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 TUE MAR 01 18 37 19 15 19 40 06 47 18 02 05 28 05 54 06 32 05 58 10 19 15 48 9.8 9.8 100 2245-1320 >90 WED MAR 02 18 37 19 15 19 41 19 00 05 28 05 53 06 31 06 03 10 23 15 52 9.8 9.8 100 2335-0741 >90 THU MAR 03 18 38 19 15 19 41 19 56 05 27 05 52 06 30 06 07 10 27 15 55 9.8 9.5 97 0023-0149 >90 FRI MAR 04 18 38 19 16 19 41 20 50 05 26 05 52 06 29 06 11 10 31 15 58 9.8 8.6 88 0110 0400 >90 SAT MAR 05 18 38 19 16 19 41 21 43 05 25 05 51 06 28 06 15 10 35 16 00 9.7 7.7 79 0156 0930 >90 SUN MAR 06 18 39 19 16 19 42 22 35 05 25 05 50 06 28 06 20 10 39 16 04 9.7 6.8 70 0242 1431 >90 MON MAR 07 18 39 19 17 19 42 23 29 05 24 05 49 06 27 06 24 10 42 16 07 9.7 5.9 60 0330 1851 >90 TUE MAR 08 18 39 19 17 19 42 00 22 05 23 05 49 06 26 06 28 10 46 16 10 9.7 5.0 51 0420 2214 89 WED MAR 09 18 40 19 17 19 43 01 15 05 22 05 48 06 25 06 33 10 50 16 13 9.6 4.1 42 0510 2451 78 THU MAR 10 18 40 19 17 19 43 02 08 05 21 05 47 06 24 06 37 10 54 16 16 9.6 3.2 33 0602 2616 67 FRI MAR 11 18 40 19 18 19 43 02 59 05 21 05 46 06 24 06 41 10 58 16 20 9.6 2.4 24 0655 2628 56 SAT MAR 12 18 40 19 18 19 44 03 47 05 20 05 45 06 23 06 45 11 02 16 23 9.6 1.6 16 0749 2524 45 SUN MAR 13 18 41 19 18 19 44 14 31 04 32 05 19 05 44 06 22 06 49 11 06 16 26 9.6 0.8 8 0842 2306 34 MON MAR 14 18 41 19 19 19 44 15 26 05 14 05 18 05 44 06 21 06 53 11 10 16 29 9.6 0.1 0 0934 1937 22 TUE MAR 15 18 41 19 19 19 44 16 22 05 53 05 17 05 43 06 20 06 57 11 14 16 32 9.5 0.0 0 1025 1506 13 WED MAR 16 18 42 19 19 19 45 17 18 06 31 05 16 05 42 06 19 07 02 11 18 16 35 9.5 0.0 0 1115 0947 10 THU MAR 17 18 42 19 19 19 45 18 13 05 15 05 41 06 19 07 06 11 22 16 38 9.5 0.0 0 1204 0352 19 FRI MAR 18 18 42 19 20 19 45 19 09 05 15 05 40 06 18 07 10 11 26 16 42 9.5 0.0 0 1254-0221 31 SAT MAR 19 18 42 19 20 19 46 20 05 05 14 05 39 06 17 07 15 11 30 16 45 9.5 0.3 3 1344-0833 44 SUN MAR 20 18 43 19 20 19 46 21 04 05 13 05 38 06 16 07 19 11 34 16 48 9.5 1.3 13 1437-1424 57 MON MAR 21 18 43 19 21 19 46 22 05 05 12 05 38 06 15 07 23 11 38 16 51 9.4 2.3 24 1532-1931 70 TUE MAR 22 18 43 19 21 19 47 23 09 05 11 05 37 06 14 07 28 11 42 16 53 9.4 3.4 35 1631-2327 83 WED MAR 23 18 44 19 21 19 47 00 13 05 10 05 36 06 13 07 32 11 46 16 56 9.4 4.4 47 1733-2605 >90 THU MAR 24 18 44 19 21 19 47 01 17 05 09 05 35 06 12 07 36 11 49 16 59 9.4 5.5 58 1836-2659 >90 FRI MAR 25 18 44 19 22 19 47 02 16 05 08 05 34 06 12 07 40 11 53 17 02 9.4 6.5 69 1938-2610 >90 SAT MAR 26 18 44 19 22 19 48 03 11 05 07 05 33 06 11 07 45 11 57 17 05 9.3 7.4 79 2039-2343 >90 SUN MAR 27 18 45 19 22 19 48 04 00 14 49 05 06 05 32 06 10 07 49 12 01 17 08 9.3 8.2 88 2136-1957 >90 MON MAR 28 18 45 19 23 19 48 04 43 15 50 05 05 05 31 06 09 07 53 12 05 17 11 9.3 8.9 96 2229-1509 >90 TUE MAR 29 18 45 19 23 19 49 05 22 16 49 05 05 05 30 06 08 07 58 12 09 17 15 9.3 9.3 100 2320-0943 >90 WED MAR 30 18 45 19 23 19 49 05 59 17 44 05 04 05 29 06 07 08 01 12 13 17 18 9.2 9.2 100 0008-0355 >90 THU MAR 31 18 46 19 24 19 49 06 34 18 38 05 03 05 29 06 06 08 05 12 17 17 21 9.2 9.2 100 0054 0156 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Mar 02 17:35 UT AND FOLLOWING MORNING. FIRST QUARTER Mar 10 10:45 UT All dates and times are zone HST FULL MOON Mar 18 07:18 UT in upper table (except sid time). LAST QUARTER Mar 25 05:38 UT