 3 25
Mon May 15/Tue May 16 80.8 15 08 34 19 22 20 50 3 55 5 24 11 58 19 04 3 35 ..... 13 0 53.6 2 59
Tue May 16/Wed May 17 81.8 15 12 30 19 22 20 51 3 54 5 23 12 03 19 07 4 05 ..... 6 1 42.2 9 09
Wed May 17/Thu May 18 82.8 15 16 27 19 23 20 52 3 53 5 22 12 08 19 10 4 37 17 42 2 2 31.7 14 47
Thu May 18/Fri May 19 83.8 15 20 24 19 24 20 53 3 52 5 22 12 13 19 13 5 13 18 47 0 3 22.9 19 38
Fri May 19/Sat May 20 84.8 15 24 20 19 24 20 54 3 51 5 21 12 18 19 16 5 53 19 52 0 4 16.0 23 25
Sat May 20/Sun May 21 85.8 15 28 17 19 25 20 55 3 50 5 21 12 23 19 19 ..... 20 54 3 5 10.7 25 58
Sun May 21/Mon May 22 86.8 15 32 13 19 26 20 56 3 50 5 20 12 28 19 23 ..... 21 53 7 6 06.0 27 08
Mon May 22/Tue May 23 87.8 15 36 10 19 26 20 57 3 49 5 20 12 33 19 26 ..... 22 46 13 7 00.9 26 55
Tue May 23/Wed May 24 88.8 15 40 06 19 27 20 58 3 48 5 19 12 38 19 29 ..... 23 32 20 7 54.1 25 24
Wed May 24/Thu May 25 89.8 15 44 03 19 28 20 59 3 47 5 19 12 42 19 32 ..... 0 11 28 8 45.0 22 43
Thu May 25/Fri May 26 90.8 15 47 59 19 28 21 00 3 47 5 18 12 47 19 35 ..... 0 45 37 9 33.3 19 04
Fri May 26/Sat May 27 91.8 15 51 56 19 29 21 01 3 46 5 18 12 52 19 39 ..... 1 15 46 10 19.4 14 37
Sat May 27/Sun May 28 92.8 15 55 53 19 30 21 02 3 46 5 17 12 57 19 42 ..... 1 42 56 11 03.9 9 34
Sun May 28/Mon May 29 93.8 15 59 49 19 30 21 02 3 45 5 17 13 02 19 45 ..... 2 08 65 11 47.6 4 03
Mon May 29/Tue May 30 94.8 16 03 46 19 31 21 03 3 44 5 17 13 07 19 49 ..... 2 34 74 12 31.6 - 1 46
Tue May 30/Wed May 31 95.8 16 07 42 19 31 21 04 3 44 5 16 13 11 19 52 ..... 3 01 83 13 17.1 - 7 42
Wed May 31/Thu Jun 01 96.8 16 11 39 19 32 21 05 3 43 5 16 13 16 19 56 ..... 3 31 90 14 05.1 -13 31
***** 2023 JUNE *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Thu Jun 01/Fri Jun 02 97.8 16 15 35 19 33 21 06 3 43 5 16 13 21 19 59 ..... 4 06 96 14 56.9 -18 56
Fri Jun 02/Sat Jun 03 98.8 16 19 32 19 33 21 06 3 42 5 16 13 25 20 03 18 15 4 47 99 15 53.5 -23 32
Sat Jun 03/Sun Jun 04 99.8 16 23 28 19 34 21 07 3 42 5 15 13 30 20 06 19 25 5 36 100 16 54.9 -26 53
Sun Jun 04/Mon Jun 05 100.8 16 27 25 19 34 21 08 3 42 5 15 13 35 20 10 20 34 ..... 98 18 00.1 -28 33
Mon Jun 05/Tue Jun 06 101.8 16 31 22 19 35 21 09 3 41 5 15 13 39 20 13 21 39 ..... 93 19 06.8 -28 17
Tue Jun 06/Wed Jun 07 102.8 16 35 18 19 35 21 09 3 41 5 15 13 44 20 17 22 35 ..... 86 20 12.1 -26 04
Wed Jun 07/Thu Jun 08 103.8 16 39 15 19 36 21 10 3 41 5 15 13 49 20 21 23 23 ..... 77 21 13.9 -22 11
Thu Jun 08/Fri Jun 09 104.8 16 43 11 19 36 21 10 3 41 5 15 13 53 20 24 0 03 ..... 67 22 11.2 -17 03
Fri Jun 09/Sat Jun 10 105.8 16 47 08 19 37 21 11 3 40 5 15 13 58 20 28 0 38 ..... 55 23 04.4 -11 07
Sat Jun 10/Sun Jun 11 106.8 16 51 04 19 37 21 12 3 40 5 15 14 02 20 32 1 09 ..... 44 23 54.7 - 4 46
Sun Jun 11/Mon Jun 12 107.8 16 55 01 19 38 21 12 3 40 5 15 14 07 20 36 1 38 ..... 33 0 43.2 1 38
Mon Jun 12/Tue Jun 13 108.8 16 58 57 19 38 21 13 3 40 5 15 14 11 20 40 2 07 ..... 24 1 31.3 7 49
