2026
***** 2026 JANUARY *****
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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Thu Jan 01/Fri Jan 02 1042.8 6 21 20 17 38 19 00 6 00 7 22 1 21 12 22 ..... 7 03 98 5 41.9 28 11
Fri Jan 02/Sat Jan 03 1043.8 6 25 17 17 39 19 01 6 00 7 22 1 26 12 27 16 44 8 03 100 6 50.5 27 14
Sat Jan 03/Sun Jan 04 1044.8 6 29 13 17 40 19 02 6 01 7 22 1 30 12 31 17 57 ..... 99 7 55.9 24 19
Sun Jan 04/Mon Jan 05 1045.8 6 33 10 17 41 19 03 6 01 7 23 1 35 12 35 19 10 ..... 95 8 56.2 19 51
Mon Jan 05/Tue Jan 06 1046.8 6 37 06 17 42 19 03 6 01 7 23 1 40 12 39 20 20 ..... 89 9 51.1 14 22
Tue Jan 06/Wed Jan 07 1047.8 6 41 03 17 42 19 04 6 01 7 23 1 44 12 43 21 25 ..... 81 10 41.3 8 23
Wed Jan 07/Thu Jan 08 1048.8 6 44 59 17 43 19 05 6 01 7 23 1 49 12 47 22 26 ..... 72 11 28.2 2 14
Thu Jan 08/Fri Jan 09 1049.8 6 48 56 17 44 19 05 6 01 7 23 1 54 12 51 23 24 ..... 63 12 13.1 - 3 48
Fri Jan 09/Sat Jan 10 1050.8 6 52 53 17 45 19 06 6 01 7 23 1 58 12 55 0 21 ..... 53 12 57.3 - 9 31
Sat Jan 10/Sun Jan 11 1051.8 6 56 49 17 46 19 07 6 01 7 23 2 03 12 59 1 17 ..... 43 13 41.7 -14 45
Sun Jan 11/Mon Jan 12 1052.8 7 00 46 17 46 19 08 6 01 7 23 2 08 13 03 2 14 ..... 34 14 27.4 -19 22
Mon Jan 12/Tue Jan 13 1053.8 7 04 42 17 47 19 08 6 01 7 22 2 12 13 07 3 11 ..... 26 15 15.0 -23 12
Tue Jan 13/Wed Jan 14 1054.8 7 08 39 17 48 19 09 6 01 7 22 2 17 13 11 4 09 ..... 18 16 04.8 -26 05
Wed Jan 14/Thu Jan 15 1055.8 7 12 35 17 49 19 10 6 01 7 22 2 22 13 15 5 05 ..... 11 16 56.8 -27 51
Thu Jan 15/Fri Jan 16 1056.8 7 16 32 17 50 19 11 6 01 7 22 2 27 13 19 5 58 ..... 6 17 50.4 -28 23
Fri Jan 16/Sat Jan 17 1057.8 7 20 28 17 51 19 12 6 01 7 22 2 31 13 23 6 47 15 54 2 18 44.4 -27 35
Sat Jan 17/Sun Jan 18 1058.8 7 24 25 17 52 19 12 6 01 7 21 2 36 13 26 7 30 16 52 0 19 37.8 -25 29
Sun Jan 18/Mon Jan 19 1059.8 7 28 22 17 53 19 13 6 01 7 21 2 41 13 30 8 08 17 53 0 20 29.7 -22 09
Mon Jan 19/Tue Jan 20 1060.8 7 32 18 17 54 19 14 6 01 7 21 2 45 13 34 ..... 18 55 2 21 19.7 -17 47
Tue Jan 20/Wed Jan 21 1061.8 7 36 15 17 54 19 15 6 00 7 21 2 50 13 38 ..... 19 57 6 22 07.9 -12 34
Wed Jan 21/Thu Jan 22 1062.8 7 40 11 17 55 19 15 6 00 7 20 2 55 13 41 ..... 20 58 12 22 54.9 - 6 44
Thu Jan 22/Fri Jan 23 1063.8 7 44 08 17 56 19 16 6 00 7 20 3 00 13 45 ..... 21 59 19 23 41.6 - 0 32
Fri Jan 23/Sat Jan 24 1064.8 7 48 04 17 57 19 17 6 00 7 19 3 04 13 49 ..... 23 01 29 0 29.0 5 49
Sat Jan 24/Sun Jan 25 1065.8 7 52 01 17 58 19 18 5 59 7 19 3 09 13 52 ..... 0 06 39 1 18.5 12 00
Sun Jan 25/Mon Jan 26 1066.8 7 55 57 17 59 19 19 5 59 7 18 3 14 13 56 ..... 1 14 50 2 11.1 17 43
Mon Jan 26/Tue Jan 27 1067.8 7 59 54 18 00 19 19 5 58 7 18 3 19 13 59 ..... 2 24 62 3 08.0 22 35
Tue Jan 27/Wed Jan 28 1068.8 8 03 51 18 01 19 20 5 58 7 17 3 23 14 03 ..... 3 36 73 4 09.5 26 09
Wed Jan 28/Thu Jan 29 1069.8 8 07 47 18 02 19 21 5 58 7 17 3 28 14 06 ..... 4 45 82 5 14.7 28 01
Thu Jan 29/Fri Jan 30 1070.8 8 11 44 18 03 19 22 5 57 7 16 3 33 14 10 ..... 5 47 91 6 21.5 27 54
Fri Jan 30/Sat Jan 31 1071.8 8 15 40 18 04 19 23 5 57 7 16 3 38 14 13 ..... 6 40 96 7 27.0 25 48
Sat Jan 31/Sun Feb 01 1072.8 8 19 37 18 04 19 23 5 56 7 15 3 42 14 17 16 45 7 25 99 8 28.9 21 58
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Feb 01/Mon Feb 02 1073.8 8 23 33 18 05 19 24 5 56 7 14 3 47 14 20 17 56 8 01 100 9 26.1 16 52
Mon Feb 02/Tue Feb 03 1074.8 8 27 30 18 06 19 25 5 55 7 14 3 52 14 23 19 04 ..... 98 10 18.8 10 58
Tue Feb 03/Wed Feb 04 1075.8 8 31 26 18 07 19 26 5 54 7 13 3 57 14 27 20 08 ..... 93 11 07.9 4 42
Wed Feb 04/Thu Feb 05 1076.8 8 35 23 18 08 19 27 5 54 7 12 4 01 14 30 21 09 ..... 87 11 54.6 - 1 35
Thu Feb 05/Fri Feb 06 1077.8 8 39 20 18 09 19 27 5 53 7 11 4 06 14 33 22 07 ..... 79 12 40.1 - 7 37
Fri Feb 06/Sat Feb 07 1078.8 8 43 16 18 10 19 28 5 53 7 11 4 11 14 37 23 05 ..... 70 13 25.5 -13 12
Sat Feb 07/Sun Feb 08 1079.8 8 47 13 18 11 19 29 5 52 7 10 4 15 14 40 0 03 ..... 61 14 11.6 -18 09
Sun Feb 08/Mon Feb 09 1080.8 8 51 09 18 12 19 30 5 51 7 09 4 20 14 43 1 01 ..... 52 14 59.3 -22 18
Mon Feb 09/Tue Feb 10 1081.8 8 55 06 18 13 19 30 5 50 7 08 4 25 14 46 1 58 ..... 42 15 49.0 -25 32
Tue Feb 10/Wed Feb 11 1082.8 8 59 02 18 13 19 31 5 50 7 07 4 30 14 50 2 55 ..... 33 16 40.6 -27 39
Wed Feb 11/Thu Feb 12 1083.8 9 02 59 18 14 19 32 5 49 7 06 4 34 14 53 3 50 ..... 25 17 33.9 -28 34
Thu Feb 12/Fri Feb 13 1084.8 9 06 55 18 15 19 33 5 48 7 06 4 39 14 56 4 40 ..... 17 18 27.9 -28 09
Fri Feb 13/Sat Feb 14 1085.8 9 10 52 18 16 19 34 5 47 7 05 4 44 14 59 5 26 ..... 10 19 21.7 -26 25
Sat Feb 14/Sun Feb 15 1086.8 9 14 49 18 17 19 34 5 46 7 04 4 48 15 02 6 06 ..... 5 20 14.3 -23 25
