KECK OBSERVATORY CALENDAR FOR 2027 -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 2027 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 FRI JAN 01 18 05 18 45 19 12 02 33 05 39 06 06 06 46 01 09 06 25 12 32 11.3 7.8 68 1436-2030 >90 SAT JAN 02 18 06 18 46 19 13 03 27 14 10 05 39 06 06 06 46 01 14 06 29 12 36 11.3 8.7 76 1526-2356 >90 SUN JAN 03 18 06 18 47 19 14 04 21 14 54 05 39 06 06 06 47 01 19 06 33 12 40 11.3 9.6 84 1617-2616 >90 MON JAN 04 18 07 18 47 19 14 05 14 15 41 05 40 06 07 06 47 01 23 06 37 12 45 11.3 10.5 92 1710-2725 >90 TUE JAN 05 18 07 18 48 19 15 06 04 16 32 05 40 06 07 06 47 01 28 06 41 12 49 11.3 11.3 99 1802-2720 >90 WED JAN 06 18 08 18 48 19 15 06 51 17 25 05 40 06 07 06 47 01 32 06 45 12 53 11.3 11.3 100 1854-2601 >90 THU JAN 07 18 09 18 49 19 16 18 18 05 41 06 07 06 48 01 37 06 49 12 57 11.3 11.3 100 1944-2334 >90 FRI JAN 08 18 09 18 50 19 16 19 11 05 41 06 08 06 48 01 42 06 53 13 02 11.3 11.0 96 2032-2008 >90 SAT JAN 09 18 10 18 50 19 17 20 02 05 41 06 08 06 48 01 46 06 57 13 06 11.3 10.1 89 2119-1553 >90 SUN JAN 10 18 11 18 51 19 18 20 53 05 41 06 08 06 48 01 51 07 01 13 10 11.3 9.2 81 2203-1100 >90 MON JAN 11 18 11 18 51 19 18 21 42 05 42 06 08 06 48 01 55 07 05 13 14 11.3 8.4 74 2247-0539 >90 TUE JAN 12 18 12 18 52 19 19 22 32 05 42 06 09 06 49 02 00 07 09 13 19 11.3 7.6 67 2331 0001 >90 WED JAN 13 18 12 18 53 19 19 23 23 05 42 06 09 06 49 02 05 07 13 13 23 11.3 6.8 60 0015 0548 >90 THU JAN 14 18 13 18 53 19 20 00 16 05 42 06 09 06 49 02 09 07 17 13 27 11.3 5.9 52 0104 1122 90 FRI JAN 15 18 14 18 54 19 20 01 13 05 42 06 09 06 49 02 14 07 21 13 31 11.3 4.9 43 0152 1654 77 SAT JAN 16 18 14 18 54 19 21 02 15 05 42 06 09 06 49 02 18 07 24 13 35 11.3 3.9 34 0247 2139 64 SUN JAN 17 18 15 18 55 19 22 03 20 05 42 06 09 06 49 02 23 07 28 13 38 11.2 2.8 25 0347 2519 51 MON JAN 18 18 16 18 55 19 22 14 04 04 28 05 43 06 09 06 49 02 27 07 32 13 42 11.2 1.7 14 0452 2725 37 TUE JAN 19 18 16 18 56 19 23 15 07 05 33 05 43 06 09 06 49 02 31 07 36 13 46 11.2 0.6 5 0600 2734 23 WED JAN 20 18 17 18 57 19 23 16 17 06 34 05 43 06 09 06 49 02 36 07 40 13 50 11.2 0.0 0 0709 2537 09 THU JAN 21 18 18 18 57 19 24 17 28 05 43 06 09 06 49 02 40 07 44 13 54 11.2 0.0 0 0814 2145 07 FRI JAN 22 18 18 18 58 19 24 18 37 05 43 06 09 06 49 02 45 07 48 13 58 11.2 0.0 0 0915 1624 21 SAT JAN 23 18 19 18 58 19 25 19 42 05 43 06 09 06 49 02 49 07 52 14 02 11.2 0.7 6 1012 1009 35 SUN JAN 24 18 19 18 59 19 25 20 43 05 43 06 09 06 49 02 54 07 56 14 06 11.2 1.7 15 1105 0329 49 MON JAN 25 18 20 18 59 19 26 21 41 05 43 06 09 06 48 02 58 08 00 14 10 11.2 2.7 24 1155-0307 62 TUE JAN 26 18 21 19 00 19 26 22 37 05 43 06 09 06 48 03 03 08 04 14 14 11.2 3.6 32 1244-0921 75 WED JAN 27 18 21 19 01 19 27 23 32 05 42 06 09 06 48 03 08 08 08 14 18 11.1 4.5 40 1332-1448 87 THU JAN 28 18 22 19 01 19 27 00 27 05 42 06 09 06 48 03 12 08 12 14 22 11.1 5.4 48 1422-1937 >90 FRI JAN 29 18 22 19 02 19 28 01 21 05 42 06 08 06 48 03 17 08 16 14 25 11.1 6.3 56 1513-2322 >90 SAT JAN 30 18 23 19 02 19 28 02 16 05 42 06 08 06 47 03 21 08 20 14 29 11.1 7.2 65 1605-2601 >90 SUN JAN 31 18 24 19 03 19 29 03 09 05 42 06 08 06 47 03 26 08 24 14 33 11.1 8.1 73 1657-2726 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Jan 07 20:24 UT AND FOLLOWING MORNING. FIRST QUARTER Jan 15 20:35 UT All dates and times are zone HST FULL MOON Jan 22 12:16 UT in upper table (except sid time). LAST QUARTER Jan 29 10:55 UT