Tue Jun 13/Wed Jun 14 109.8 17 02 54 19 38 21 13 3 40 5 15 14 16 20 44 2 38 ..... 15 2 19.9 13 30
Wed Jun 14/Thu Jun 15 110.8 17 06 51 19 39 21 14 3 40 5 15 14 20 20 47 3 12 ..... 8 3 09.9 18 28
Thu Jun 15/Fri Jun 16 111.8 17 10 47 19 39 21 14 3 40 5 15 14 24 20 51 3 50 17 41 4 4 01.8 22 28
Fri Jun 16/Sat Jun 17 112.8 17 14 44 19 39 21 14 3 40 5 15 14 29 20 55 4 33 18 43 1 4 55.5 25 18
Sat Jun 17/Sun Jun 18 113.8 17 18 40 19 40 21 15 3 40 5 15 14 33 20 59 5 22 19 43 0 5 50.3 26 49
Sun Jun 18/Mon Jun 19 114.8 17 22 37 19 40 21 15 3 40 5 15 14 37 21 04 6 16 20 38 1 6 45.1 26 58
Mon Jun 19/Tue Jun 20 115.8 17 26 33 19 40 21 15 3 40 5 16 14 41 21 08 ..... 21 27 4 7 38.7 25 47
Tue Jun 20/Wed Jun 21 116.8 17 30 30 19 40 21 16 3 41 5 16 14 46 21 12 ..... 22 09 9 8 30.1 23 24
Wed Jun 21/Thu Jun 22 117.8 17 34 26 19 41 21 16 3 41 5 16 14 50 21 16 ..... 22 44 15 9 18.9 20 01
Thu Jun 22/Fri Jun 23 118.8 17 38 23 19 41 21 16 3 41 5 16 14 54 21 20 ..... 23 16 22 10 05.2 15 49
Fri Jun 23/Sat Jun 24 119.8 17 42 20 19 41 21 16 3 41 5 17 14 58 21 24 ..... 23 43 31 10 49.6 10 59
Sat Jun 24/Sun Jun 25 120.8 17 46 16 19 41 21 16 3 42 5 17 15 02 21 29 ..... 0 09 40 11 32.7 5 41
Sun Jun 25/Mon Jun 26 121.8 17 50 13 19 41 21 16 3 42 5 17 15 06 21 33 ..... 0 35 49 12 15.6 0 05
Mon Jun 26/Tue Jun 27 122.8 17 54 09 19 41 21 16 3 43 5 17 15 10 21 37 ..... 1 00 59 12 59.4 - 5 41
Tue Jun 27/Wed Jun 28 123.8 17 58 06 19 42 21 16 3 43 5 18 15 14 21 42 ..... 1 28 69 13 45.2 -11 26
Wed Jun 28/Thu Jun 29 124.8 18 02 02 19 42 21 16 3 43 5 18 15 18 21 46 ..... 2 00 78 14 34.4 -16 54
Thu Jun 29/Fri Jun 30 125.8 18 05 59 19 42 21 16 3 44 5 19 15 22 21 50 ..... 2 37 86 15 28.0 -21 48
Fri Jun 30/Sat Jul 01 126.8 18 09 55 19 42 21 16 3 44 5 19 15 26 21 55 ..... 3 22 93 16 27.0 -25 42
***** 2023 JULY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sat Jul 01/Sun Jul 02 127.8 18 13 52 19 42 21 16 3 45 5 19 15 29 21 59 18 12 4 17 98 17 31.0 -28 07
Sun Jul 02/Mon Jul 03 128.8 18 17 49 19 42 21 16 3 45 5 20 15 33 22 04 19 21 5 23 100 18 38.4 -28 40
Mon Jul 03/Tue Jul 04 129.8 18 21 45 19 41 21 16 3 46 5 20 15 37 22 08 20 22 ..... 99 19 46.2 -27 09
Tue Jul 04/Wed Jul 05 130.8 18 25 42 19 41 21 15 3 47 5 21 15 41 22 13 21 15 ..... 95 20 51.5 -23 43
Wed Jul 05/Thu Jul 06 131.8 18 29 38 19 41 21 15 3 47 5 21 15 44 22 18 22 00 ..... 88 21 52.5 -18 46
Thu Jul 06/Fri Jul 07 132.8 18 33 35 19 41 21 15 3 48 5 22 15 48 22 22 22 37 ..... 79 22 48.9 -12 47
Fri Jul 07/Sat Jul 08 133.8 18 37 31 19 41 21 14 3 49 5 22 15 51 22 27 23 10 ..... 69 23 41.5 - 6 18
Sat Jul 08/Sun Jul 09 134.8 18 41 28 19 41 21 14 3 49 5 23 15 55 22 31 23 41 ..... 58 0 31.6 0 18
Sun Jul 09/Mon Jul 10 135.8 18 45 24 19 40 21 14 3 50 5 23 15 59 22 36 0 10 ..... 47 1 20.5 6 40
Mon Jul 10/Tue Jul 11 136.8 18 49 21 19 40 21 13 3 51 5 24 16 02 22 41 0 40 ..... 36 2 09.4 12 32
Tue Jul 11/Wed Jul 12 137.8 18 53 18 19 40 21 13 3 52 5 24 16 06 22 45 1 13 ..... 27 2 59.2 17 39
