KECK OBSERVATORY CALENDAR FOR 2037 -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 2037 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 FRI MAY 01 18 55 19 35 20 03 20 54 04 35 05 03 05 42 10 23 14 21 18 56 8.5 0.9 9 1706-1944 57 SAT MAY 02 18 56 19 36 20 03 21 51 04 34 05 02 05 42 10 27 14 25 18 59 8.5 1.8 21 1803-2116 67 SUN MAY 03 18 56 19 36 20 04 22 45 04 34 05 01 05 41 10 32 14 29 19 03 8.5 2.7 31 1858-2133 78 MON MAY 04 18 56 19 36 20 04 23 36 04 33 05 01 05 41 10 36 14 33 19 06 8.5 3.5 41 1951-2044 88 TUE MAY 05 18 57 19 37 20 05 00 22 04 32 05 00 05 40 10 41 14 37 19 09 8.4 4.3 50 2044-1909 >90 WED MAY 06 18 57 19 37 20 05 01 05 04 31 04 59 05 40 10 45 14 40 19 12 8.4 5.0 59 2133-1640 >90 THU MAY 07 18 58 19 38 20 06 01 45 04 31 04 59 05 39 10 50 14 44 19 16 8.4 5.6 67 2220-1332 >90 FRI MAY 08 18 58 19 38 20 06 02 22 04 30 04 58 05 39 10 54 14 48 19 19 8.4 6.3 74 2306-0955 >90 SAT MAY 09 18 58 19 39 20 07 02 58 14 39 04 29 04 58 05 38 10 59 14 52 19 22 8.4 6.8 81 2351-0556 >90 SUN MAY 10 18 59 19 39 20 08 03 34 15 27 04 29 04 57 05 38 11 04 14 56 19 26 8.3 7.4 89 0035-0144 >90 MON MAY 11 18 59 19 40 20 08 04 10 16 16 04 28 04 57 05 37 11 08 15 00 19 29 8.3 8.0 96 0120 0235 >90 TUE MAY 12 19 00 19 40 20 09 04 47 17 06 04 28 04 56 05 37 11 12 15 04 19 33 8.3 8.3 100 0205 0650 >90 WED MAY 13 19 00 19 41 20 09 05 27 17 58 04 27 04 55 05 36 11 16 15 08 19 36 8.3 8.3 100 0253 1053 >90 THU MAY 14 19 00 19 41 20 10 06 09 18 51 04 26 04 55 05 36 11 21 15 12 19 39 8.3 8.3 100 0342 1431 >90 FRI MAY 15 19 01 19 42 20 10 06 56 19 47 04 26 04 55 05 35 11 25 15 16 19 43 8.3 8.3 100 0435 1731 >90 SAT MAY 16 19 01 19 42 20 11 20 44 04 25 04 54 05 35 11 30 15 20 19 46 8.2 7.7 93 0529 1938 >90 SUN MAY 17 19 02 19 43 20 12 21 42 04 25 04 54 05 35 11 35 15 24 19 50 8.2 6.7 81 0626 2041 >90 MON MAY 18 19 02 19 43 20 12 22 38 04 24 04 53 05 34 11 39 15 28 19 52 8.2 5.8 70 0724 2032 >90 TUE MAY 19 19 03 19 44 20 13 23 33 04 24 04 53 05 34 11 44 15 32 19 56 8.2 4.9 59 0823 1908 >90 WED MAY 20 19 03 19 44 20 13 00 24 04 23 04 52 05 34 11 48 15 36 19 59 8.2 4.0 48 0921 1627 88 THU MAY 21 19 03 19 45 20 14 01 12 04 23 04 52 05 33 11 53 15 40 20 03 8.1 3.2 39 1017 1254 77 FRI MAY 22 19 04 19 45 20 14 01 57 04 23 04 52 05 33 11 57 15 44 20 07 8.1 2.4 29 1112 0829 66 SAT MAY 23 19 04 19 46 20 15 02 41 04 22 04 51 05 33 12 02 15 47 20 10 8.1 1.7 20 1206 0331 56 SUN MAY 24 19 05 19 46 20 15 14 42 03 24 04 22 04 51 05 33 12 06 15 51 20 14 8.1 1.0 11 1300-0143 47 MON MAY 25 19 05 19 47 20 16 15 41 04 08 04 21 04 51 05 32 12 11 15 55 20 17 8.1 0.2 2 1354-0652 40 TUE MAY 26 19 06 19 47 20 17 16 40 04 53 04 21 04 50 05 32 12 16 15 59 20 21 8.1 0.0 0 1449-1139 36 WED MAY 27 19 06 19 48 20 17 17 39 05 40 04 21 04 50 05 32 12 20 16 03 20 25 8.1 0.0 0 1545-1546 36 THU MAY 28 19 06 19 48 20 18 18 38 06 30 04 20 04 50 05 32 12 25 16 07 20 28 8.0 0.0 0 1642-1856 40 FRI MAY 29 19 07 19 49 20 18 19 37 04 20 04 50 05 32 12 29 16 11 20 32 8.0 0.0 0 1739-2100 46 SAT MAY 30 19 07 19 49 20 19 20 33 04 20 04 50 05 31 12 33 16 15 20 36 8.0 0.2 2 1836-2152 54 SUN MAY 31 19 08 19 50 20 19 21 26 04 20 04 49 05 31 12 37 16 19 20 40 8.0 1.1 13 1932-2134 63 ONE LINE REFERS TO EVENING DATE LAST QUARTER May 07 04:57 UT AND FOLLOWING MORNING. NEW MOON May 15 05:57 UT All dates and times are zone HST FIRST QUARTER May 22 09:08 UT in upper table (except sid time). FULL MOON May 29 04:26 UT