KECK OBSERVATORY CALENDAR FOR 2022 -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 2022 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 SAT JAN 01 18 05 18 45 19 12 06 53 17 16 05 39 06 06 06 46 01 37 06 26 12 06 10.4 10.4 100 1831-2611 >90 SUN JAN 02 18 06 18 46 19 13 18 23 05 39 06 06 06 46 01 42 06 30 12 10 10.4 10.4 100 1937-2531 >90 MON JAN 03 18 06 18 47 19 14 19 31 05 39 06 06 06 47 01 47 06 34 12 14 10.4 10.1 97 2040-2305 >90 TUE JAN 04 18 07 18 47 19 14 20 37 05 40 06 07 06 47 01 51 06 38 12 19 10.4 9.0 86 2140-1914 >90 WED JAN 05 18 07 18 48 19 15 21 38 05 40 06 07 06 47 01 56 06 42 12 23 10.4 8.0 77 2234-1424 >90 THU JAN 06 18 08 18 48 19 15 22 36 05 40 06 07 06 47 02 00 06 46 12 27 10.4 7.1 67 2325-0900 >90 FRI JAN 07 18 09 18 49 19 16 23 30 05 41 06 07 06 48 02 05 06 50 12 32 10.4 6.2 59 0013-0321 >90 SAT JAN 08 18 09 18 50 19 16 00 22 05 41 06 08 06 48 02 09 06 54 12 36 10.4 5.3 51 0059 0210 88 SUN JAN 09 18 10 18 50 19 17 01 12 05 41 06 08 06 48 02 14 06 58 12 40 10.4 4.5 43 0143 0740 77 MON JAN 10 18 11 18 51 19 18 02 03 05 41 06 08 06 48 02 19 07 02 12 44 10.4 3.6 34 0228 1242 66 TUE JAN 11 18 11 18 51 19 18 02 54 05 42 06 08 06 48 02 23 07 06 12 49 10.4 2.8 26 0314 1712 55 WED JAN 12 18 12 18 52 19 19 03 46 05 42 06 09 06 49 02 28 07 10 12 52 10.4 1.9 18 0402 2059 44 THU JAN 13 18 12 18 53 19 19 14 37 04 39 05 42 06 09 06 49 02 32 07 13 12 56 10.4 1.0 10 0453 2354 33 FRI JAN 14 18 13 18 53 19 20 15 21 05 31 05 42 06 09 06 49 02 37 07 17 13 00 10.4 0.2 1 0545 2545 22 SAT JAN 15 18 14 18 54 19 20 16 10 06 23 05 42 06 09 06 49 02 41 07 21 13 04 10.4 0.0 0 0639 2625 12 SUN JAN 16 18 14 18 54 19 21 17 01 05 42 06 09 06 49 02 46 07 25 13 08 10.3 0.0 0 0733 2549 06 MON JAN 17 18 15 18 55 19 22 17 55 05 42 06 09 06 49 02 51 07 29 13 12 10.3 0.0 0 0827 2356 14 TUE JAN 18 18 16 18 55 19 22 18 50 05 43 06 09 06 49 02 54 07 33 13 17 10.3 0.0 0 0919 2054 25 WED JAN 19 18 16 18 56 19 23 19 45 05 43 06 09 06 49 02 59 07 37 13 21 10.3 0.4 3 1010 1651 36 THU JAN 20 18 17 18 57 19 23 20 40 05 43 06 09 06 49 03 03 07 41 13 25 10.3 1.3 12 1059 1200 48 FRI JAN 21 18 18 18 57 19 24 21 33 05 43 06 09 06 49 03 08 07 45 13 29 10.3 2.1 20 1146 0634 60 SAT JAN 22 18 18 18 58 19 24 22 27 05 43 06 09 06 49 03 12 07 49 13 33 10.3 3.1 29 1234 0047 72 SUN JAN 23 18 19 18 58 19 25 23 21 05 43 06 09 06 49 03 17 07 53 13 37 10.3 3.9 38 1321-0503 84 MON JAN 24 18 19 18 59 19 25 00 17 05 43 06 09 06 49 03 21 07 57 13 41 10.3 4.9 47 1412-1053 >90 TUE JAN 25 18 20 18 59 19 26 01 17 05 43 06 09 06 48 03 26 08 01 13 45 10.3 5.9 56 1504-1613 >90 WED JAN 26 18 21 19 00 19 26 02 19 05 43 06 09 06 48 03 30 08 05 13 49 10.3 6.9 66 1600-2048 >90 THU JAN 27 18 21 19 01 19 27 03 25 14 00 05 42 06 09 06 48 03 35 08 09 13 52 10.2 8.0 77 1701-2411 >90 FRI JAN 28 18 22 19 01 19 27 04 32 14 57 05 42 06 09 06 48 03 39 08 13 13 56 10.2 9.1 88 1804-2602 >90 SAT JAN 29 18 22 19 02 19 28 05 36 16 00 05 42 06 08 06 48 03 44 08 17 14 00 10.2 10.1 99 1910-2606 >90 SUN JAN 30 18 23 19 02 19 28 06 35 17 07 05 42 06 08 06 47 03 48 08 21 14 03 10.2 10.2 100 2014-2421 >90 MON JAN 31 18 24 19 03 19 29 18 14 05 42 06 08 06 47 03 53 08 24 14 07 10.2 10.2 100 2115-2100 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Jan 02 18:33 UT AND FOLLOWING MORNING. FIRST QUARTER Jan 09 18:11 UT All dates and times are zone HST FULL MOON Jan 17 23:50 UT in upper table (except sid time). LAST QUARTER Jan 25 13:42 UT