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 TUE DEC 01 17 52 18 32 18 59 02 11 14 11 05 23 05 50 06 30 23 23 04 24 09 48 10.4 7.2 69 1245 0042 >90 WED DEC 02 17 53 18 33 19 00 03 11 14 54 05 23 05 50 06 30 23 28 04 28 09 52 10.4 8.2 78 1338-0440 >90 THU DEC 03 17 53 18 33 19 00 04 12 15 37 05 24 05 51 06 31 23 32 04 32 09 57 10.4 9.2 88 1432-0947 >90 FRI DEC 04 17 53 18 33 19 00 05 14 16 23 05 24 05 51 06 32 23 35 04 36 10 01 10.4 10.2 98 1527-1420 >90 SAT DEC 05 17 53 18 33 19 00 06 16 17 12 05 25 05 52 06 32 23 39 04 40 10 06 10.4 10.4 100 1624-1803 >90 SUN DEC 06 17 53 18 34 19 01 18 04 05 25 05 52 06 33 23 44 04 44 10 10 10.4 10.4 100 1722-2038 >90 MON DEC 07 17 53 18 34 19 01 18 59 05 26 05 53 06 33 23 48 04 48 10 15 10.4 10.4 100 1820-2159 >90 TUE DEC 08 17 54 18 34 19 01 19 55 05 27 05 54 06 34 23 52 04 52 10 20 10.4 9.5 91 1918-2204 >90 WED DEC 09 17 54 18 34 19 01 20 51 05 27 05 54 06 35 23 56 04 56 10 24 10.4 8.6 82 2013-2057 >90 THU DEC 10 17 54 18 35 19 02 21 46 05 28 05 55 06 35 00 01 05 00 10 29 10.4 7.7 73 2106-1848 >90 FRI DEC 11 17 55 18 35 19 02 22 39 05 28 05 55 06 36 00 05 05 04 10 33 10.4 6.8 65 2156-1551 >90 SAT DEC 12 17 55 18 35 19 03 23 30 05 29 05 56 06 36 00 10 05 08 10 38 10.4 6.0 57 2243-1216 >90 SUN DEC 13 17 55 18 36 19 03 00 20 05 29 05 56 06 37 00 14 05 12 10 42 10.4 5.1 49 2331-0807 89 MON DEC 14 17 56 18 36 19 03 01 08 05 30 05 57 06 38 00 18 05 16 10 47 10.5 4.4 41 0014-0354 78 TUE DEC 15 17 56 18 37 19 04 01 56 05 30 05 58 06 38 00 23 05 20 10 51 10.4 3.6 34 0058 0031 67 WED DEC 16 17 56 18 37 19 04 02 44 05 31 05 58 06 39 00 27 05 24 10 56 10.4 2.8 26 0142 0501 56 THU DEC 17 17 57 18 37 19 05 14 25 03 34 05 32 05 59 06 39 00 32 05 28 11 00 10.4 2.0 18 0228 0922 45 FRI DEC 18 17 57 18 38 19 05 15 02 04 25 05 32 05 59 06 40 00 36 05 31 11 04 10.4 1.1 10 0316 1326 33 SAT DEC 19 17 58 18 38 19 05 15 42 05 19 05 33 06 00 06 40 00 40 05 35 11 09 10.5 0.2 2 0406 1659 21 SUN DEC 20 17 58 18 39 19 06 16 26 06 15 05 33 06 00 06 41 00 45 05 39 11 13 10.4 0.0 0 0500 1947 09 MON DEC 21 17 59 18 39 19 06 17 15 05 34 06 01 06 41 00 49 05 43 11 18 10.5 0.0 0 0556 2136 03 TUE DEC 22 17 59 18 40 19 07 18 08 05 34 06 01 06 42 00 53 05 47 11 22 10.4 0.0 0 0654 2213 16 WED DEC 23 18 00 18 40 19 07 19 06 05 35 06 02 06 42 00 57 05 51 11 27 10.5 0.0 0 0754 2131 29 THU DEC 24 18 00 18 41 19 08 20 06 05 35 06 02 06 43 01 02 05 55 11 31 10.5 1.0 9 0853 1929 42 FRI DEC 25 18 01 18 41 19 08 21 06 05 35 06 03 06 43 01 06 05 59 11 35 10.5 2.0 18 0950 1617 55 SAT DEC 26 18 01 18 42 19 09 22 07 05 36 06 03 06 44 01 11 06 03 11 40 10.5 3.0 28 1046 1208 68 SUN DEC 27 18 02 18 42 19 10 23 07 05 36 06 04 06 44 01 16 06 07 11 44 10.4 4.0 37 1140 0716 81 MON DEC 28 18 02 18 43 19 10 00 06 05 37 06 04 06 44 01 20 06 11 11 49 10.5 4.9 47 1233 0206 >90 TUE DEC 29 18 03 18 44 19 11 01 04 05 37 06 04 06 45 01 25 06 15 11 53 10.4 5.9 56 1325-0313 >90 WED DEC 30 18 04 18 44 19 11 02 03 05 38 06 05 06 45 01 29 06 19 11 58 10.5 6.9 65 1418-0820 >90 THU DEC 31 18 04 18 45 19 12 03 02 14 18 05 38 06 05 06 46 01 34 06 23 12 02 10.4 7.8 75 1511-1259 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Dec 06 23:39 UT AND FOLLOWING MORNING. FIRST QUARTER Dec 14 14:42 UT All dates and times are zone HST FULL MOON Dec 22 13:38 UT in upper table (except sid time). LAST QUARTER Dec 29 14:05 UT