Sun Feb 15/Mon Feb 16 1087.8 9 18 45 18 18 19 35 5 45 7 03 4 53 15 05 6 41 16 43 2 21 05.2 -19 18
Mon Feb 16/Tue Feb 17 1088.8 9 22 42 18 19 19 36 5 45 7 02 4 58 15 08 7 13 17 45 0 21 54.5 -14 13
Tue Feb 17/Wed Feb 18 1089.8 9 26 38 18 19 19 37 5 44 7 01 5 03 15 11 7 42 18 48 1 22 42.5 - 8 26
Wed Feb 18/Thu Feb 19 1090.8 9 30 35 18 20 19 37 5 43 7 00 5 07 15 14 ..... 19 50 4 23 29.9 - 2 10
Thu Feb 19/Fri Feb 20 1091.8 9 34 31 18 21 19 38 5 42 6 59 5 12 15 17 ..... 20 53 9 0 17.8 4 16
Fri Feb 20/Sat Feb 21 1092.8 9 38 28 18 22 19 39 5 41 6 58 5 17 15 20 ..... 21 58 16 1 07.2 10 36
Sat Feb 21/Sun Feb 22 1093.8 9 42 24 18 23 19 40 5 40 6 57 5 21 15 23 ..... 23 06 25 1 59.2 16 28
Sun Feb 22/Mon Feb 23 1094.8 9 46 21 18 23 19 40 5 39 6 56 5 26 15 26 ..... 0 16 35 2 54.7 21 32
Mon Feb 23/Tue Feb 24 1095.8 9 50 18 18 24 19 41 5 38 6 54 5 31 15 29 ..... 1 26 47 3 54.2 25 23
Tue Feb 24/Wed Feb 25 1096.8 9 54 14 18 25 19 42 5 37 6 53 5 35 15 32 ..... 2 35 58 4 57.0 27 39
Wed Feb 25/Thu Feb 26 1097.8 9 58 11 18 26 19 43 5 36 6 52 5 40 15 35 ..... 3 39 69 6 01.6 28 04
Thu Feb 26/Fri Feb 27 1098.8 10 02 07 18 27 19 43 5 35 6 51 5 45 15 38 ..... 4 33 79 7 05.6 26 37
Fri Feb 27/Sat Feb 28 1099.8 10 06 04 18 27 19 44 5 33 6 50 5 49 15 40 ..... 5 19 88 8 06.9 23 25
Sat Feb 28/Sun Mar 01 1100.8 10 10 00 18 28 19 45 5 32 6 49 5 54 15 43 ..... 5 58 94 9 04.2 18 51
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Mar 01/Mon Mar 02 1101.8 10 13 57 18 29 19 46 5 31 6 48 5 59 15 46 16 46 6 31 98 9 57.6 13 18
Mon Mar 02/Tue Mar 03 1102.8 10 17 53 18 30 19 46 5 30 6 47 6 03 15 49 17 51 7 00 100 10 47.6 7 11
Tue Mar 03/Wed Mar 04 1103.8 10 21 50 18 30 19 47 5 29 6 45 6 08 15 52 18 53 7 28 99 11 35.2 0 51
Wed Mar 04/Thu Mar 05 1104.8 10 25 47 18 31 19 48 5 28 6 44 6 13 15 54 19 52 ..... 96 12 21.4 - 5 22
Thu Mar 05/Fri Mar 06 1105.8 10 29 43 18 32 19 48 5 27 6 43 6 17 15 57 20 51 ..... 91 13 07.4 -11 14
Fri Mar 06/Sat Mar 07 1106.8 10 33 40 18 33 19 49 5 25 6 42 6 22 16 00 21 49 ..... 85 13 53.9 -16 32
Sat Mar 07/Sun Mar 08 1107.8 10 37 36 18 33 19 50 5 24 6 41 6 27 16 03 22 48 ..... 77 14 41.8 -21 05
Sun Mar 08/Mon Mar 09 1108.8 10 41 33 18 34 19 51 5 23 6 39 6 32 16 05 23 46 ..... 69 15 31.4 -24 42
Mon Mar 09/Tue Mar 10 1109.8 10 45 29 18 35 19 51 5 22 6 38 6 36 16 08 0 44 ..... 60 16 22.9 -27 14
Tue Mar 10/Wed Mar 11 1110.8 10 49 26 18 36 19 52 5 20 6 37 6 41 16 11 1 40 ..... 50 17 16.0 -28 34
Wed Mar 11/Thu Mar 12 1111.8 10 53 22 18 36 19 53 5 19 6 36 6 46 16 13 2 32 ..... 41 18 09.8 -28 36
Thu Mar 12/Fri Mar 13 1112.8 10 57 19 18 37 19 54 5 18 6 34 6 50 16 16 3 19 ..... 32 19 03.5 -27 19
Fri Mar 13/Sat Mar 14 1113.8 11 01 16 18 38 19 54 5 16 6 33 6 55 16 19 4 01 ..... 23 19 56.3 -24 45
Sat Mar 14/Sun Mar 15 1114.8 11 05 12 18 38 19 55 5 15 6 32 7 00 16 21 4 38 ..... 15 20 47.6 -21 01
Sun Mar 15/Mon Mar 16 1115.8 11 09 09 18 39 19 56 5 14 6 31 7 04 16 24 5 11 ..... 9 21 37.4 -16 16
Mon Mar 16/Tue Mar 17 1116.8 11 13 05 18 40 19 57 5 13 6 29 7 09 16 26 5 41 ..... 4 22 26.0 -10 41
Tue Mar 17/Wed Mar 18 1117.8 11 17 02 18 41 19 57 5 11 6 28 7 14 16 29 6 11 17 34 1 23 14.0 - 4 30
Wed Mar 18/Thu Mar 19 1118.8 11 20 58 18 41 19 58 5 10 6 27 7 18 16 32 6 40 18 38 0 0 02.5 2 00
Thu Mar 19/Fri Mar 20 1119.8 11 24 55 18 42 19 59 5 09 6 25 7 23 16 34 7 11 19 44 2 0 52.3 8 32
Fri Mar 20/Sat Mar 21 1120.8 11 28 51 18 43 20 00 5 07 6 24 7 28 16 37 ..... 20 53 6 1 44.7 14 42
Sat Mar 21/Sun Mar 22 1121.8 11 32 48 18 43 20 00 5 06 6 23 7 33 16 39 ..... 22 04 13 2 40.4 20 07
Sun Mar 22/Mon Mar 23 1122.8 11 36 45 18 44 20 01 5 04 6 22 7 37 16 42 ..... 23 16 22 3 39.8 24 22
Mon Mar 23/Tue Mar 24 1123.8 11 40 41 18 45 20 02 5 03 6 20 7 42 16 45 ..... 0 27 32 4 42.4 27 03
Tue Mar 24/Wed Mar 25 1124.8 11 44 38 18 45 20 03 5 02 6 19 7 47 16 47 ..... 1 33 43 5 46.7 27 54
Wed Mar 25/Thu Mar 26 1125.8 11 48 34 18 46 20 04 5 00 6 18 7 51 16 50 ..... 2 30 55 6 50.3 26 54
Thu Mar 26/Fri Mar 27 1126.8 11 52 31 18 47 20 04 4 59 6 16 7 56 16 52 ..... 3 18 66 7 51.3 24 10
Fri Mar 27/Sat Mar 28 1127.8 11 56 27 18 47 20 05 4 58 6 15 8 01 16 55 ..... 3 58 76 8 48.4 20 02
Sat Mar 28/Sun Mar 29 1128.8 12 00 24 18 48 20 06 4 56 6 14 8 06 16 57 ..... 4 32 85 9 41.5 14 52
Sun Mar 29/Mon Mar 30 1129.8 12 04 20 18 49 20 07 4 55 6 13 8 10 17 00 ..... 5 02 92 10 31.3 9 02
Mon Mar 30/Tue Mar 31 1130.8 12 08 17 18 49 20 08 4 53 6 11 8 15 17 02 ..... 5 29 97 11 18.7 2 53
Tue Mar 31/Wed Apr 01 1131.8 12 12 14 18 50 20 08 4 52 6 10 8 20 17 05 17 41 5 56 99 12 04.7 - 3 19
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Apr 01/Thu Apr 02 1132.8 12 16 10 18 51 20 09 4 50 6 09 8 25 17 07 18 39 6 23 100 12 50.4 - 9 17