Wed Jul 12/Thu Jul 13 138.8 18 57 14 19 40 21 12 3 52 5 25 16 09 22 50 1 49 ..... 18 3 50.6 21 50
Thu Jul 13/Fri Jul 14 139.8 19 01 11 19 39 21 12 3 53 5 25 16 12 22 55 2 31 ..... 11 4 43.6 24 52
Fri Jul 14/Sat Jul 15 140.8 19 05 07 19 39 21 11 3 54 5 26 16 16 23 00 3 18 17 37 6 5 37.8 26 38
Sat Jul 15/Sun Jul 16 141.8 19 09 04 19 39 21 10 3 55 5 27 16 19 23 04 4 10 18 33 2 6 32.2 27 04
Sun Jul 16/Mon Jul 17 142.8 19 13 00 19 38 21 10 3 56 5 27 16 22 23 09 5 06 19 23 0 7 25.8 26 09
Mon Jul 17/Tue Jul 18 143.8 19 16 57 19 38 21 09 3 56 5 28 16 26 23 14 6 04 20 07 0 8 17.5 24 01
Tue Jul 18/Wed Jul 19 144.8 19 20 53 19 37 21 08 3 57 5 28 16 29 23 19 ..... 20 44 2 9 06.7 20 51
Wed Jul 19/Thu Jul 20 145.8 19 24 50 19 37 21 08 3 58 5 29 16 32 23 24 ..... 21 17 6 9 53.4 16 49
Thu Jul 20/Fri Jul 21 146.8 19 28 47 19 36 21 07 3 59 5 30 16 35 23 29 ..... 21 46 11 10 37.9 12 08
Fri Jul 21/Sat Jul 22 147.8 19 32 43 19 36 21 06 4 00 5 30 16 38 23 33 ..... 22 12 17 11 20.8 6 58
Sat Jul 22/Sun Jul 23 148.8 19 36 40 19 35 21 05 4 01 5 31 16 41 23 38 ..... 22 37 25 12 03.0 1 30
Sun Jul 23/Mon Jul 24 149.8 19 40 36 19 35 21 04 4 02 5 32 16 44 23 43 ..... 23 02 34 12 45.5 - 4 08
Mon Jul 24/Tue Jul 25 150.8 19 44 33 19 34 21 03 4 03 5 32 16 48 23 48 ..... 23 28 43 13 29.5 - 9 45
Tue Jul 25/Wed Jul 26 151.8 19 48 29 19 33 21 03 4 04 5 33 16 51 23 53 ..... 23 57 53 14 16.0 -15 11
Wed Jul 26/Thu Jul 27 152.8 19 52 26 19 33 21 02 4 05 5 34 16 54 23 58 ..... 0 31 64 15 06.3 -20 10
Thu Jul 27/Fri Jul 28 153.8 19 56 22 19 32 21 01 4 06 5 34 16 57 0 03 ..... 1 11 74 16 01.5 -24 22
Fri Jul 28/Sat Jul 29 154.8 20 00 19 19 31 21 00 4 06 5 35 16 59 0 07 ..... 2 00 83 17 02.0 -27 21
Sat Jul 29/Sun Jul 30 155.8 20 04 16 19 31 20 59 4 07 5 36 17 02 0 12 ..... 3 00 91 18 07.1 -28 43
Sun Jul 30/Mon Jul 31 156.8 20 08 12 19 30 20 58 4 08 5 36 17 05 0 17 18 04 4 09 96 19 14.7 -28 07
Mon Jul 31/Tue Aug 01 157.8 20 12 09 19 29 20 57 4 09 5 37 17 08 0 22 19 01 5 24 99 20 21.8 -25 27
***** 2023 AUGUST *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Aug 01/Wed Aug 02 158.8 20 16 05 19 28 20 55 4 10 5 38 17 11 0 27 19 50 ..... 99 21 25.9 -20 59
Wed Aug 02/Thu Aug 03 159.8 20 20 02 19 27 20 54 4 11 5 38 17 14 0 32 20 32 ..... 96 22 25.8 -15 10
Thu Aug 03/Fri Aug 04 160.8 20 23 58 19 27 20 53 4 12 5 39 17 17 0 37 21 08 ..... 90 23 21.7 - 8 34
Fri Aug 04/Sat Aug 05 161.8 20 27 55 19 26 20 52 4 13 5 40 17 20 0 42 21 40 ..... 82 0 14.5 - 1 40
Sat Aug 05/Sun Aug 06 162.8 20 31 51 19 25 20 51 4 14 5 40 17 22 0 47 22 11 ..... 72 1 05.5 5 05
Sun Aug 06/Mon Aug 07 163.8 20 35 48 19 24 20 50 4 15 5 41 17 25 0 52 22 41 ..... 62 1 56.0 11 19
Mon Aug 07/Tue Aug 08 164.8 20 39 45 19 23 20 49 4 16 5 42 17 28 0 56 23 14 ..... 51 2 46.8 16 47
Tue Aug 08/Wed Aug 09 165.8 20 43 41 19 22 20 47 4 17 5 42 17 31 1 01 23 49 ..... 41 3 38.8 21 17
Wed Aug 09/Thu Aug 10 166.8 20 47 38 19 21 20 46 4 18 5 43 17 33 1 06 0 29 ..... 31 4 32.0 24 36
