KECK OBSERVATORY CALENDAR FOR 2024 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2024 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg MON JUL 01 19 16 19 59 20 29 02 31 15 35 04 23 04 53 05 36 14 50 18 22 22 46 7.9 6.0 76 0336 2219 >90 TUE JUL 02 19 16 19 59 20 29 03 22 16 39 04 24 04 54 05 36 14 54 18 26 22 50 7.9 6.9 86 0434 2537 >90 WED JUL 03 19 16 19 59 20 29 04 17 17 42 04 24 04 54 05 36 14 58 18 30 22 54 7.9 7.8 98 0534 2723 >90 THU JUL 04 19 16 19 59 20 28 05 16 18 42 04 24 04 54 05 37 15 01 18 34 22 58 7.9 7.9 100 0633 2731 >90 FRI JUL 05 19 16 19 58 20 28 06 16 19 37 04 25 04 55 05 37 15 05 18 38 23 03 7.9 7.9 100 0731 2606 >90 SAT JUL 06 19 16 19 58 20 28 20 26 04 25 04 55 05 37 15 09 18 42 23 07 7.9 7.9 100 0825 2319 >90 SUN JUL 07 19 16 19 58 20 28 21 08 04 26 04 56 05 38 15 13 18 45 23 12 8.0 7.3 91 0916 1929 >90 MON JUL 08 19 16 19 58 20 28 21 45 04 26 04 56 05 38 15 17 18 49 23 16 8.0 6.7 83 1003 1451 >90 TUE JUL 09 19 16 19 58 20 28 22 19 04 27 04 56 05 39 15 21 18 53 23 21 8.0 6.1 76 1047 0942 >90 WED JUL 10 19 16 19 58 20 28 22 50 04 27 04 57 05 39 15 25 18 57 23 25 8.0 5.6 70 1130 0415 >90 THU JUL 11 19 16 19 58 20 27 23 21 04 28 04 57 05 39 15 28 19 01 23 30 8.0 5.1 63 1212-0121 >90 FRI JUL 12 19 16 19 58 20 27 23 51 04 28 04 58 05 40 15 32 19 05 23 34 8.0 4.6 57 1253-0657 >90 SAT JUL 13 19 15 19 57 20 27 00 24 04 29 04 58 05 40 15 36 19 09 23 39 8.0 4.1 50 1338-1216 88 SUN JUL 14 19 15 19 57 20 27 00 58 04 29 04 59 05 40 15 39 19 13 23 43 8.0 3.5 43 1422-1725 81 MON JUL 15 19 15 19 57 20 26 01 37 04 30 04 59 05 41 15 42 19 17 23 48 8.1 2.9 35 1511-2200 73 TUE JUL 16 19 15 19 57 20 26 14 53 02 22 04 30 05 00 05 41 15 46 19 21 23 52 8.1 2.1 26 1604-2540 66 WED JUL 17 19 15 19 56 20 26 15 52 03 13 04 31 05 00 05 42 15 50 19 25 23 57 8.1 1.3 16 1702-2809 59 THU JUL 18 19 14 19 56 20 25 16 52 04 12 04 31 05 00 05 42 15 53 19 29 00 01 8.1 0.3 3 1803-2907 53 FRI JUL 19 19 14 19 56 20 25 17 52 05 15 04 32 05 01 05 42 15 57 19 33 00 06 8.1 0.0 0 1906-2819 49 SAT JUL 20 19 14 19 55 20 24 18 49 06 20 04 32 05 01 05 43 16 00 19 37 00 09 8.1 0.0 0 2009-2542 46 SUN JUL 21 19 14 19 55 20 24 19 40 04 33 05 02 05 43 16 04 19 41 00 14 8.2 0.0 0 2110-2125 47 MON JUL 22 19 13 19 55 20 24 20 27 04 33 05 02 05 44 16 08 19 45 00 18 8.2 0.1 0 2207-1550 50 TUE JUL 23 19 13 19 54 20 23 21 09 04 34 05 03 05 44 16 11 19 49 00 23 8.2 0.8 9 2302-0923 56 WED JUL 24 19 13 19 54 20 23 21 48 04 34 05 03 05 44 16 15 19 53 00 27 8.2 1.4 17 2354-0229 63 THU JUL 25 19 12 19 53 20 22 22 26 04 35 05 04 05 45 16 18 19 56 00 32 8.2 2.1 25 0045 0425 72 FRI JUL 26 19 12 19 53 20 21 23 05 04 35 05 04 05 45 16 21 20 00 00 36 8.2 2.7 33 0136 1058 81 SAT JUL 27 19 11 19 52 20 21 23 45 04 36 05 05 05 46 16 25 20 04 00 41 8.2 3.4 41 0227 1639 90 SUN JUL 28 19 11 19 52 20 20 00 29 04 37 05 05 05 46 16 28 20 08 00 46 8.3 4.1 50 0324 2142 >90 MON JUL 29 19 10 19 51 20 20 01 17 14 32 04 37 05 06 05 46 16 32 20 12 00 50 8.3 4.9 59 0421 2516 >90 TUE JUL 30 19 10 19 51 20 19 02 10 15 35 04 38 05 06 05 47 16 35 20 16 00 55 8.3 5.8 70 0520 2719 >90 WED JUL 31 19 10 19 50 20 19 03 07 16 35 04 38 05 06 05 47 16 38 20 20 00 59 8.3 6.8 81 0619 2748 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Jul 05 22:56 UT AND FOLLOWING MORNING. FIRST QUARTER Jul 13 22:48 UT All dates and times are zone HST FULL MOON Jul 21 10:16 UT in upper table (except sid time). LAST QUARTER Jul 28 02:52 UT