Thu Apr 02/Fri Apr 03 1133.8 12 20 07 18 51 20 10 4 49 6 08 8 29 17 10 19 37 6 52 98 13 36.8 -14 49
Fri Apr 03/Sat Apr 04 1134.8 12 24 03 18 52 20 11 4 48 6 06 8 34 17 12 20 36 ..... 95 14 24.4 -19 40
Sat Apr 04/Sun Apr 05 1135.8 12 28 00 18 53 20 12 4 46 6 05 8 39 17 15 21 35 ..... 90 15 13.9 -23 38
Sun Apr 05/Mon Apr 06 1136.8 12 31 56 18 54 20 13 4 45 6 04 8 44 17 18 22 33 ..... 83 16 05.3 -26 34
Mon Apr 06/Tue Apr 07 1137.8 12 35 53 18 54 20 13 4 43 6 03 8 49 17 20 23 30 ..... 76 16 58.2 -28 19
Tue Apr 07/Wed Apr 08 1138.8 12 39 49 18 55 20 14 4 42 6 01 8 53 17 23 0 23 ..... 67 17 52.0 -28 47
Wed Apr 08/Thu Apr 09 1139.8 12 43 46 18 56 20 15 4 41 6 00 8 58 17 25 1 12 ..... 58 18 45.8 -27 56
Thu Apr 09/Fri Apr 10 1140.8 12 47 43 18 56 20 16 4 39 5 59 9 03 17 28 1 55 ..... 49 19 38.5 -25 48
Fri Apr 10/Sat Apr 11 1141.8 12 51 39 18 57 20 17 4 38 5 58 9 08 17 30 2 33 ..... 39 20 29.8 -22 31
Sat Apr 11/Sun Apr 12 1142.8 12 55 36 18 58 20 18 4 36 5 56 9 13 17 33 3 07 ..... 29 21 19.4 -18 11
Sun Apr 12/Mon Apr 13 1143.8 12 59 32 18 58 20 19 4 35 5 55 9 18 17 35 3 38 ..... 21 22 07.8 -12 58
Mon Apr 13/Tue Apr 14 1144.8 13 03 29 18 59 20 20 4 34 5 54 9 22 17 38 4 08 ..... 13 22 55.5 - 7 04
Tue Apr 14/Wed Apr 15 1145.8 13 07 25 19 00 20 20 4 32 5 53 9 27 17 40 4 37 ..... 6 23 43.6 - 0 42
Wed Apr 15/Thu Apr 16 1146.8 13 11 22 19 00 20 21 4 31 5 52 9 32 17 43 5 08 17 24 2 0 33.0 5 51
Thu Apr 16/Fri Apr 17 1147.8 13 15 18 19 01 20 22 4 29 5 50 9 37 17 45 5 41 18 32 0 1 25.0 12 15
Fri Apr 17/Sat Apr 18 1148.8 13 19 15 19 02 20 23 4 28 5 49 9 42 17 48 6 20 19 43 1 2 20.6 18 05
Sat Apr 18/Sun Apr 19 1149.8 13 23 12 19 03 20 24 4 27 5 48 9 47 17 51 ..... 20 57 5 3 20.2 22 51
Sun Apr 19/Mon Apr 20 1150.8 13 27 08 19 03 20 25 4 25 5 47 9 52 17 53 ..... 22 12 11 4 23.6 26 06
Mon Apr 20/Tue Apr 21 1151.8 13 31 05 19 04 20 26 4 24 5 46 9 56 17 56 ..... 23 22 19 5 29.1 27 31
Tue Apr 21/Wed Apr 22 1152.8 13 35 01 19 05 20 27 4 23 5 45 10 01 17 58 ..... 0 24 29 6 34.3 26 58
Wed Apr 22/Thu Apr 23 1153.8 13 38 58 19 05 20 28 4 21 5 44 10 06 18 01 ..... 1 16 40 7 36.7 24 37
Thu Apr 23/Fri Apr 24 1154.8 13 42 54 19 06 20 29 4 20 5 43 10 11 18 04 ..... 1 59 51 8 34.9 20 46
Fri Apr 24/Sat Apr 25 1155.8 13 46 51 19 07 20 30 4 19 5 42 10 16 18 06 ..... 2 34 62 9 28.6 15 52
Sat Apr 25/Sun Apr 26 1156.8 13 50 47 19 07 20 31 4 17 5 41 10 21 18 09 ..... 3 05 72 10 18.6 10 15
Sun Apr 26/Mon Apr 27 1157.8 13 54 44 19 08 20 32 4 16 5 40 10 26 18 11 ..... 3 33 81 11 05.8 4 16
Mon Apr 27/Tue Apr 28 1158.8 13 58 41 19 09 20 33 4 15 5 39 10 31 18 14 ..... 4 00 89 11 51.4 - 1 48
Tue Apr 28/Wed Apr 29 1159.8 14 02 37 19 10 20 34 4 14 5 38 10 36 18 17 ..... 4 26 94 12 36.5 - 7 44
Wed Apr 29/Thu Apr 30 1160.8 14 06 34 19 10 20 35 4 12 5 37 10 41 18 20 17 29 4 54 98 13 22.1 -13 19
Thu Apr 30/Fri May 01 1161.8 14 10 30 19 11 20 36 4 11 5 36 10 46 18 22 18 27 5 24 100 14 09.1 -18 20
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Fri May 01/Sat May 02 1162.8 14 14 27 19 12 20 37 4 10 5 35 10 51 18 25 19 25 5 58 99 14 57.9 -22 34
Sat May 02/Sun May 03 1163.8 14 18 23 19 13 20 38 4 09 5 34 10 56 18 28 20 24 6 37 97 15 48.9 -25 49
Sun May 03/Mon May 04 1164.8 14 22 20 19 13 20 39 4 07 5 33 11 00 18 30 21 21 ..... 94 16 41.6 -27 55
Mon May 04/Tue May 05 1165.8 14 26 16 19 14 20 40 4 06 5 32 11 05 18 33 22 16 ..... 88 17 35.5 -28 45
Tue May 05/Wed May 06 1166.8 14 30 13 19 15 20 41 4 05 5 31 11 10 18 36 23 06 ..... 82 18 29.5 -28 17
Wed May 06/Thu May 07 1167.8 14 34 10 19 15 20 42 4 04 5 30 11 15 18 39 23 51 ..... 74 19 22.5 -26 31
Thu May 07/Fri May 08 1168.8 14 38 06 19 16 20 43 4 03 5 29 11 20 18 42 0 30 ..... 65 20 13.8 -23 35
Fri May 08/Sat May 09 1169.8 14 42 03 19 17 20 44 4 02 5 29 11 25 18 44 1 05 ..... 55 21 03.3 -19 37
Sat May 09/Sun May 10 1170.8 14 45 59 19 18 20 45 4 01 5 28 11 30 18 47 1 37 ..... 45 21 51.2 -14 46
Sun May 10/Mon May 11 1171.8 14 49 56 19 18 20 46 4 00 5 27 11 35 18 50 2 06 ..... 35 22 38.2 - 9 13
Mon May 11/Tue May 12 1172.8 14 53 52 19 19 20 47 3 59 5 26 11 40 18 53 2 34 ..... 26 23 25.1 - 3 09
Tue May 12/Wed May 13 1173.8 14 57 49 19 20 20 48 3 58 5 26 11 45 18 56 3 04 ..... 17 0 13.1 3 14
Wed May 13/Thu May 14 1174.8 15 01 45 19 20 20 49 3 57 5 25 11 50 18 59 3 35 ..... 9 1 03.4 9 37
Thu May 14/Fri May 15 1175.8 15 05 42 19 21 20 50 3 56 5 24 11 55 19 02 4 11 ..... 4 1 57.3 15 39
Fri May 15/Sat May 16 1176.8 15 09 39 19 22 20 51 3 55 5 23 12 00 19 05 4 53 18 31 1 2 55.6 20 53
Sat May 16/Sun May 17 1177.8 15 13 35 19 23 20 52 3 54 5 23 12 05 19 08 5 44 19 47 0 3 58.5 24 48
Sun May 17/Mon May 18 1178.8 15 17 32 19 23 20 53 3 53 5 22 12 10 19 11 ..... 21 02 3 5 04.8 26 56