Thu Aug 10/Fri Aug 11 167.8 20 51 34 19 20 20 45 4 19 5 44 17 36 1 11 1 14 ..... 22 5 26.3 26 37
Fri Aug 11/Sat Aug 12 168.8 20 55 31 19 19 20 44 4 20 5 44 17 39 1 16 2 05 ..... 15 6 20.9 27 17
Sat Aug 12/Sun Aug 13 169.8 20 59 27 19 18 20 42 4 21 5 45 17 41 1 21 3 00 17 21 8 7 14.6 26 37
Sun Aug 13/Mon Aug 14 170.8 21 03 24 19 17 20 41 4 22 5 46 17 44 1 26 3 58 18 06 4 8 06.6 24 42
Mon Aug 14/Tue Aug 15 171.8 21 07 20 19 16 20 40 4 23 5 46 17 47 1 31 4 56 18 45 1 8 56.1 21 42
Tue Aug 15/Wed Aug 16 172.8 21 11 17 19 15 20 39 4 23 5 47 17 49 1 35 5 53 19 19 0 9 43.2 17 49
Wed Aug 16/Thu Aug 17 173.8 21 15 14 19 14 20 37 4 24 5 48 17 52 1 40 ..... 19 49 1 10 28.0 13 14
Thu Aug 17/Fri Aug 18 174.8 21 19 10 19 13 20 36 4 25 5 48 17 54 1 45 ..... 20 16 3 11 11.0 8 08
Fri Aug 18/Sat Aug 19 175.8 21 23 07 19 12 20 34 4 26 5 49 17 57 1 50 ..... 20 41 7 11 53.1 2 43
Sat Aug 19/Sun Aug 20 176.8 21 27 03 19 11 20 33 4 27 5 49 18 00 1 55 ..... 21 06 13 12 35.1 - 2 52
Sun Aug 20/Mon Aug 21 177.8 21 31 00 19 10 20 32 4 28 5 50 18 02 2 00 ..... 21 31 20 13 18.0 - 8 27
Mon Aug 21/Tue Aug 22 178.8 21 34 56 19 08 20 30 4 29 5 51 18 05 2 04 ..... 21 58 28 14 02.9 -13 52
Tue Aug 22/Wed Aug 23 179.8 21 38 53 19 07 20 29 4 30 5 51 18 07 2 09 ..... 22 29 38 14 50.7 -18 52
Wed Aug 23/Thu Aug 24 180.8 21 42 49 19 06 20 28 4 31 5 52 18 10 2 14 ..... 23 06 48 15 42.6 -23 12
Thu Aug 24/Fri Aug 25 181.8 21 46 46 19 05 20 26 4 31 5 53 18 12 2 19 ..... 23 49 59 16 39.3 -26 32
Fri Aug 25/Sat Aug 26 182.8 21 50 43 19 04 20 25 4 32 5 53 18 15 2 24 ..... 0 43 69 17 40.6 -28 28
Sat Aug 26/Sun Aug 27 183.8 21 54 39 19 03 20 23 4 33 5 54 18 17 2 29 ..... 1 46 79 18 45.4 -28 39
Sun Aug 27/Mon Aug 28 184.8 21 58 36 19 01 20 22 4 34 5 55 18 20 2 33 ..... 2 56 88 19 51.3 -26 54
Mon Aug 28/Tue Aug 29 185.8 22 02 32 19 00 20 21 4 35 5 55 18 22 2 38 17 38 4 11 95 20 55.9 -23 14
Tue Aug 29/Wed Aug 30 186.8 22 06 29 18 59 20 19 4 36 5 56 18 25 2 43 18 23 5 27 99 21 57.5 -17 58
Wed Aug 30/Thu Aug 31 187.8 22 10 25 18 58 20 18 4 36 5 56 18 27 2 48 19 01 6 40 100 22 55.6 -11 33
Thu Aug 31/Fri Sep 01 188.8 22 14 22 18 56 20 16 4 37 5 57 18 30 2 52 19 35 ..... 98 23 50.8 - 4 32
***** 2023 SEPTEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Fri Sep 01/Sat Sep 02 189.8 22 18 18 18 55 20 15 4 38 5 58 18 32 2 57 20 07 ..... 93 0 44.0 2 35
Sat Sep 02/Sun Sep 03 190.8 22 22 15 18 54 20 13 4 39 5 58 18 35 3 02 20 39 ..... 85 1 36.4 9 19
Sun Sep 03/Mon Sep 04 191.8 22 26 12 18 53 20 12 4 40 5 59 18 37 3 07 21 11 ..... 76 2 28.9 15 21
Mon Sep 04/Tue Sep 05 192.8 22 30 08 18 51 20 10 4 40 6 00 18 40 3 11 21 47 ..... 66 3 22.4 20 21
Tue Sep 05/Wed Sep 06 193.8 22 34 05 18 50 20 09 4 41 6 00 18 42 3 16 22 26 ..... 56 4 17.0 24 09
Wed Sep 06/Thu Sep 07 194.8 22 38 01 18 49 20 08 4 42 6 01 18 45 3 21 23 10 ..... 46 5 12.4 26 34
Thu Sep 07/Fri Sep 08 195.8 22 41 58 18 47 20 06 4 43 6 01 18 47 3 25 24 00 ..... 36 6 08.0 27 34
