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 SUN MAY 01 18 55 19 35 20 03 06 59 20 02 04 35 05 03 05 42 10 22 14 19 18 55 8.5 8.5 100 0348 2007 >90 MON MAY 02 18 56 19 36 20 03 20 57 04 34 05 02 05 42 10 26 14 23 18 58 8.5 7.6 89 0437 2318 >90 TUE MAY 03 18 56 19 36 20 04 21 50 04 34 05 01 05 41 10 31 14 27 19 02 8.5 6.7 79 0528 2527 >90 WED MAY 04 18 56 19 36 20 04 22 43 04 33 05 01 05 41 10 34 14 31 19 05 8.5 5.8 68 0621 2626 >90 THU MAY 05 18 57 19 37 20 05 23 33 04 32 05 00 05 40 10 39 14 35 19 08 8.4 5.0 58 0713 2611 >90 FRI MAY 06 18 57 19 37 20 05 00 20 04 31 04 59 05 40 10 43 14 39 19 11 8.4 4.2 49 0807 2435 89 SAT MAY 07 18 58 19 38 20 06 01 04 04 31 04 59 05 39 10 48 14 43 19 15 8.4 3.4 40 0857 2207 80 SUN MAY 08 18 58 19 38 20 06 01 44 04 30 04 58 05 39 10 52 14 47 19 18 8.4 2.8 32 0946 1829 70 MON MAY 09 18 58 19 39 20 07 02 21 04 29 04 58 05 38 10 57 14 51 19 21 8.4 2.1 25 1035 1357 61 TUE MAY 10 18 59 19 39 20 08 02 57 04 29 04 57 05 38 11 02 14 55 19 25 8.3 1.5 18 1123 0837 52 WED MAY 11 18 59 19 40 20 08 14 40 03 33 04 28 04 57 05 37 11 06 14 59 19 27 8.3 0.9 11 1211 0243 44 THU MAY 12 19 00 19 40 20 09 15 35 04 10 04 28 04 56 05 37 11 11 15 03 19 31 8.3 0.3 3 1300-0334 38 FRI MAY 13 19 00 19 41 20 09 16 33 04 50 04 27 04 55 05 36 11 15 15 07 19 34 8.3 0.0 0 1352-0954 35 SAT MAY 14 19 00 19 41 20 10 17 33 05 34 04 26 04 55 05 36 11 20 15 11 19 37 8.3 0.0 0 1447-1554 36 SUN MAY 15 19 01 19 42 20 10 18 38 06 24 04 26 04 55 05 35 11 24 15 14 19 41 8.3 0.0 0 1546-2107 42 MON MAY 16 19 01 19 42 20 11 19 45 04 25 04 54 05 35 11 29 15 18 19 44 8.2 0.0 0 1650-2501 50 TUE MAY 17 19 02 19 43 20 12 20 54 04 25 04 54 05 35 11 34 15 22 19 48 8.2 0.7 8 1757-2711 60 WED MAY 18 19 02 19 43 20 12 22 01 04 24 04 53 05 34 11 38 15 26 19 51 8.2 1.8 22 1904-2723 71 THU MAY 19 19 03 19 44 20 13 23 02 04 24 04 53 05 34 11 43 15 30 19 55 8.2 2.8 34 2009-2537 82 FRI MAY 20 19 03 19 44 20 13 23 55 04 23 04 52 05 34 11 47 15 34 19 58 8.2 3.7 45 2105-2151 >90 SAT MAY 21 19 03 19 45 20 14 00 42 04 23 04 52 05 33 11 52 15 38 20 02 8.1 4.5 54 2207-1752 >90 SUN MAY 22 19 04 19 45 20 14 01 24 04 23 04 52 05 33 11 55 15 42 20 06 8.1 5.2 63 2259-1236 >90 MON MAY 23 19 04 19 46 20 15 02 01 04 22 04 51 05 33 12 00 15 46 20 09 8.1 5.8 71 2347-0657 >90 TUE MAY 24 19 05 19 46 20 15 02 36 14 28 04 22 04 51 05 33 12 04 15 50 20 13 8.1 6.3 78 0033-0109 >90 WED MAY 25 19 05 19 47 20 16 03 09 15 20 04 21 04 51 05 32 12 09 15 54 20 16 8.1 6.9 85 0118 0432 >90 THU MAY 26 19 06 19 47 20 17 03 44 16 12 04 21 04 50 05 32 12 14 15 58 20 20 8.1 7.5 92 0203 0955 >90 FRI MAY 27 19 06 19 48 20 17 04 19 17 04 04 21 04 50 05 32 12 18 16 02 20 24 8.1 8.0 99 0249 1449 >90 SAT MAY 28 19 06 19 48 20 18 04 58 17 56 04 20 04 50 05 32 12 23 16 06 20 26 8.0 8.0 100 0336 1904 >90 SUN MAY 29 19 07 19 49 20 18 05 39 18 50 04 20 04 50 05 32 12 27 16 10 20 30 8.0 8.0 100 0425 2228 >90 MON MAY 30 19 07 19 49 20 19 06 24 19 44 04 20 04 49 05 31 12 32 16 14 20 34 8.0 8.0 100 0516 2452 >90 TUE MAY 31 19 08 19 50 20 19 20 37 04 20 04 49 05 31 12 36 16 18 20 38 8.0 7.7 96 0607 2608 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER May 09 00:21 UT AND FOLLOWING MORNING. FULL MOON May 16 04:13 UT All dates and times are zone HST LAST QUARTER May 22 18:43 UT in upper table (except sid time). NEW MOON May 30 11:27 UT