Mon May 18/Tue May 19 1179.8 15 21 28 19 24 20 54 3 52 5 22 12 15 19 14 ..... 22 10 9 6 12.1 27 03
Tue May 19/Wed May 20 1180.8 15 25 25 19 25 20 55 3 51 5 21 12 19 19 17 ..... 23 08 17 7 17.3 25 10
Wed May 20/Thu May 21 1181.8 15 29 21 19 25 20 55 3 50 5 20 12 24 19 20 ..... 23 56 26 8 18.3 21 38
Thu May 21/Fri May 22 1182.8 15 33 18 19 26 20 56 3 49 5 20 12 29 19 23 ..... 0 34 37 9 14.2 16 53
Fri May 22/Sat May 23 1183.8 15 37 14 19 27 20 57 3 49 5 19 12 34 19 27 ..... 1 07 48 10 05.7 11 22
Sat May 23/Sun May 24 1184.8 15 41 11 19 27 20 58 3 48 5 19 12 39 19 30 ..... 1 36 58 10 53.8 5 27
Sun May 24/Mon May 25 1185.8 15 45 08 19 28 20 59 3 47 5 19 12 44 19 33 ..... 2 03 68 11 39.7 - 0 36
Mon May 25/Tue May 26 1186.8 15 49 04 19 29 21 00 3 47 5 18 12 49 19 36 ..... 2 30 77 12 24.6 - 6 31
Tue May 26/Wed May 27 1187.8 15 53 01 19 29 21 01 3 46 5 18 12 53 19 40 ..... 2 57 85 13 09.6 -12 07
Wed May 27/Thu May 28 1188.8 15 56 57 19 30 21 02 3 45 5 17 12 58 19 43 ..... 3 26 91 13 55.8 -17 13
Thu May 28/Fri May 29 1189.8 16 00 54 19 30 21 03 3 45 5 17 13 03 19 46 ..... 3 59 96 14 43.8 -21 36
Fri May 29/Sat May 30 1190.8 16 04 50 19 31 21 03 3 44 5 17 13 08 19 50 18 17 4 36 99 15 34.0 -25 05
Sat May 30/Sun May 31 1191.8 16 08 47 19 32 21 04 3 44 5 16 13 13 19 53 19 15 5 19 100 16 26.3 -27 29
Sun May 31/Mon Jun 01 1192.8 16 12 43 19 32 21 05 3 43 5 16 13 17 19 57 20 10 6 07 99 17 20.1 -28 39
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Mon Jun 01/Tue Jun 02 1193.8 16 16 40 19 33 21 06 3 43 5 16 13 22 20 00 21 02 ..... 96 18 14.4 -28 30
Tue Jun 02/Wed Jun 03 1194.8 16 20 37 19 33 21 07 3 42 5 16 13 27 20 04 21 48 ..... 92 19 07.9 -27 03
Wed Jun 03/Thu Jun 04 1195.8 16 24 33 19 34 21 07 3 42 5 15 13 31 20 07 22 29 ..... 86 19 59.8 -24 23
Thu Jun 04/Fri Jun 05 1196.8 16 28 30 19 34 21 08 3 42 5 15 13 36 20 11 23 05 ..... 79 20 49.6 -20 40
Fri Jun 05/Sat Jun 06 1197.8 16 32 26 19 35 21 09 3 41 5 15 13 41 20 14 23 37 ..... 70 21 37.5 -16 04
Sat Jun 06/Sun Jun 07 1198.8 16 36 23 19 35 21 09 3 41 5 15 13 45 20 18 0 06 ..... 61 22 24.0 -10 46
Sun Jun 07/Mon Jun 08 1199.8 16 40 19 19 36 21 10 3 41 5 15 13 50 20 22 0 34 ..... 51 23 09.9 - 4 57
Mon Jun 08/Tue Jun 09 1200.8 16 44 16 19 36 21 11 3 41 5 15 13 54 20 25 1 02 ..... 40 23 56.4 1 12
Tue Jun 09/Wed Jun 10 1201.8 16 48 12 19 37 21 11 3 40 5 15 13 59 20 29 1 31 ..... 30 0 44.5 7 26
Wed Jun 10/Thu Jun 11 1202.8 16 52 09 19 37 21 12 3 40 5 15 14 03 20 33 2 04 ..... 20 1 35.8 13 28
Thu Jun 11/Fri Jun 12 1203.8 16 56 06 19 38 21 12 3 40 5 15 14 08 20 37 2 42 ..... 12 2 31.2 18 56
Fri Jun 12/Sat Jun 13 1204.8 17 00 02 19 38 21 13 3 40 5 15 14 12 20 41 3 28 ..... 5 3 31.6 23 20
Sat Jun 13/Sun Jun 14 1205.8 17 03 59 19 38 21 13 3 40 5 15 14 17 20 45 4 24 18 35 1 4 36.6 26 12
Sun Jun 14/Mon Jun 15 1206.8 17 07 55 19 39 21 14 3 40 5 15 14 21 20 49 5 30 19 47 0 5 44.3 27 07
Mon Jun 15/Tue Jun 16 1207.8 17 11 52 19 39 21 14 3 40 5 15 14 26 20 53 ..... 20 52 2 6 51.6 25 57
Tue Jun 16/Wed Jun 17 1208.8 17 15 48 19 39 21 14 3 40 5 15 14 30 20 57 ..... 21 46 7 7 55.7 22 54
Wed Jun 17/Thu Jun 18 1209.8 17 19 45 19 40 21 15 3 40 5 15 14 34 21 01 ..... 22 29 14 8 54.9 18 23
Thu Jun 18/Fri Jun 19 1210.8 17 23 41 19 40 21 15 3 40 5 15 14 38 21 05 ..... 23 06 23 9 49.1 12 56
Fri Jun 19/Sat Jun 20 1211.8 17 27 38 19 40 21 15 3 41 5 16 14 43 21 09 ..... 23 37 33 10 39.2 6 57
Sat Jun 20/Sun Jun 21 1212.8 17 31 35 19 41 21 16 3 41 5 16 14 47 21 13 ..... 0 05 43 11 26.4 0 49
Sun Jun 21/Mon Jun 22 1213.8 17 35 31 19 41 21 16 3 41 5 16 14 51 21 17 ..... 0 33 53 12 12.0 - 5 12
Mon Jun 22/Tue Jun 23 1214.8 17 39 28 19 41 21 16 3 41 5 16 14 55 21 21 ..... 1 00 63 12 57.2 -10 55
Tue Jun 23/Wed Jun 24 1215.8 17 43 24 19 41 21 16 3 42 5 17 14 59 21 26 ..... 1 29 73 13 43.1 -16 08
Wed Jun 24/Thu Jun 25 1216.8 17 47 21 19 41 21 16 3 42 5 17 15 03 21 30 ..... 2 00 81 14 30.4 -20 41
Thu Jun 25/Fri Jun 26 1217.8 17 51 17 19 41 21 16 3 42 5 17 15 07 21 34 ..... 2 36 88 15 19.9 -24 23
Fri Jun 26/Sat Jun 27 1218.8 17 55 14 19 41 21 16 3 43 5 18 15 11 21 38 ..... 3 17 93 16 11.5 -27 02
Sat Jun 27/Sun Jun 28 1219.8 17 59 10 19 42 21 16 3 43 5 18 15 15 21 43 18 05 4 03 97 17 04.9 -28 30
Sun Jun 28/Mon Jun 29 1220.8 18 03 07 19 42 21 16 3 44 5 18 15 19 21 47 18 58 4 55 99 17 59.3 -28 41
Mon Jun 29/Tue Jun 30 1221.8 18 07 04 19 42 21 16 3 44 5 19 15 23 21 52 19 46 5 51 100 18 53.3 -27 32
Tue Jun 30/Wed Jul 01 1222.8 18 11 00 19 42 21 16 3 45 5 19 15 27 21 56 20 29 ..... 98 19 46.0 -25 07
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Wed Jul 01/Thu Jul 02 1223.8 18 14 57 19 42 21 16 3 45 5 19 15 30 22 01 21 06 ..... 95 20 36.7 -21 36