Fri Sep 08/Sat Sep 09 196.8 22 45 54 18 46 20 05 4 44 6 02 18 50 3 30 0 54 ..... 27 7 02.6 27 11
Sat Sep 09/Sun Sep 10 197.8 22 49 51 18 45 20 03 4 44 6 03 18 52 3 35 1 51 ..... 19 7 55.3 25 30
Sun Sep 10/Mon Sep 11 198.8 22 53 47 18 44 20 02 4 45 6 03 18 55 3 40 2 49 ..... 12 8 45.5 22 41
Mon Sep 11/Tue Sep 12 199.8 22 57 44 18 42 20 00 4 46 6 04 18 57 3 44 3 47 17 22 7 9 33.1 18 57
Tue Sep 12/Wed Sep 13 200.8 23 01 41 18 41 19 59 4 47 6 04 19 00 3 49 4 43 17 52 3 10 18.3 14 28
Wed Sep 13/Thu Sep 14 201.8 23 05 37 18 40 19 57 4 47 6 05 19 02 3 54 5 39 18 20 1 11 01.8 9 26
Thu Sep 14/Fri Sep 15 202.8 23 09 34 18 38 19 56 4 48 6 06 19 05 3 58 6 34 18 45 0 11 44.1 4 01
Fri Sep 15/Sat Sep 16 203.8 23 13 30 18 37 19 55 4 49 6 06 19 07 4 03 ..... 19 10 1 12 26.1 - 1 35
Sat Sep 16/Sun Sep 17 204.8 23 17 27 18 36 19 53 4 49 6 07 19 10 4 08 ..... 19 35 4 13 08.7 - 7 13
Sun Sep 17/Mon Sep 18 205.8 23 21 23 18 34 19 52 4 50 6 08 19 12 4 12 ..... 20 02 9 13 52.9 -12 41
Mon Sep 18/Tue Sep 19 206.8 23 25 20 18 33 19 50 4 51 6 08 19 15 4 17 ..... 20 31 16 14 39.6 -17 47
Tue Sep 19/Wed Sep 20 207.8 23 29 16 18 32 19 49 4 52 6 09 19 17 4 22 ..... 21 05 24 15 29.8 -22 15
Wed Sep 20/Thu Sep 21 208.8 23 33 13 18 30 19 47 4 52 6 09 19 20 4 26 ..... 21 46 33 16 24.0 -25 47
Thu Sep 21/Fri Sep 22 209.8 23 37 10 18 29 19 46 4 53 6 10 19 22 4 31 ..... 22 34 44 17 22.4 -28 03
Fri Sep 22/Sat Sep 23 210.8 23 41 06 18 28 19 45 4 54 6 11 19 25 4 36 ..... 23 32 55 18 24.0 -28 46
Sat Sep 23/Sun Sep 24 211.8 23 45 03 18 26 19 43 4 54 6 11 19 28 4 40 ..... 0 37 66 19 27.2 -27 43
Sun Sep 24/Mon Sep 25 212.8 23 48 59 18 25 19 42 4 55 6 12 19 30 4 45 ..... 1 48 76 20 30.1 -24 51
Mon Sep 25/Tue Sep 26 213.8 23 52 56 18 24 19 40 4 56 6 13 19 33 4 49 ..... 3 02 86 21 30.9 -20 19
Tue Sep 26/Wed Sep 27 214.8 23 56 52 18 22 19 39 4 56 6 13 19 35 4 54 16 54 4 14 93 22 29.0 -14 29
Wed Sep 27/Thu Sep 28 215.8 0 00 49 18 21 19 38 4 57 6 14 19 38 4 59 17 30 5 25 98 23 24.6 - 7 44
Thu Sep 28/Fri Sep 29 216.8 0 04 45 18 20 19 36 4 58 6 14 19 40 5 03 18 02 6 35 100 0 18.5 - 0 36
Fri Sep 29/Sat Sep 30 217.8 0 08 42 18 18 19 35 4 58 6 15 19 43 5 08 18 34 ..... 99 1 11.7 6 29
Sat Sep 30/Sun Oct 01 218.8 0 12 39 18 17 19 34 4 59 6 16 19 46 5 13 19 06 ..... 95 2 05.3 13 02
***** 2023 OCTOBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Oct 01/Mon Oct 02 219.8 0 16 35 18 16 19 32 5 00 6 16 19 48 5 17 19 41 ..... 89 2 59.9 18 42
Mon Oct 02/Tue Oct 03 220.8 0 20 32 18 15 19 31 5 00 6 17 19 51 5 22 20 19 ..... 81 3 55.9 23 09
Tue Oct 03/Wed Oct 04 221.8 0 24 28 18 13 19 30 5 01 6 18 19 54 5 26 21 03 ..... 72 4 53.1 26 11
Wed Oct 04/Thu Oct 05 222.8 0 28 25 18 12 19 29 5 02 6 18 19 56 5 31 21 51 ..... 62 5 50.4 27 42
Thu Oct 05/Fri Oct 06 223.8 0 32 21 18 11 19 27 5 02 6 19 19 59 5 36 22 45 ..... 52 6 46.9 27 43
Fri Oct 06/Sat Oct 07 224.8 0 36 18 18 10 19 26 5 03 6 20 20 02 5 40 23 42 ..... 42 7 41.2 26 21
