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 SAT JUL 01 19 16 19 59 20 29 14 37 02 18 04 23 04 53 05 36 14 50 18 22 22 46 7.9 2.1 26 1456-2226 66 SUN JUL 02 19 16 19 59 20 29 15 37 03 09 04 24 04 54 05 36 14 54 18 26 22 51 7.9 1.2 15 1554-2511 58 MON JUL 03 19 16 19 59 20 29 16 36 04 03 04 24 04 54 05 36 14 58 18 30 22 55 7.9 0.3 4 1652-2631 52 TUE JUL 04 19 16 19 59 20 28 17 33 05 00 04 24 04 54 05 37 15 01 18 34 22 58 7.9 0.0 0 1751-2622 47 WED JUL 05 19 16 19 58 20 28 18 25 05 57 04 25 04 55 05 37 15 05 18 38 23 03 7.9 0.0 0 1848-2448 45 THU JUL 06 19 16 19 58 20 28 19 12 06 52 04 25 04 55 05 37 15 09 18 42 23 07 7.9 0.0 0 1942-2202 44 FRI JUL 07 19 16 19 58 20 28 19 55 04 26 04 56 05 38 15 13 18 46 23 12 8.0 0.0 0 2033-1818 46 SAT JUL 08 19 16 19 58 20 28 20 33 04 26 04 56 05 38 15 17 18 50 23 16 8.0 0.1 1 2120-1353 50 SUN JUL 09 19 16 19 58 20 28 21 08 04 27 04 56 05 39 15 21 18 53 23 21 8.0 0.7 8 2206-0901 55 MON JUL 10 19 16 19 58 20 28 21 41 04 27 04 57 05 39 15 25 18 57 23 25 8.0 1.2 15 2249-0353 62 TUE JUL 11 19 16 19 58 20 27 22 13 04 28 04 57 05 39 15 28 19 01 23 30 8.0 1.8 22 2332 0119 69 WED JUL 12 19 16 19 58 20 27 22 45 04 28 04 58 05 40 15 32 19 05 23 34 8.0 2.3 28 0015 0626 76 THU JUL 13 19 15 19 57 20 27 23 18 04 29 04 58 05 40 15 36 19 09 23 39 8.0 2.8 35 0059 1119 84 FRI JUL 14 19 15 19 57 20 27 23 54 04 29 04 59 05 40 15 40 19 13 23 43 8.0 3.4 42 0141 1523 >90 SAT JUL 15 19 15 19 57 20 26 00 34 04 30 04 59 05 41 15 43 19 17 23 48 8.1 4.1 51 0235 1947 >90 SUN JUL 16 19 15 19 57 20 26 01 19 14 27 04 30 05 00 05 41 15 47 19 21 23 52 8.1 4.9 60 0328 2251 >90 MON JUL 17 19 15 19 56 20 26 02 11 15 26 04 31 05 00 05 42 15 50 19 25 23 57 8.1 5.8 71 0424 2447 >90 TUE JUL 18 19 14 19 56 20 25 03 09 16 25 04 31 05 00 05 42 15 53 19 29 00 01 8.1 6.7 83 0523 2520 >90 WED JUL 19 19 14 19 56 20 25 04 12 17 24 04 32 05 01 05 42 15 57 19 33 00 06 8.1 7.8 95 0624 2420 >90 THU JUL 20 19 14 19 55 20 24 05 17 18 20 04 32 05 01 05 43 16 00 19 37 00 10 8.1 8.1 100 0725 2144 >90 FRI JUL 21 19 14 19 55 20 24 06 23 19 11 04 33 05 02 05 43 16 04 19 41 00 15 8.2 8.2 100 0824 1741 >90 SAT JUL 22 19 13 19 55 20 24 19 59 04 33 05 02 05 44 16 08 19 45 00 18 8.2 8.2 100 0921 1230 >90 SUN JUL 23 19 13 19 54 20 23 20 42 04 34 05 03 05 44 16 11 19 49 00 23 8.2 7.9 96 1015 0632 >90 MON JUL 24 19 13 19 54 20 23 21 24 04 34 05 03 05 44 16 15 19 53 00 27 8.2 7.2 87 1108 0013 >90 TUE JUL 25 19 12 19 53 20 22 22 05 04 35 05 04 05 45 16 18 19 57 00 32 8.2 6.5 79 1201-0606 >90 WED JUL 26 19 12 19 53 20 21 22 46 04 35 05 04 05 45 16 21 20 01 00 36 8.2 5.8 70 1253-1201 >90 THU JUL 27 19 11 19 52 20 21 23 30 04 36 05 05 05 46 16 25 20 04 00 41 8.2 5.1 61 1347-1714 >90 FRI JUL 28 19 11 19 52 20 20 00 16 04 37 05 05 05 46 16 28 20 08 00 46 8.3 4.4 52 1444-2117 90 SAT JUL 29 19 10 19 51 20 20 01 06 04 37 05 06 05 46 16 32 20 12 00 50 8.3 3.5 42 1539-2429 80 SUN JUL 30 19 10 19 51 20 19 14 31 01 59 04 38 05 06 05 47 16 35 20 16 00 55 8.3 2.6 31 1637-2613 70 MON JUL 31 19 10 19 50 20 19 15 28 02 54 04 38 05 06 05 47 16 39 20 20 00 59 8.3 1.7 20 1735-2627 61 ONE LINE REFERS TO EVENING DATE FULL MOON Jul 06 18:10 UT AND FOLLOWING MORNING. LAST QUARTER Jul 14 20:57 UT All dates and times are zone HST NEW MOON Jul 22 03:01 UT in upper table (except sid time). FIRST QUARTER Jul 28 17:41 UT