Thu Jul 02/Fri Jul 03 1224.8 18 18 53 19 42 21 16 3 46 5 20 15 34 22 05 21 39 ..... 90 21 25.3 -17 10
Fri Jul 03/Sat Jul 04 1225.8 18 22 50 19 41 21 16 3 46 5 20 15 38 22 10 22 09 ..... 83 22 12.1 -11 59
Sat Jul 04/Sun Jul 05 1226.8 18 26 46 19 41 21 15 3 47 5 21 15 42 22 14 22 37 ..... 75 22 57.9 - 6 17
Sun Jul 05/Mon Jul 06 1227.8 18 30 43 19 41 21 15 3 47 5 21 15 45 22 19 23 04 ..... 66 23 43.5 - 0 15
Mon Jul 06/Tue Jul 07 1228.8 18 34 39 19 41 21 15 3 48 5 22 15 49 22 23 23 32 ..... 55 0 30.3 5 53
Tue Jul 07/Wed Jul 08 1229.8 18 38 36 19 41 21 14 3 49 5 22 15 52 22 28 0 02 ..... 44 1 19.4 11 52
Wed Jul 08/Thu Jul 09 1230.8 18 42 33 19 41 21 14 3 50 5 23 15 56 22 33 0 36 ..... 33 2 12.0 17 24
Thu Jul 09/Fri Jul 10 1231.8 18 46 29 19 40 21 13 3 50 5 23 16 00 22 37 1 17 ..... 23 3 09.1 22 04
Fri Jul 10/Sat Jul 11 1232.8 18 50 26 19 40 21 13 3 51 5 24 16 03 22 42 2 07 ..... 14 4 11.1 25 26
Sat Jul 11/Sun Jul 12 1233.8 18 54 22 19 40 21 13 3 52 5 24 16 06 22 47 3 07 ..... 7 5 16.8 27 05
Sun Jul 12/Mon Jul 13 1234.8 18 58 19 19 40 21 12 3 53 5 25 16 10 22 51 4 17 18 32 2 6 23.9 26 43
Mon Jul 13/Tue Jul 14 1235.8 19 02 15 19 39 21 11 3 53 5 26 16 13 22 56 5 32 19 31 0 7 29.5 24 21
Tue Jul 14/Wed Jul 15 1236.8 19 06 12 19 39 21 11 3 54 5 26 16 17 23 01 ..... 20 20 1 8 31.2 20 19
Wed Jul 15/Thu Jul 16 1237.8 19 10 08 19 38 21 10 3 55 5 27 16 20 23 06 ..... 21 00 5 9 28.1 15 04
Thu Jul 16/Fri Jul 17 1238.8 19 14 05 19 38 21 10 3 56 5 27 16 23 23 11 ..... 21 34 11 10 20.7 9 06
Fri Jul 17/Sat Jul 18 1239.8 19 18 02 19 38 21 09 3 57 5 28 16 26 23 15 ..... 22 05 19 11 09.9 2 50
Sat Jul 18/Sun Jul 19 1240.8 19 21 58 19 37 21 08 3 58 5 29 16 30 23 20 ..... 22 33 28 11 56.8 - 3 23
Sun Jul 19/Mon Jul 20 1241.8 19 25 55 19 37 21 07 3 58 5 29 16 33 23 25 ..... 23 01 38 12 42.9 - 9 20
Mon Jul 20/Tue Jul 21 1242.8 19 29 51 19 36 21 07 3 59 5 30 16 36 23 30 ..... 23 29 48 13 29.0 -14 47
Tue Jul 21/Wed Jul 22 1243.8 19 33 48 19 36 21 06 4 00 5 30 16 39 23 35 ..... 0 00 58 14 16.2 -19 33
Wed Jul 22/Thu Jul 23 1244.8 19 37 44 19 35 21 05 4 01 5 31 16 42 23 40 ..... 0 35 67 15 05.2 -23 30
Thu Jul 23/Fri Jul 24 1245.8 19 41 41 19 34 21 04 4 02 5 32 16 45 23 44 ..... 1 14 76 15 56.2 -26 27
Fri Jul 24/Sat Jul 25 1246.8 19 45 37 19 34 21 03 4 03 5 32 16 48 23 49 ..... 1 58 83 16 49.0 -28 15
Sat Jul 25/Sun Jul 26 1247.8 19 49 34 19 33 21 02 4 04 5 33 16 51 23 54 ..... 2 49 90 17 43.1 -28 47
Sun Jul 26/Mon Jul 27 1248.8 19 53 31 19 32 21 01 4 05 5 34 16 54 23 59 17 43 3 43 95 18 37.4 -28 00
Mon Jul 27/Tue Jul 28 1249.8 19 57 27 19 32 21 00 4 06 5 34 16 57 0 04 18 28 4 41 98 19 30.7 -25 54
Tue Jul 28/Wed Jul 29 1250.8 20 01 24 19 31 20 59 4 07 5 35 17 00 0 09 19 07 5 41 100 20 22.4 -22 38
Wed Jul 29/Thu Jul 30 1251.8 20 05 20 19 30 20 58 4 08 5 36 17 03 0 14 19 41 ..... 100 21 12.0 -18 21
Thu Jul 30/Fri Jul 31 1252.8 20 09 17 19 30 20 57 4 09 5 36 17 06 0 19 20 12 ..... 97 21 59.7 -13 16
Fri Jul 31/Sat Aug 01 1253.8 20 13 13 19 29 20 56 4 10 5 37 17 09 0 23 20 41 ..... 93 22 46.2 - 7 36
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sat Aug 01/Sun Aug 02 1254.8 20 17 10 19 28 20 55 4 11 5 38 17 12 0 28 21 08 ..... 87 23 32.2 - 1 33
Sun Aug 02/Mon Aug 03 1255.8 20 21 06 19 27 20 54 4 11 5 38 17 15 0 33 21 35 ..... 79 0 18.7 4 37
Mon Aug 03/Tue Aug 04 1256.8 20 25 03 19 26 20 53 4 12 5 39 17 18 0 38 22 04 ..... 69 1 06.9 10 39
Tue Aug 04/Wed Aug 05 1257.8 20 29 00 19 25 20 52 4 13 5 40 17 20 0 43 22 36 ..... 58 1 58.0 16 16
Wed Aug 05/Thu Aug 06 1258.8 20 32 56 19 25 20 51 4 14 5 40 17 23 0 48 23 14 ..... 47 2 52.9 21 07
Thu Aug 06/Fri Aug 07 1259.8 20 36 53 19 24 20 49 4 15 5 41 17 26 0 53 23 58 ..... 36 3 52.1 24 49
Fri Aug 07/Sat Aug 08 1260.8 20 40 49 19 23 20 48 4 16 5 42 17 29 0 58 0 52 ..... 25 4 55.2 26 57
Sat Aug 08/Sun Aug 09 1261.8 20 44 46 19 22 20 47 4 17 5 42 17 31 1 03 1 56 ..... 16 6 00.4 27 15
Sun Aug 09/Mon Aug 10 1262.8 20 48 42 19 21 20 46 4 18 5 43 17 34 1 08 3 07 ..... 8 7 05.4 25 36
Mon Aug 10/Tue Aug 11 1263.8 20 52 39 19 20 20 45 4 19 5 44 17 37 1 12 4 21 18 09 3 8 07.7 22 12
Tue Aug 11/Wed Aug 12 1264.8 20 56 35 19 19 20 43 4 20 5 44 17 39 1 17 5 34 18 53 0 9 06.0 17 23
Wed Aug 12/Thu Aug 13 1265.8 21 00 32 19 18 20 42 4 21 5 45 17 42 1 22 6 44 19 30 0 10 00.2 11 38
Thu Aug 13/Fri Aug 14 1266.8 21 04 29 19 17 20 41 4 22 5 46 17 45 1 27 ..... 20 02 3 10 50.9 5 22
Fri Aug 14/Sat Aug 15 1267.8 21 08 25 19 16 20 39 4 23 5 46 17 47 1 32 ..... 20 31 8 11 39.2 - 1 00
Sat Aug 15/Sun Aug 16 1268.8 21 12 22 19 15 20 38 4 24 5 47 17 50 1 37 ..... 21 00 15 12 26.2 - 7 11
Sun Aug 16/Mon Aug 17 1269.8 21 16 18 19 14 20 37 4 25 5 48 17 53 1 42 ..... 21 29 23 13 12.9 -12 55
