KECK OBSERVATORY CALENDAR FOR 2027 -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 2027 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 JUN 01 19 08 19 50 20 20 03 27 16 21 04 19 04 49 05 31 12 40 16 21 20 40 8.0 7.1 89 0223 1852 >90 WED JUN 02 19 08 19 51 20 20 04 17 17 23 04 19 04 49 05 31 12 44 16 25 20 44 8.0 7.9 99 0320 2252 >90 THU JUN 03 19 09 19 51 20 21 05 14 18 29 04 19 04 49 05 31 12 49 16 29 20 48 8.0 8.0 100 0422 2531 >90 FRI JUN 04 19 09 19 51 20 21 06 18 19 36 04 19 04 49 05 31 12 53 16 33 20 52 8.0 8.0 100 0527 2629 >90 SAT JUN 05 19 10 19 52 20 22 20 40 04 19 04 49 05 31 12 58 16 36 20 56 7.9 7.7 96 0632 2532 >90 SUN JUN 06 19 10 19 52 20 22 21 38 04 19 04 49 05 31 13 02 16 40 21 00 7.9 6.7 84 0736 2247 >90 MON JUN 07 19 10 19 53 20 23 22 30 04 19 04 49 05 31 13 07 16 44 21 04 7.9 5.8 73 0836 1831 >90 TUE JUN 08 19 11 19 53 20 23 23 15 04 19 04 49 05 31 13 11 16 48 21 08 7.9 5.1 63 0932 1310 >90 WED JUN 09 19 11 19 53 20 23 23 55 04 19 04 49 05 31 13 15 16 52 21 12 7.9 4.4 55 1024 0709 >90 THU JUN 10 19 11 19 54 20 24 00 33 04 19 04 49 05 31 13 20 16 56 21 16 7.9 3.8 47 1115 0050 86 FRI JUN 11 19 12 19 54 20 24 01 09 04 19 04 49 05 31 13 24 17 00 21 20 7.9 3.2 39 1203-0518 77 SAT JUN 12 19 12 19 55 20 25 01 47 04 19 04 49 05 31 13 28 17 04 21 24 7.9 2.5 32 1251-1114 70 SUN JUN 13 19 12 19 55 20 25 14 28 02 25 04 19 04 49 05 31 13 32 17 08 21 28 7.9 1.9 24 1341-1633 63 MON JUN 14 19 13 19 55 20 25 15 23 03 07 04 19 04 49 05 31 13 36 17 12 21 32 7.9 1.2 15 1432-2105 57 TUE JUN 15 19 13 19 56 20 26 16 20 03 51 04 19 04 49 05 32 13 41 17 16 21 36 7.9 0.5 5 1525-2435 52 WED JUN 16 19 13 19 56 20 26 17 16 04 40 04 19 04 49 05 32 13 45 17 20 21 40 7.9 0.0 0 1620-2653 49 THU JUN 17 19 13 19 56 20 26 18 11 05 31 04 19 04 49 05 32 13 49 17 24 21 43 7.9 0.0 0 1715-2751 48 FRI JUN 18 19 14 19 56 20 27 19 03 06 25 04 19 04 49 05 32 13 54 17 28 21 47 7.9 0.0 0 1811-2727 48 SAT JUN 19 19 14 19 57 20 27 19 51 04 19 04 50 05 32 13 58 17 32 21 51 7.9 0.0 0 1904-2546 51 SUN JUN 20 19 14 19 57 20 27 20 35 04 20 04 50 05 32 14 02 17 36 21 56 7.9 0.1 1 1955-2257 55 MON JUN 21 19 14 19 57 20 27 21 15 04 20 04 50 05 33 14 06 17 40 22 00 7.9 0.8 10 2044-1912 60 TUE JUN 22 19 15 19 57 20 28 21 51 04 20 04 50 05 33 14 11 17 43 22 04 7.9 1.4 17 2130-1444 66 WED JUN 23 19 15 19 58 20 28 22 25 04 20 04 50 05 33 14 15 17 47 22 08 7.9 1.9 24 2215-0944 72 THU JUN 24 19 15 19 58 20 28 22 58 04 21 04 51 05 33 14 19 17 51 22 13 7.9 2.5 31 2258-0419 79 FRI JUN 25 19 15 19 58 20 28 23 30 04 21 04 51 05 34 14 23 17 55 22 17 7.9 3.0 38 2341 0108 86 SAT JUN 26 19 15 19 58 20 28 00 03 04 21 04 51 05 34 14 27 17 59 22 21 7.9 3.6 45 0026 0648 >90 SUN JUN 27 19 16 19 58 20 28 00 39 04 21 04 52 05 34 14 31 18 03 22 25 7.9 4.2 53 0113 1214 >90 MON JUN 28 19 16 19 58 20 28 01 18 14 06 04 22 04 52 05 35 14 35 18 07 22 30 7.9 4.8 61 0203 1716 >90 TUE JUN 29 19 16 19 58 20 28 02 03 15 05 04 22 04 52 05 35 14 38 18 11 22 34 7.9 5.6 70 0257 2133 >90 WED JUN 30 19 16 19 58 20 29 02 56 16 08 04 22 04 53 05 35 14 43 18 15 22 38 7.9 6.4 81 0357 2443 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Jun 04 19:40 UT AND FOLLOWING MORNING. FIRST QUARTER Jun 11 10:56 UT All dates and times are zone HST FULL MOON Jun 19 00:43 UT in upper table (except sid time). LAST QUARTER Jun 27 04:54 UT