KECK OBSERVATORY CALENDAR FOR 2031 -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 2031 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 SAT NOV 01 17 58 18 37 19 03 19 47 05 09 05 35 06 13 21 26 02 24 07 34 10.1 0.7 7 0503 2015 37 SUN NOV 02 17 58 18 36 19 02 20 37 05 09 05 35 06 13 21 29 02 28 07 38 10.1 1.6 15 0556 1957 49 MON NOV 03 17 57 18 36 19 02 21 28 05 09 05 35 06 14 21 33 02 32 07 42 10.1 2.4 24 0647 1843 60 TUE NOV 04 17 57 18 36 19 02 22 18 05 10 05 36 06 14 21 37 02 36 07 47 10.1 3.3 32 0737 1640 71 WED NOV 05 17 56 18 35 19 01 23 08 05 10 05 36 06 15 21 40 02 40 07 51 10.2 4.1 40 0824 1354 82 THU NOV 06 17 56 18 35 19 01 23 58 05 11 05 37 06 15 21 44 02 44 07 56 10.2 5.0 48 0906 1006 >90 FRI NOV 07 17 56 18 34 19 01 00 47 05 11 05 37 06 16 21 48 02 48 08 00 10.2 5.8 56 0957 0653 >90 SAT NOV 08 17 55 18 34 19 00 01 37 05 11 05 38 06 16 21 51 02 52 08 03 10.2 6.6 64 1043 0248 >90 SUN NOV 09 17 55 18 34 19 00 02 27 14 24 05 12 05 38 06 17 21 55 02 56 08 08 10.2 7.5 73 1129-0128 >90 MON NOV 10 17 55 18 34 19 00 03 20 15 02 05 12 05 38 06 17 21 59 03 00 08 12 10.2 8.3 81 1216-0546 >90 TUE NOV 11 17 54 18 33 18 59 04 15 15 42 05 13 05 39 06 18 22 02 03 03 08 17 10.2 9.3 90 1306-0956 >90 WED NOV 12 17 54 18 33 18 59 05 12 16 25 05 13 05 39 06 18 22 06 03 07 08 21 10.2 10.2 99 1358-1344 >90 THU NOV 13 17 54 18 33 18 59 06 11 17 12 05 14 05 40 06 19 22 10 03 11 08 26 10.2 10.2 100 1453-1654 >90 FRI NOV 14 17 53 18 33 18 59 18 04 05 14 05 40 06 20 22 13 03 15 08 30 10.2 10.2 100 1551-1910 >90 SAT NOV 15 17 53 18 32 18 59 19 00 05 14 05 41 06 20 22 17 03 19 08 34 10.2 10.2 99 1651-2017 >90 SUN NOV 16 17 53 18 32 18 59 20 01 05 15 05 41 06 21 22 21 03 23 08 39 10.3 9.2 89 1752-2007 >90 MON NOV 17 17 53 18 32 18 59 21 03 05 15 05 42 06 21 22 25 03 27 08 43 10.3 8.2 79 1853-1839 >90 TUE NOV 18 17 53 18 32 18 58 22 05 05 16 05 42 06 22 22 28 03 31 08 48 10.3 7.2 69 1952-1600 >90 WED NOV 19 17 52 18 32 18 58 23 06 05 16 05 43 06 22 22 32 03 35 08 52 10.3 6.2 59 2049-1225 >90 THU NOV 20 17 52 18 32 18 58 00 06 05 17 05 43 06 23 22 36 03 39 08 57 10.3 5.2 50 2148-0745 >90 FRI NOV 21 17 52 18 32 18 58 01 04 05 17 05 44 06 24 22 40 03 43 09 01 10.3 4.2 40 2237-0327 79 SAT NOV 22 17 52 18 32 18 58 02 00 05 18 05 45 06 24 22 44 03 47 09 06 10.3 3.3 31 2328 0117 66 SUN NOV 23 17 52 18 32 18 58 02 56 05 18 05 45 06 25 22 48 03 51 09 10 10.3 2.4 22 0020 0557 53 MON NOV 24 17 52 18 32 18 58 14 38 03 52 05 19 05 46 06 25 22 52 03 55 09 15 10.3 1.4 14 0111 1016 41 TUE NOV 25 17 52 18 32 18 58 15 20 04 48 05 19 05 46 06 26 22 56 03 59 09 19 10.3 0.5 4 0203 1401 28 WED NOV 26 17 52 18 32 18 59 16 04 05 42 05 20 05 47 06 27 23 01 04 03 09 23 10.3 0.0 0 0256 1701 16 THU NOV 27 17 52 18 32 18 59 16 51 06 37 05 21 05 47 06 27 23 05 04 07 09 28 10.4 0.0 0 0350 1906 04 FRI NOV 28 17 52 18 32 18 59 17 39 05 21 05 48 06 28 23 09 04 10 09 32 10.4 0.0 0 0444 2012 08 SAT NOV 29 17 52 18 32 18 59 18 29 05 22 05 48 06 28 23 13 04 14 09 37 10.4 0.0 0 0537 2016 19 SUN NOV 30 17 52 18 32 18 59 19 20 05 22 05 49 06 29 23 17 04 18 09 41 10.4 0.4 3 0629 1921 31 ONE LINE REFERS TO EVENING DATE LAST QUARTER Nov 07 07:04 UT AND FOLLOWING MORNING. NEW MOON Nov 14 21:09 UT All dates and times are zone HST FIRST QUARTER Nov 21 14:45 UT in upper table (except sid time). FULL MOON Nov 28 23:18 UT