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 SUN MAR 01 18 37 19 15 19 40 18 25 05 28 05 54 06 32 06 00 10 20 15 49 9.8 0.0 0 1121 0743 19 MON MAR 02 18 37 19 15 19 41 19 29 05 28 05 53 06 31 06 04 10 24 15 53 9.8 0.0 0 1220 0226 33 TUE MAR 03 18 38 19 15 19 41 20 31 05 27 05 52 06 30 06 08 10 28 15 56 9.8 0.8 8 1316-0253 47 WED MAR 04 18 38 19 16 19 41 21 32 05 26 05 52 06 29 06 12 10 32 15 59 9.8 1.9 18 1411-0754 61 THU MAR 05 18 38 19 16 19 41 22 31 05 25 05 51 06 28 06 16 10 36 16 02 9.7 2.8 29 1506-1219 74 FRI MAR 06 18 39 19 16 19 42 23 29 05 25 05 50 06 28 06 21 10 40 16 06 9.7 3.8 38 1600-1549 86 SAT MAR 07 18 39 19 17 19 42 00 25 05 24 05 49 06 27 06 25 10 44 16 09 9.7 4.7 48 1654-1833 >90 SUN MAR 08 18 39 19 17 19 42 01 19 05 23 05 49 06 26 06 29 10 48 16 12 9.7 5.6 58 1748-2012 >90 MON MAR 09 18 40 19 17 19 43 02 10 05 22 05 48 06 25 06 34 10 52 16 15 9.6 6.4 66 1840-2049 >90 TUE MAR 10 18 40 19 17 19 43 02 59 05 21 05 47 06 24 06 38 10 56 16 18 9.6 7.3 75 1932-2028 >90 WED MAR 11 18 40 19 18 19 43 03 45 14 42 05 21 05 46 06 24 06 42 11 00 16 22 9.6 8.0 83 2022-1912 >90 THU MAR 12 18 40 19 18 19 44 04 28 15 32 05 20 05 45 06 23 06 47 11 04 16 24 9.6 8.7 90 2111-1709 >90 FRI MAR 13 18 41 19 18 19 44 05 08 16 23 05 19 05 44 06 22 06 51 11 08 16 27 9.6 9.4 98 2158-1424 >90 SAT MAR 14 18 41 19 19 19 44 05 46 17 12 05 18 05 44 06 21 06 55 11 11 16 30 9.6 9.6 100 2244-1107 >90 SUN MAR 15 18 41 19 19 19 44 06 23 18 00 05 17 05 43 06 20 06 59 11 15 16 33 9.5 9.5 100 2328-0723 >90 MON MAR 16 18 42 19 19 19 45 06 59 18 49 05 16 05 42 06 19 07 04 11 19 16 36 9.5 9.5 100 0013-0322 >90 TUE MAR 17 18 42 19 19 19 45 19 37 05 15 05 41 06 19 07 08 11 23 16 39 9.5 9.5 100 0057 0048 >90 WED MAR 18 18 42 19 20 19 45 20 26 05 15 05 40 06 18 07 12 11 27 16 43 9.5 8.8 92 0142 0500 >90 THU MAR 19 18 42 19 20 19 46 21 17 05 14 05 39 06 17 07 17 11 31 16 46 9.5 8.0 83 0228 0902 >90 FRI MAR 20 18 43 19 20 19 46 22 08 05 13 05 38 06 16 07 20 11 35 16 49 9.5 7.1 74 0316 1246 >90 SAT MAR 21 18 43 19 21 19 46 23 02 05 12 05 38 06 15 07 24 11 39 16 52 9.4 6.2 65 0406 1559 >90 SUN MAR 22 18 43 19 21 19 47 23 57 05 11 05 37 06 14 07 29 11 43 16 55 9.4 5.2 55 0459 1830 >90 MON MAR 23 18 44 19 21 19 47 00 54 05 10 05 36 06 13 07 33 11 47 16 58 9.4 4.3 45 0555 2004 82 TUE MAR 24 18 44 19 21 19 47 01 51 05 09 05 35 06 12 07 37 11 51 17 01 9.4 3.3 35 0653 2034 69 WED MAR 25 18 44 19 22 19 47 02 47 05 08 05 34 06 12 07 41 11 55 17 04 9.4 2.3 25 0752 1949 57 THU MAR 26 18 44 19 22 19 48 03 41 05 07 05 33 06 11 07 46 11 59 17 07 9.3 1.4 15 0853 1744 44 FRI MAR 27 18 45 19 22 19 48 14 58 04 33 05 06 05 32 06 10 07 50 12 03 17 10 9.3 0.5 5 0953 1423 31 SAT MAR 28 18 45 19 23 19 48 16 02 05 22 05 05 05 31 06 09 07 54 12 07 17 13 9.3 0.0 0 1053 1001 20 SUN MAR 29 18 45 19 23 19 49 17 06 06 09 05 05 05 30 06 08 07 59 12 11 17 16 9.3 0.0 0 1151 0456 16 MON MAR 30 18 45 19 23 19 49 18 09 06 55 05 04 05 29 06 07 08 03 12 15 17 19 9.2 0.0 0 1248-0029 22 TUE MAR 31 18 46 19 24 19 49 19 11 05 03 05 29 06 06 08 07 12 19 17 22 9.2 0.0 0 1345-0549 33 ONE LINE REFERS TO EVENING DATE FULL MOON Mar 02 00:26 UT AND FOLLOWING MORNING. LAST QUARTER Mar 08 19:25 UT All dates and times are zone HST NEW MOON Mar 16 23:37 UT in upper table (except sid time). FIRST QUARTER Mar 24 18:41 UT FULL MOON Mar 31 09:53 UT