KECK OBSERVATORY CALENDAR FOR 2021 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2021 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg MON NOV 01 17 58 18 37 19 03 04 02 16 03 05 09 05 35 06 13 21 02 02 26 08 02 11.0 9.4 85 1232 0108 >90 TUE NOV 02 17 58 18 36 19 02 05 02 16 42 05 09 05 35 06 13 21 05 02 30 08 06 11.0 10.4 94 1323-0510 >90 WED NOV 03 17 57 18 36 19 02 06 05 17 24 05 09 05 35 06 14 21 09 02 34 08 09 11.0 11.0 100 1417-1120 >90 THU NOV 04 17 57 18 36 19 02 18 09 05 10 05 36 06 14 21 13 02 38 08 14 11.0 11.0 100 1513-1657 >90 FRI NOV 05 17 56 18 35 19 01 18 59 05 10 05 36 06 15 21 16 02 41 08 18 11.0 10.6 96 1613-2135 >90 SAT NOV 06 17 56 18 35 19 01 19 55 05 11 05 37 06 15 21 20 02 45 08 23 11.0 9.7 87 1716-2448 >90 SUN NOV 07 17 56 18 34 19 01 20 56 05 11 05 37 06 16 21 22 02 49 08 27 11.0 8.7 78 1821-2618 >90 MON NOV 08 17 55 18 34 19 00 22 00 05 11 05 38 06 16 21 26 02 53 08 32 11.1 7.6 68 1925-2600 >90 TUE NOV 09 17 55 18 34 19 00 23 04 05 12 05 38 06 17 21 30 02 57 08 36 11.1 6.6 59 2026-2403 >90 WED NOV 10 17 55 18 34 19 00 00 06 05 12 05 38 06 17 21 34 03 01 08 40 11.1 5.5 50 2129-2017 >90 THU NOV 11 17 54 18 33 18 59 01 04 05 13 05 39 06 18 21 37 03 05 08 45 11.1 4.6 41 2217-1622 79 FRI NOV 12 17 54 18 33 18 59 01 58 05 13 05 39 06 18 21 41 03 09 08 49 11.1 3.7 33 2307-1124 67 SAT NOV 13 17 54 18 33 18 59 14 28 02 51 05 14 05 40 06 19 21 45 03 13 08 54 11.1 2.8 25 2354-0600 55 SUN NOV 14 17 53 18 33 18 59 15 02 03 41 05 14 05 40 06 20 21 49 03 17 08 58 11.1 2.0 17 0039-0027 44 MON NOV 15 17 53 18 32 18 59 15 36 04 31 05 14 05 41 06 20 21 52 03 21 09 03 11.2 1.2 10 0124 0503 32 TUE NOV 16 17 53 18 32 18 59 16 09 05 21 05 15 05 41 06 21 21 56 03 25 09 07 11.2 0.3 2 0209 1018 21 WED NOV 17 17 53 18 32 18 59 16 43 06 12 05 15 05 42 06 21 22 00 03 29 09 12 11.2 0.0 0 0255 1507 09 THU NOV 18 17 53 18 32 18 58 17 20 05 16 05 42 06 22 22 04 03 33 09 16 11.2 0.0 0 0342 1917 02 FRI NOV 19 17 52 18 32 18 58 17 59 05 16 05 43 06 22 22 08 03 37 09 21 11.2 0.0 0 0432 2239 13 SAT NOV 20 17 52 18 32 18 58 18 42 05 17 05 43 06 23 22 12 03 41 09 25 11.2 0.2 1 0524 2500 24 SUN NOV 21 17 52 18 32 18 58 19 28 05 17 05 44 06 24 22 16 03 45 09 29 11.2 0.9 8 0616 2612 35 MON NOV 22 17 52 18 32 18 58 20 19 05 18 05 45 06 24 22 20 03 48 09 34 11.2 1.8 15 0710 2611 47 TUE NOV 23 17 52 18 32 18 58 21 11 05 18 05 45 06 25 22 24 03 52 09 38 11.2 2.6 23 0803 2455 58 WED NOV 24 17 52 18 32 18 58 22 06 05 19 05 46 06 25 22 27 03 56 09 43 11.2 3.6 31 0855 2229 69 THU NOV 25 17 52 18 32 18 58 23 00 05 19 05 46 06 26 22 31 04 00 09 47 11.2 4.5 39 0946 1858 81 FRI NOV 26 17 52 18 32 18 59 23 55 05 20 05 47 06 27 22 35 04 04 09 52 11.3 5.4 47 1030 1405 >90 SAT NOV 27 17 52 18 32 18 59 00 50 05 21 05 47 06 27 22 39 04 08 09 56 11.3 6.3 56 1124 0925 >90 SUN NOV 28 17 52 18 32 18 59 01 46 05 21 05 48 06 28 22 43 04 12 10 01 11.3 7.2 64 1213 0341 >90 MON NOV 29 17 52 18 32 18 59 02 43 14 35 05 22 05 48 06 28 22 47 04 16 10 05 11.3 8.2 72 1302-0224 >90 TUE NOV 30 17 52 18 32 18 59 03 43 15 14 05 22 05 49 06 29 22 51 04 20 10 10 11.3 9.2 81 1353-0834 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Nov 04 21:16 UT AND FOLLOWING MORNING. FIRST QUARTER Nov 11 12:45 UT All dates and times are zone HST FULL MOON Nov 19 08:57 UT in upper table (except sid time). LAST QUARTER Nov 27 12:29 UT