KECK OBSERVATORY CALENDAR FOR 2028 -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 2028 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 THU JUN 01 19 08 19 51 20 20 02 06 04 19 04 49 05 31 12 43 16 24 20 43 8.0 2.2 27 1226-0901 65 FRI JUN 02 19 09 19 51 20 21 14 43 02 48 04 19 04 49 05 31 12 48 16 28 20 47 8.0 1.5 19 1320-1440 58 SAT JUN 03 19 09 19 51 20 21 15 43 03 33 04 19 04 49 05 31 12 52 16 32 20 51 8.0 0.8 9 1415-1933 52 SUN JUN 04 19 10 19 52 20 22 16 44 04 23 04 19 04 49 05 31 12 57 16 35 20 55 7.9 0.0 0 1513-2319 48 MON JUN 05 19 10 19 52 20 22 17 46 05 16 04 19 04 49 05 31 13 01 16 39 20 59 7.9 0.0 0 1612-2544 46 TUE JUN 06 19 10 19 53 20 23 18 45 06 12 04 19 04 49 05 31 13 06 16 43 21 03 7.9 0.0 0 1712-2637 47 WED JUN 07 19 11 19 53 20 23 19 41 04 19 04 49 05 31 13 10 16 47 21 07 7.9 0.0 0 1811-2559 50 THU JUN 08 19 11 19 53 20 23 20 32 04 19 04 49 05 31 13 14 16 51 21 11 7.9 0.1 1 1907-2359 55 FRI JUN 09 19 11 19 54 20 24 21 18 04 19 04 49 05 31 13 19 16 55 21 15 7.9 0.9 11 2000-2052 61 SAT JUN 10 19 12 19 54 20 24 21 59 04 19 04 49 05 31 13 23 16 59 21 19 7.9 1.6 20 2050-1654 68 SUN JUN 11 19 12 19 55 20 25 22 35 04 19 04 49 05 31 13 28 17 03 21 23 7.9 2.2 27 2136-1221 75 MON JUN 12 19 12 19 55 20 25 23 09 04 19 04 49 05 31 13 31 17 07 21 27 7.9 2.7 34 2220-0721 82 TUE JUN 13 19 13 19 55 20 25 23 42 04 19 04 49 05 31 13 35 17 11 21 31 7.9 3.3 41 2302-0208 89 WED JUN 14 19 13 19 56 20 26 00 14 04 19 04 49 05 32 13 40 17 15 21 35 7.9 3.8 48 2346 0255 >90 THU JUN 15 19 13 19 56 20 26 00 46 04 19 04 49 05 32 13 44 17 19 21 39 7.9 4.3 54 0030 0759 >90 FRI JUN 16 19 13 19 56 20 26 01 21 04 19 04 49 05 32 13 48 17 23 21 43 7.9 4.9 62 0115 1249 >90 SAT JUN 17 19 14 19 56 20 27 01 59 14 49 04 19 04 49 05 32 13 53 17 27 21 46 7.9 5.5 70 0202 1711 >90 SUN JUN 18 19 14 19 57 20 27 02 42 15 44 04 19 04 50 05 32 13 57 17 31 21 50 7.9 6.2 79 0253 2053 >90 MON JUN 19 19 14 19 57 20 27 03 31 16 42 04 20 04 50 05 32 14 01 17 35 21 55 7.9 7.1 89 0348 2336 >90 TUE JUN 20 19 14 19 57 20 27 04 26 17 42 04 20 04 50 05 33 14 05 17 39 21 59 7.9 7.9 100 0446 2504 >90 WED JUN 21 19 15 19 57 20 28 05 26 18 41 04 20 04 50 05 33 14 10 17 43 22 03 7.9 7.9 100 0546 2504 >90 THU JUN 22 19 15 19 58 20 28 06 30 19 39 04 20 04 50 05 33 14 14 17 46 22 07 7.9 7.9 100 0647 2328 >90 FRI JUN 23 19 15 19 58 20 28 20 32 04 21 04 51 05 33 14 18 17 50 22 12 7.9 7.8 99 0747 2021 >90 SAT JUN 24 19 15 19 58 20 28 21 21 04 21 04 51 05 34 14 22 17 54 22 16 7.9 7.0 88 0844 1556 >90 SUN JUN 25 19 15 19 58 20 28 22 05 04 21 04 51 05 34 14 26 17 58 22 20 7.9 6.3 79 0939 1034 >90 MON JUN 26 19 16 19 58 20 28 22 46 04 21 04 52 05 34 14 30 18 02 22 24 7.9 5.6 70 1031 0436 >90 TUE JUN 27 19 16 19 58 20 28 23 26 04 22 04 52 05 35 14 34 18 06 22 29 7.9 4.9 62 1123-0137 >90 WED JUN 28 19 16 19 58 20 28 00 06 04 22 04 52 05 35 14 38 18 10 22 33 7.9 4.3 54 1218-0720 >90 THU JUN 29 19 16 19 58 20 29 00 47 04 22 04 53 05 35 14 42 18 14 22 37 7.9 3.6 45 1306-1323 83 FRI JUN 30 19 16 19 58 20 29 01 30 04 23 04 53 05 35 14 46 18 18 22 42 7.9 2.9 36 1400-1827 74 ONE LINE REFERS TO EVENING DATE FULL MOON Jun 07 06:10 UT AND FOLLOWING MORNING. LAST QUARTER Jun 15 04:27 UT All dates and times are zone HST NEW MOON Jun 22 18:27 UT in upper table (except sid time). FIRST QUARTER Jun 29 12:11 UT