Mon Aug 17/Tue Aug 18 1270.8 21 20 15 19 13 20 35 4 25 5 48 17 55 1 46 ..... 21 59 32 14 00.3 -18 01
Tue Aug 18/Wed Aug 19 1271.8 21 24 11 19 12 20 34 4 26 5 49 17 58 1 51 ..... 22 33 42 14 49.1 -22 18
Wed Aug 19/Thu Aug 20 1272.8 21 28 08 19 10 20 33 4 27 5 50 18 00 1 56 ..... 23 10 51 15 39.7 -25 35
Thu Aug 20/Fri Aug 21 1273.8 21 32 04 19 09 20 31 4 28 5 50 18 03 2 01 ..... 23 53 61 16 32.0 -27 46
Fri Aug 21/Sat Aug 22 1274.8 21 36 01 19 08 20 30 4 29 5 51 18 05 2 06 ..... 0 41 70 17 25.6 -28 42
Sat Aug 22/Sun Aug 23 1275.8 21 39 58 19 07 20 29 4 30 5 52 18 08 2 11 ..... 1 34 78 18 19.7 -28 19
Sun Aug 23/Mon Aug 24 1276.8 21 43 54 19 06 20 27 4 31 5 52 18 11 2 15 ..... 2 31 85 19 13.2 -26 39
Mon Aug 24/Tue Aug 25 1277.8 21 47 51 19 05 20 26 4 32 5 53 18 13 2 20 ..... 3 31 92 20 05.4 -23 44
Tue Aug 25/Wed Aug 26 1278.8 21 51 47 19 03 20 24 4 33 5 54 18 16 2 25 17 41 4 30 96 20 55.8 -19 45
Wed Aug 26/Thu Aug 27 1279.8 21 55 44 19 02 20 23 4 33 5 54 18 18 2 30 18 14 5 30 99 21 44.5 -14 51
Thu Aug 27/Fri Aug 28 1280.8 21 59 40 19 01 20 22 4 34 5 55 18 21 2 35 18 43 6 30 100 22 31.9 - 9 15
Fri Aug 28/Sat Aug 29 1281.8 22 03 37 19 00 20 20 4 35 5 55 18 23 2 39 19 11 ..... 99 23 18.8 - 3 10
Sat Aug 29/Sun Aug 30 1282.8 22 07 33 18 59 20 19 4 36 5 56 18 26 2 44 19 39 ..... 95 0 05.9 3 07
Sun Aug 30/Mon Aug 31 1283.8 22 11 30 18 57 20 17 4 37 5 57 18 28 2 49 20 08 ..... 89 0 54.5 9 19
Mon Aug 31/Tue Sep 01 1284.8 22 15 27 18 56 20 16 4 37 5 57 18 31 2 54 20 39 ..... 81 1 45.5 15 09
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Sep 01/Wed Sep 02 1285.8 22 19 23 18 55 20 14 4 38 5 58 18 33 2 58 21 14 ..... 72 2 39.8 20 15
Wed Sep 02/Thu Sep 03 1286.8 22 23 20 18 54 20 13 4 39 5 59 18 36 3 03 21 56 ..... 61 3 37.9 24 15
Thu Sep 03/Fri Sep 04 1287.8 22 27 16 18 52 20 11 4 40 5 59 18 38 3 08 22 46 ..... 50 4 39.6 26 46
Fri Sep 04/Sat Sep 05 1288.8 22 31 13 18 51 20 10 4 41 6 00 18 41 3 13 23 46 ..... 38 5 43.4 27 32
Sat Sep 05/Sun Sep 06 1289.8 22 35 09 18 50 20 09 4 41 6 00 18 43 3 17 0 52 ..... 27 6 47.3 26 26
Sun Sep 06/Mon Sep 07 1290.8 22 39 06 18 48 20 07 4 42 6 01 18 46 3 22 2 03 ..... 18 7 49.0 23 35
Mon Sep 07/Tue Sep 08 1291.8 22 43 02 18 47 20 06 4 43 6 02 18 48 3 27 3 15 ..... 10 8 47.3 19 17
Tue Sep 08/Wed Sep 09 1292.8 22 46 59 18 46 20 04 4 44 6 02 18 51 3 31 4 24 17 26 4 9 41.7 13 54
Wed Sep 09/Thu Sep 10 1293.8 22 50 56 18 45 20 03 4 44 6 03 18 53 3 36 5 31 17 59 1 10 32.9 7 52
Thu Sep 10/Fri Sep 11 1294.8 22 54 52 18 43 20 01 4 45 6 03 18 56 3 41 6 35 18 30 0 11 21.6 1 32
Fri Sep 11/Sat Sep 12 1295.8 22 58 49 18 42 20 00 4 46 6 04 18 58 3 46 ..... 18 58 2 12 09.0 - 4 44
Sat Sep 12/Sun Sep 13 1296.8 23 02 45 18 41 19 58 4 47 6 05 19 01 3 50 ..... 19 27 5 12 56.0 -10 42
Sun Sep 13/Mon Sep 14 1297.8 23 06 42 18 39 19 57 4 47 6 05 19 03 3 55 ..... 19 57 11 13 43.5 -16 05
Mon Sep 14/Tue Sep 15 1298.8 23 10 38 18 38 19 56 4 48 6 06 19 06 4 00 ..... 20 30 18 14 32.1 -20 43
Tue Sep 15/Wed Sep 16 1299.8 23 14 35 18 37 19 54 4 49 6 06 19 08 4 04 ..... 21 06 26 15 22.5 -24 23
Wed Sep 16/Thu Sep 17 1300.8 23 18 31 18 35 19 53 4 50 6 07 19 11 4 09 ..... 21 47 35 16 14.4 -26 57
Thu Sep 17/Fri Sep 18 1301.8 23 22 28 18 34 19 51 4 50 6 08 19 13 4 14 ..... 22 34 44 17 07.5 -28 18
Fri Sep 18/Sat Sep 19 1302.8 23 26 25 18 33 19 50 4 51 6 08 19 16 4 18 ..... 23 25 53 18 01.2 -28 22
Sat Sep 19/Sun Sep 20 1303.8 23 30 21 18 31 19 48 4 52 6 09 19 18 4 23 ..... 0 20 63 18 54.5 -27 09
Sun Sep 20/Mon Sep 21 1304.8 23 34 18 18 30 19 47 4 52 6 10 19 21 4 28 ..... 1 18 72 19 46.7 -24 42
Mon Sep 21/Tue Sep 22 1305.8 23 38 14 18 29 19 46 4 53 6 10 19 23 4 32 ..... 2 17 80 20 37.3 -21 08
Tue Sep 22/Wed Sep 23 1306.8 23 42 11 18 27 19 44 4 54 6 11 19 26 4 37 ..... 3 17 87 21 26.3 -16 34
Wed Sep 23/Thu Sep 24 1307.8 23 46 07 18 26 19 43 4 55 6 11 19 28 4 41 16 43 4 17 93 22 14.1 -11 13
Thu Sep 24/Fri Sep 25 1308.8 23 50 04 18 25 19 41 4 55 6 12 19 31 4 46 17 12 5 17 98 23 01.4 - 5 16
Fri Sep 25/Sat Sep 26 1309.8 23 54 00 18 23 19 40 4 56 6 13 19 33 4 51 17 40 6 18 100 23 49.0 1 02
Sat Sep 26/Sun Sep 27 1310.8 23 57 57 18 22 19 39 4 57 6 13 19 36 4 55 18 09 7 22 100 0 38.0 7 25
Sun Sep 27/Mon Sep 28 1311.8 0 01 54 18 21 19 37 4 57 6 14 19 39 5 00 18 40 ..... 97 1 29.5 13 33
Mon Sep 28/Tue Sep 29 1312.8 0 05 50 18 19 19 36 4 58 6 15 19 41 5 05 19 14 ..... 91 2 24.3 19 02
Tue Sep 29/Wed Sep 30 1313.8 0 09 47 18 18 19 35 4 59 6 15 19 44 5 09 19 55 ..... 84 3 22.8 23 27
Wed Sep 30/Thu Oct 01 1314.8 0 13 43 18 17 19 33 4 59 6 16 19 46 5 14 20 43 ..... 74 4 24.9 26 24
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Thu Oct 01/Fri Oct 02 1315.8 0 17 40 18 16 19 32 5 00 6 17 19 49 5 18 21 40 ..... 64 5 29.1 27 35