Sat Oct 07/Sun Oct 08 225.8 0 40 14 18 08 19 25 5 04 6 20 20 04 5 45 0 41 ..... 33 8 32.8 23 47
Sun Oct 08/Mon Oct 09 226.8 0 44 11 18 07 19 24 5 04 6 21 20 07 5 49 1 39 ..... 25 9 21.3 20 14
Mon Oct 09/Tue Oct 10 227.8 0 48 08 18 06 19 22 5 05 6 22 20 10 5 54 2 36 ..... 17 10 07.3 15 53
Tue Oct 10/Wed Oct 11 228.8 0 52 04 18 05 19 21 5 06 6 22 20 12 5 59 3 32 16 23 11 10 51.2 10 57
Wed Oct 11/Thu Oct 12 229.8 0 56 01 18 03 19 20 5 06 6 23 20 15 6 03 4 27 16 49 5 11 33.8 5 35
Thu Oct 12/Fri Oct 13 230.8 0 59 57 18 02 19 19 5 07 6 24 20 18 6 08 5 22 17 14 2 12 16.0 - 0 01
Fri Oct 13/Sat Oct 14 231.8 1 03 54 18 01 19 18 5 08 6 24 20 21 6 12 6 18 17 39 0 12 58.6 - 5 43
Sat Oct 14/Sun Oct 15 232.8 1 07 50 18 00 19 16 5 08 6 25 20 24 6 17 7 16 18 05 0 13 42.7 -11 18
Sun Oct 15/Mon Oct 16 233.8 1 11 47 17 59 19 15 5 09 6 26 20 26 6 22 ..... 18 34 2 14 29.2 -16 34
Mon Oct 16/Tue Oct 17 234.8 1 15 43 17 58 19 14 5 10 6 27 20 29 6 26 ..... 19 07 6 15 18.8 -21 13
Tue Oct 17/Wed Oct 18 235.8 1 19 40 17 56 19 13 5 10 6 27 20 32 6 31 ..... 19 45 12 16 12.2 -24 59
Wed Oct 18/Thu Oct 19 236.8 1 23 37 17 55 19 12 5 11 6 28 20 35 6 36 ..... 20 31 20 17 09.4 -27 33
Thu Oct 19/Fri Oct 20 237.8 1 27 33 17 54 19 11 5 12 6 29 20 38 6 40 ..... 21 26 29 18 09.5 -28 38
Fri Oct 20/Sat Oct 21 238.8 1 31 30 17 53 19 10 5 12 6 30 20 41 6 45 ..... 22 28 40 19 11.1 -28 01
Sat Oct 21/Sun Oct 22 239.8 1 35 26 17 52 19 09 5 13 6 30 20 44 6 49 ..... 23 36 51 20 12.3 -25 42
Sun Oct 22/Mon Oct 23 240.8 1 39 23 17 51 19 08 5 14 6 31 20 47 6 54 ..... 0 46 62 21 11.6 -21 47
Mon Oct 23/Tue Oct 24 241.8 1 43 19 17 50 19 07 5 15 6 32 20 50 6 59 ..... 1 56 73 22 08.3 -16 32
Tue Oct 24/Wed Oct 25 242.8 1 47 16 17 49 19 06 5 15 6 33 20 53 7 03 ..... 3 06 83 23 02.7 -10 19
Wed Oct 25/Thu Oct 26 243.8 1 51 12 17 48 19 05 5 16 6 33 20 56 7 08 ..... 4 14 91 23 55.4 - 3 29
Thu Oct 26/Fri Oct 27 244.8 1 55 09 17 47 19 04 5 17 6 34 20 59 7 13 16 30 5 22 97 0 47.6 3 31
Fri Oct 27/Sat Oct 28 245.8 1 59 06 17 46 19 03 5 17 6 35 21 02 7 17 17 01 6 30 100 1 40.3 10 18
Sat Oct 28/Sun Oct 29 246.8 2 03 02 17 45 19 03 5 18 6 36 21 05 7 22 17 35 7 39 100 2 34.5 16 25
Sun Oct 29/Mon Oct 30 247.8 2 06 59 17 44 19 02 5 19 6 37 21 08 7 27 18 11 ..... 97 3 30.6 21 30
Mon Oct 30/Tue Oct 31 248.8 2 10 55 17 43 19 01 5 19 6 37 21 11 7 31 18 53 ..... 92 4 28.6 25 15
Tue Oct 31/Wed Nov 01 249.8 2 14 52 17 42 19 00 5 20 6 38 21 14 7 36 19 40 ..... 86 5 27.5 27 27
***** 2023 NOVEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Nov 01/Thu Nov 02 250.8 2 18 48 17 41 18 59 5 21 6 39 21 17 7 41 20 33 ..... 78 6 26.0 28 02
Thu Nov 02/Fri Nov 03 251.8 2 22 45 17 41 18 59 5 22 6 40 21 20 7 45 21 30 ..... 69 7 22.7 27 07
Fri Nov 03/Sat Nov 04 252.8 2 26 41 17 40 18 58 5 22 6 41 21 24 7 50 22 29 ..... 59 8 16.3 24 53
Sat Nov 04/Sun Nov 05 253.8 2 30 38 17 39 18 57 5 23 6 42 21 27 7 55 23 28 ..... 50 9 06.6 21 34