Fri Oct 02/Sat Oct 03 1316.8 0 21 36 18 14 19 31 5 01 6 17 19 52 5 23 22 45 ..... 52 6 33.3 26 54
Sat Oct 03/Sun Oct 04 1317.8 0 25 33 18 13 19 29 5 01 6 18 19 54 5 28 23 54 ..... 41 7 35.2 24 27
Sun Oct 04/Mon Oct 05 1318.8 0 29 29 18 12 19 28 5 02 6 18 19 57 5 32 1 04 ..... 30 8 33.5 20 31
Mon Oct 05/Tue Oct 06 1319.8 0 33 26 18 10 19 27 5 03 6 19 20 00 5 37 2 12 ..... 20 9 27.9 15 30
Tue Oct 06/Wed Oct 07 1320.8 0 37 23 18 09 19 26 5 03 6 20 20 02 5 41 3 18 ..... 12 10 18.8 9 45
Wed Oct 07/Thu Oct 08 1321.8 0 41 19 18 08 19 24 5 04 6 20 20 05 5 46 4 21 16 30 6 11 07.2 3 37
Thu Oct 08/Fri Oct 09 1322.8 0 45 16 18 07 19 23 5 05 6 21 20 08 5 51 5 23 16 59 2 11 54.2 - 2 35
Fri Oct 09/Sat Oct 10 1323.8 0 49 12 18 06 19 22 5 05 6 22 20 10 5 55 6 24 17 27 0 12 40.8 - 8 35
Sat Oct 10/Sun Oct 11 1324.8 0 53 09 18 04 19 21 5 06 6 23 20 13 6 00 7 24 17 56 1 13 27.8 -14 08
Sun Oct 11/Mon Oct 12 1325.8 0 57 05 18 03 19 20 5 07 6 23 20 16 6 05 ..... 18 28 3 14 16.0 -19 00
Mon Oct 12/Tue Oct 13 1326.8 1 01 02 18 02 19 18 5 07 6 24 20 19 6 09 ..... 19 03 7 15 05.8 -23 00
Tue Oct 13/Wed Oct 14 1327.8 1 04 58 18 01 19 17 5 08 6 25 20 22 6 14 ..... 19 42 13 15 57.3 -25 56
Wed Oct 14/Thu Oct 15 1328.8 1 08 55 18 00 19 16 5 09 6 25 20 24 6 18 ..... 20 27 20 16 50.2 -27 41
Thu Oct 15/Fri Oct 16 1329.8 1 12 52 17 58 19 15 5 09 6 26 20 27 6 23 ..... 21 16 28 17 43.5 -28 09
Fri Oct 16/Sat Oct 17 1330.8 1 16 48 17 57 19 14 5 10 6 27 20 30 6 28 ..... 22 10 36 18 36.5 -27 22
Sat Oct 17/Sun Oct 18 1331.8 1 20 45 17 56 19 13 5 11 6 28 20 33 6 32 ..... 23 06 46 19 28.4 -25 21
Sun Oct 18/Mon Oct 19 1332.8 1 24 41 17 55 19 12 5 11 6 28 20 36 6 37 ..... 0 05 55 20 18.7 -22 13
Mon Oct 19/Tue Oct 20 1333.8 1 28 38 17 54 19 11 5 12 6 29 20 39 6 41 ..... 1 03 65 21 07.3 -18 06
Tue Oct 20/Wed Oct 21 1334.8 1 32 34 17 53 19 10 5 13 6 30 20 42 6 46 ..... 2 02 74 21 54.7 -13 09
Wed Oct 21/Thu Oct 22 1335.8 1 36 31 17 52 19 09 5 13 6 31 20 44 6 51 ..... 3 01 82 22 41.4 - 7 31
Thu Oct 22/Fri Oct 23 1336.8 1 40 27 17 51 19 08 5 14 6 31 20 47 6 55 ..... 4 01 90 23 28.5 - 1 25
Fri Oct 23/Sat Oct 24 1337.8 1 44 24 17 50 19 07 5 15 6 32 20 50 7 00 ..... 5 04 95 0 16.9 4 57
Sat Oct 24/Sun Oct 25 1338.8 1 48 21 17 49 19 06 5 15 6 33 20 53 7 05 16 37 6 10 99 1 07.8 11 15
Sun Oct 25/Mon Oct 26 1339.8 1 52 17 17 48 19 05 5 16 6 34 20 56 7 09 17 11 7 20 100 2 02.3 17 07
Mon Oct 26/Tue Oct 27 1340.8 1 56 14 17 47 19 04 5 17 6 34 20 59 7 14 17 50 ..... 98 3 01.2 22 04
Tue Oct 27/Wed Oct 28 1341.8 2 00 10 17 46 19 03 5 18 6 35 21 03 7 19 18 36 ..... 93 4 04.3 25 38
Wed Oct 28/Thu Oct 29 1342.8 2 04 07 17 45 19 02 5 18 6 36 21 06 7 23 19 32 ..... 86 5 10.4 27 25
Thu Oct 29/Fri Oct 30 1343.8 2 08 03 17 44 19 01 5 19 6 37 21 09 7 28 20 36 ..... 77 6 16.8 27 12
Fri Oct 30/Sat Oct 31 1344.8 2 12 00 17 43 19 01 5 20 6 38 21 12 7 33 21 45 ..... 67 7 20.9 25 06
Sat Oct 31/Sun Nov 01 1345.8 2 15 56 17 42 19 00 5 20 6 38 21 15 7 37 22 56 ..... 56 8 21.0 21 26
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Sun Nov 01/Mon Nov 02 1346.8 2 19 53 17 41 18 59 5 21 6 39 21 18 7 42 0 05 ..... 44 9 16.5 16 36
Mon Nov 02/Tue Nov 03 1347.8 2 23 50 17 40 18 58 5 22 6 40 21 21 7 47 1 11 ..... 34 10 07.9 11 00
Tue Nov 03/Wed Nov 04 1348.8 2 27 46 17 39 18 58 5 23 6 41 21 25 7 51 2 14 ..... 24 10 56.4 5 01
Wed Nov 04/Thu Nov 05 1349.8 2 31 43 17 39 18 57 5 23 6 42 21 28 7 56 3 14 ..... 16 11 43.0 - 1 05
Thu Nov 05/Fri Nov 06 1350.8 2 35 39 17 38 18 56 5 24 6 43 21 31 8 01 4 14 ..... 9 12 28.9 - 7 01
Fri Nov 06/Sat Nov 07 1351.8 2 39 36 17 37 18 56 5 25 6 43 21 34 8 05 5 14 15 58 4 13 15.2 -12 35
Sat Nov 07/Sun Nov 08 1352.8 2 43 32 17 36 18 55 5 26 6 44 21 38 8 10 6 14 16 28 1 14 02.5 -17 34
Sun Nov 08/Mon Nov 09 1353.8 2 47 29 17 36 18 54 5 26 6 45 21 41 8 15 7 14 17 01 0 14 51.6 -21 45
Mon Nov 09/Tue Nov 10 1354.8 2 51 25 17 35 18 54 5 27 6 46 21 44 8 19 ..... 17 39 1 15 42.4 -24 57
Tue Nov 10/Wed Nov 11 1355.8 2 55 22 17 34 18 53 5 28 6 47 21 48 8 24 ..... 18 21 4 16 34.7 -27 01
Wed Nov 11/Thu Nov 12 1356.8 2 59 19 17 34 18 53 5 28 6 48 21 51 8 29 ..... 19 09 8 17 27.9 -27 50
Thu Nov 12/Fri Nov 13 1357.8 3 03 15 17 33 18 52 5 29 6 49 21 55 8 33 ..... 20 02 14 18 20.8 -27 23
Fri Nov 13/Sat Nov 14 1358.8 3 07 12 17 33 18 52 5 30 6 49 21 58 8 38 ..... 20 57 21 19 12.6 -25 43
Sat Nov 14/Sun Nov 15 1359.8 3 11 08 17 32 18 51 5 31 6 50 22 02 8 43 ..... 21 54 29 20 02.6 -22 56
Sun Nov 15/Mon Nov 16 1360.8 3 15 05 17 31 18 51 5 31 6 51 22 05 8 47 ..... 22 52 38 20 50.8 -19 12
Mon Nov 16/Tue Nov 17 1361.8 3 19 01 17 31 18 51 5 32 6 52 22 09 8 52 ..... 23 49 47 21 37.3 -14 38