Sun Nov 05/Mon Nov 06 254.8 2 34 35 17 38 18 56 5 24 6 42 21 30 7 59 0 26 ..... 40 9 53.7 17 25
Mon Nov 06/Tue Nov 07 255.8 2 38 31 17 37 18 56 5 25 6 43 21 34 8 04 1 22 ..... 31 10 38.4 12 37
Tue Nov 07/Wed Nov 08 256.8 2 42 28 17 37 18 55 5 25 6 44 21 37 8 09 2 17 ..... 23 11 21.3 7 21
Wed Nov 08/Thu Nov 09 257.8 2 46 24 17 36 18 55 5 26 6 45 21 40 8 13 3 12 ..... 16 12 03.5 1 48
Thu Nov 09/Fri Nov 10 258.8 2 50 21 17 35 18 54 5 27 6 46 21 44 8 18 4 08 ..... 9 12 46.1 - 3 54
Fri Nov 10/Sat Nov 11 259.8 2 54 17 17 35 18 53 5 28 6 47 21 47 8 23 5 05 16 07 4 13 29.8 - 9 34
Sat Nov 11/Sun Nov 12 260.8 2 58 14 17 34 18 53 5 28 6 47 21 50 8 27 6 05 16 35 1 14 15.9 -14 58
Sun Nov 12/Mon Nov 13 261.8 3 02 10 17 33 18 52 5 29 6 48 21 54 8 32 7 09 17 06 0 15 05.2 -19 52
Mon Nov 13/Tue Nov 14 262.8 3 06 07 17 33 18 52 5 30 6 49 21 57 8 37 ..... 17 43 1 15 58.4 -23 57
Tue Nov 14/Wed Nov 15 263.8 3 10 04 17 32 18 52 5 31 6 50 22 01 8 41 ..... 18 27 4 16 55.5 -26 52
Wed Nov 15/Thu Nov 16 264.8 3 14 00 17 32 18 51 5 31 6 51 22 04 8 46 ..... 19 20 9 17 55.8 -28 19
Thu Nov 16/Fri Nov 17 265.8 3 17 57 17 31 18 51 5 32 6 52 22 08 8 51 ..... 20 21 17 18 57.6 -28 04
Fri Nov 17/Sat Nov 18 266.8 3 21 53 17 31 18 50 5 33 6 53 22 11 8 56 ..... 21 28 26 19 58.9 -26 06
Sat Nov 18/Sun Nov 19 267.8 3 25 50 17 30 18 50 5 34 6 54 22 15 9 00 ..... 22 37 36 20 58.0 -22 34
Sun Nov 19/Mon Nov 20 268.8 3 29 46 17 30 18 50 5 34 6 54 22 19 9 05 ..... 23 47 47 21 54.2 -17 42
Mon Nov 20/Tue Nov 21 269.8 3 33 43 17 29 18 49 5 35 6 55 22 22 9 10 ..... 0 55 59 22 47.6 -11 52
Tue Nov 21/Wed Nov 22 270.8 3 37 39 17 29 18 49 5 36 6 56 22 26 9 14 ..... 2 01 70 23 39.0 - 5 24
Wed Nov 22/Thu Nov 23 271.8 3 41 36 17 29 18 49 5 37 6 57 22 30 9 19 ..... 3 07 80 0 29.4 1 20
Thu Nov 23/Fri Nov 24 272.8 3 45 33 17 28 18 49 5 37 6 58 22 33 9 24 ..... 4 13 88 1 20.2 8 00
Fri Nov 24/Sat Nov 25 273.8 3 49 29 17 28 18 49 5 38 6 59 22 37 9 28 ..... 5 20 95 2 12.4 14 14
Sat Nov 25/Sun Nov 26 274.8 3 53 26 17 28 18 48 5 39 7 00 22 41 9 33 16 06 6 28 98 3 06.8 19 40
Sun Nov 26/Mon Nov 27 275.8 3 57 22 17 28 18 48 5 40 7 00 22 45 9 38 16 45 7 36 100 4 03.6 23 56
Mon Nov 27/Tue Nov 28 276.8 4 01 19 17 27 18 48 5 40 7 01 22 49 9 43 17 29 ..... 99 5 02.5 26 47
Tue Nov 28/Wed Nov 29 277.8 4 05 15 17 27 18 48 5 41 7 02 22 53 9 47 18 20 ..... 96 6 02.0 28 01
Wed Nov 29/Thu Nov 30 278.8 4 09 12 17 27 18 48 5 42 7 03 22 56 9 52 19 16 ..... 90 7 00.5 27 40
Thu Nov 30/Fri Dec 01 279.8 4 13 08 17 27 18 48 5 43 7 04 23 00 9 57 20 15 ..... 84 7 56.4 25 52
***** 2023 DECEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 24, latitude (d.m) = 31 57.8
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 900 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: --------------
(2023 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Fri Dec 01/Sat Dec 02 280.8 4 17 05 17 27 18 48 5 43 7 05 23 04 10 01 21 15 ..... 76 8 48.8 22 51