Tue Nov 17/Wed Nov 18 1362.8 3 22 58 17 30 18 50 5 33 6 53 22 12 8 57 ..... 0 47 57 22 22.9 - 9 24
Wed Nov 18/Thu Nov 19 1363.8 3 26 54 17 30 18 50 5 34 6 54 22 16 9 02 ..... 1 45 67 23 08.5 - 3 38
Thu Nov 19/Fri Nov 20 1364.8 3 30 51 17 30 18 50 5 35 6 55 22 20 9 06 ..... 2 45 76 23 55.0 2 27
Fri Nov 20/Sat Nov 21 1365.8 3 34 48 17 29 18 49 5 35 6 56 22 23 9 11 ..... 3 48 85 0 43.8 8 40
Sat Nov 21/Sun Nov 22 1366.8 3 38 44 17 29 18 49 5 36 6 56 22 27 9 16 ..... 4 55 92 1 36.1 14 40
Sun Nov 22/Mon Nov 23 1367.8 3 42 41 17 28 18 49 5 37 6 57 22 31 9 20 ..... 6 07 97 2 33.1 20 03
Mon Nov 23/Tue Nov 24 1368.8 3 46 37 17 28 18 49 5 38 6 58 22 34 9 25 16 24 7 21 100 3 35.3 24 18
Tue Nov 24/Wed Nov 25 1369.8 3 50 34 17 28 18 49 5 38 6 59 22 38 9 30 17 16 ..... 99 4 42.1 26 54
Wed Nov 25/Thu Nov 26 1370.8 3 54 30 17 28 18 48 5 39 7 00 22 42 9 34 18 19 ..... 96 5 51.0 27 28
Thu Nov 26/Fri Nov 27 1371.8 3 58 27 17 27 18 48 5 40 7 01 22 46 9 39 19 29 ..... 89 6 58.8 25 56
Fri Nov 27/Sat Nov 28 1372.8 4 02 23 17 27 18 48 5 41 7 02 22 50 9 44 20 42 ..... 81 8 02.8 22 34
Sat Nov 28/Sun Nov 29 1373.8 4 06 20 17 27 18 48 5 41 7 02 22 54 9 49 21 54 ..... 71 9 01.7 17 50
Sun Nov 29/Mon Nov 30 1374.8 4 10 17 17 27 18 48 5 42 7 03 22 58 9 53 23 03 ..... 60 9 55.6 12 14
Mon Nov 30/Tue Dec 01 1375.8 4 14 13 17 27 18 48 5 43 7 04 23 01 9 58 0 08 ..... 49 10 45.6 6 12
***** 2026 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: --------------
(2026 at start) (-2460000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Dec 01/Wed Dec 02 1376.8 4 18 10 17 27 18 48 5 43 7 05 23 05 10 03 1 09 ..... 38 11 33.0 0 04
Wed Dec 02/Thu Dec 03 1377.8 4 22 06 17 27 18 48 5 44 7 06 23 09 10 07 2 09 ..... 28 12 19.1 - 5 55
Thu Dec 03/Fri Dec 04 1378.8 4 26 03 17 27 18 48 5 45 7 06 23 13 10 12 3 08 ..... 20 13 05.1 -11 31
Fri Dec 04/Sat Dec 05 1379.8 4 29 59 17 27 18 48 5 46 7 07 23 18 10 17 4 07 ..... 13 13 51.8 -16 34
Sat Dec 05/Sun Dec 06 1380.8 4 33 56 17 27 18 49 5 46 7 08 23 22 10 21 5 07 ..... 7 14 40.0 -20 52
Sun Dec 06/Mon Dec 07 1381.8 4 37 52 17 27 18 49 5 47 7 09 23 26 10 26 6 06 ..... 3 15 30.1 -24 14
Mon Dec 07/Tue Dec 08 1382.8 4 41 49 17 27 18 49 5 48 7 10 23 30 10 30 7 03 16 19 1 16 21.8 -26 31
Tue Dec 08/Wed Dec 09 1383.8 4 45 46 17 27 18 49 5 48 7 10 23 34 10 35 7 57 17 05 0 17 14.6 -27 36
Wed Dec 09/Thu Dec 10 1384.8 4 49 42 17 27 18 49 5 49 7 11 23 38 10 40 ..... 17 56 1 18 07.4 -27 25
Thu Dec 10/Fri Dec 11 1385.8 4 53 39 17 28 18 50 5 50 7 12 23 42 10 44 ..... 18 50 4 18 59.4 -26 01
Fri Dec 11/Sat Dec 12 1386.8 4 57 35 17 28 18 50 5 50 7 12 23 47 10 49 ..... 19 47 9 19 49.6 -23 30
Sat Dec 12/Sun Dec 13 1387.8 5 01 32 17 28 18 50 5 51 7 13 23 51 10 53 ..... 20 44 15 20 37.7 -20 00
Sun Dec 13/Mon Dec 14 1388.8 5 05 28 17 28 18 50 5 51 7 14 23 55 10 58 ..... 21 41 22 21 24.0 -15 41
Mon Dec 14/Tue Dec 15 1389.8 5 09 25 17 29 18 51 5 52 7 14 23 59 11 02 ..... 22 38 31 22 08.8 -10 44
Tue Dec 15/Wed Dec 16 1390.8 5 13 21 17 29 18 51 5 53 7 15 0 04 11 07 ..... 23 34 40 22 53.0 - 5 16
Wed Dec 16/Thu Dec 17 1391.8 5 17 18 17 29 18 52 5 53 7 16 0 08 11 12 ..... 0 31 50 23 37.5 0 31
Thu Dec 17/Fri Dec 18 1392.8 5 21 15 17 30 18 52 5 54 7 16 0 12 11 16 ..... 1 31 60 0 23.6 6 28
Fri Dec 18/Sat Dec 19 1393.8 5 25 11 17 30 18 52 5 54 7 17 0 17 11 21 ..... 2 34 70 1 12.6 12 22
Sat Dec 19/Sun Dec 20 1394.8 5 29 08 17 31 18 53 5 55 7 17 0 21 11 25 ..... 3 41 80 2 05.7 17 52
Sun Dec 20/Mon Dec 21 1395.8 5 33 04 17 31 18 53 5 55 7 18 0 26 11 29 ..... 4 52 88 3 04.2 22 34
Mon Dec 21/Tue Dec 22 1396.8 5 37 01 17 31 18 54 5 56 7 18 0 30 11 34 ..... 6 06 95 4 08.2 25 57
Tue Dec 22/Wed Dec 23 1397.8 5 40 57 17 32 18 54 5 56 7 19 0 34 11 38 15 55 7 16 99 5 16.6 27 29
Wed Dec 23/Thu Dec 24 1398.8 5 44 54 17 33 18 55 5 57 7 19 0 39 11 43 17 02 8 19 100 6 26.5 26 54
Thu Dec 24/Fri Dec 25 1399.8 5 48 50 17 33 18 55 5 57 7 20 0 43 11 47 18 17 ..... 98 7 34.4 24 12
Fri Dec 25/Sat Dec 26 1400.8 5 52 47 17 34 18 56 5 58 7 20 0 48 11 51 19 33 ..... 92 8 37.8 19 47
Sat Dec 26/Sun Dec 27 1401.8 5 56 44 17 34 18 57 5 58 7 20 0 52 11 56 20 46 ..... 85 9 36.0 14 12
Sun Dec 27/Mon Dec 28 1402.8 6 00 40 17 35 18 57 5 58 7 21 0 57 12 00 21 55 ..... 75 10 29.4 7 59
Mon Dec 28/Tue Dec 29 1403.8 6 04 37 17 36 18 58 5 59 7 21 1 02 12 04 23 00 ..... 65 11 19.3 1 36
Tue Dec 29/Wed Dec 30 1404.8 6 08 33 17 36 18 58 5 59 7 21 1 06 12 09 0 02 ..... 54 12 07.1 - 4 38
Wed Dec 30/Thu Dec 31 1405.8 6 12 30 17 37 18 59 5 59 7 22 1 11 12 13 1 02 ..... 44 12 54.0 -10 28
Thu Dec 31/Fri Jan 01 1406.8 6 16 26 17 38 19 00 6 00 7 22 1 15 12 17 2 02 ..... 34 13 41.2 -15 42
Updated on January 4, 2022, 4:03 am