Sat Dec 02/Sun Dec 03 281.8 4 21 02 17 27 18 48 5 44 7 05 23 08 10 06 22 14 ..... 67 9 37.7 18 54
Sun Dec 03/Mon Dec 04 282.8 4 24 58 17 27 18 48 5 45 7 06 23 12 10 11 23 11 ..... 58 10 23.5 14 15
Mon Dec 04/Tue Dec 05 283.8 4 28 55 17 27 18 48 5 45 7 07 23 16 10 15 0 07 ..... 49 11 07.0 9 06
Tue Dec 05/Wed Dec 06 284.8 4 32 51 17 27 18 48 5 46 7 08 23 20 10 20 1 01 ..... 39 11 49.4 3 39
Wed Dec 06/Thu Dec 07 285.8 4 36 48 17 27 18 49 5 47 7 09 23 25 10 25 1 56 ..... 30 12 31.5 - 1 59
Thu Dec 07/Fri Dec 08 286.8 4 40 44 17 27 18 49 5 47 7 09 23 29 10 29 2 52 ..... 22 13 14.6 - 7 38
Fri Dec 08/Sat Dec 09 287.8 4 44 41 17 27 18 49 5 48 7 10 23 33 10 34 3 50 ..... 14 13 59.6 -13 07
Sat Dec 09/Sun Dec 10 288.8 4 48 37 17 27 18 49 5 49 7 11 23 37 10 38 4 52 ..... 8 14 47.8 -18 12
Sun Dec 10/Mon Dec 11 289.8 4 52 34 17 27 18 49 5 49 7 12 23 41 10 43 5 57 ..... 3 15 39.9 -22 36
Mon Dec 11/Tue Dec 12 290.8 4 56 31 17 28 18 50 5 50 7 12 23 45 10 48 7 04 16 19 1 16 36.5 -25 56
Tue Dec 12/Wed Dec 13 291.8 5 00 27 17 28 18 50 5 51 7 13 23 50 10 52 8 11 17 09 0 17 36.9 -27 53
Wed Dec 13/Thu Dec 14 292.8 5 04 24 17 28 18 50 5 51 7 14 23 54 10 57 ..... 18 09 2 18 39.8 -28 07
Thu Dec 14/Fri Dec 15 293.8 5 08 20 17 28 18 51 5 52 7 14 23 58 11 01 ..... 19 16 7 19 42.7 -26 34
Fri Dec 15/Sat Dec 16 294.8 5 12 17 17 29 18 51 5 53 7 15 0 03 11 06 ..... 20 27 14 20 43.6 -23 18
Sat Dec 16/Sun Dec 17 295.8 5 16 13 17 29 18 51 5 53 7 15 0 07 11 10 ..... 21 38 22 21 41.2 -18 39
Sun Dec 17/Mon Dec 18 296.8 5 20 10 17 30 18 52 5 54 7 16 0 11 11 15 ..... 22 47 33 22 35.4 -12 58
Mon Dec 18/Tue Dec 19 297.8 5 24 06 17 30 18 52 5 54 7 17 0 16 11 19 ..... 23 54 44 23 26.9 - 6 39
Tue Dec 19/Wed Dec 20 298.8 5 28 03 17 30 18 53 5 55 7 17 0 20 11 24 ..... 1 00 55 0 16.8 - 0 03
Wed Dec 20/Thu Dec 21 299.8 5 32 00 17 31 18 53 5 55 7 18 0 24 11 28 ..... 2 04 66 1 06.3 6 31
Thu Dec 21/Fri Dec 22 300.8 5 35 56 17 31 18 54 5 56 7 18 0 29 11 33 ..... 3 09 76 1 56.8 12 43
Fri Dec 22/Sat Dec 23 301.8 5 39 53 17 32 18 54 5 56 7 19 0 33 11 37 ..... 4 15 85 2 49.0 18 14
Sat Dec 23/Sun Dec 24 302.8 5 43 49 17 32 18 55 5 57 7 19 0 38 11 42 ..... 5 22 92 3 43.8 22 46
Sun Dec 24/Mon Dec 25 303.8 5 47 46 17 33 18 55 5 57 7 19 0 42 11 46 ..... 6 27 97 4 41.0 26 01
Mon Dec 25/Tue Dec 26 304.8 5 51 42 17 33 18 56 5 58 7 20 0 47 11 50 16 10 7 28 99 5 39.8 27 47
Tue Dec 26/Wed Dec 27 305.8 5 55 39 17 34 18 56 5 58 7 20 0 51 11 55 17 04 8 22 100 6 38.6 27 58
Wed Dec 27/Thu Dec 28 306.8 5 59 35 17 35 18 57 5 58 7 21 0 56 11 59 18 02 ..... 98 7 35.7 26 38
Thu Dec 28/Fri Dec 29 307.8 6 03 32 17 35 18 58 5 59 7 21 1 00 12 03 19 03 ..... 95 8 29.8 23 58
Fri Dec 29/Sat Dec 30 308.8 6 07 29 17 36 18 58 5 59 7 21 1 05 12 08 20 02 ..... 89 9 20.4 20 16
Sat Dec 30/Sun Dec 31 309.8 6 11 25 17 37 18 59 5 59 7 22 1 09 12 12 21 01 ..... 83 10 07.6 15 46
Sun Dec 31/Mon Jan 01 310.8 6 15 22 17 37 18 59 6 00 7 22 1 14 12 16 21 57 ..... 75 10 52.1 10 43
Updated on January 3, 2022, 5:28 am