KECK OBSERVATORY CALENDAR FOR 2037 -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 2037 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 WED JUL 01 19 16 19 58 20 29 22 17 04 23 04 53 05 35 14 50 18 21 22 45 7.9 1.8 22 2236-1253 71 THU JUL 02 19 16 19 59 20 29 22 55 04 23 04 53 05 36 14 54 18 25 22 49 7.9 2.4 30 2322-0859 79 FRI JUL 03 19 16 19 59 20 29 23 30 04 24 04 54 05 36 14 58 18 29 22 54 7.9 3.0 38 0007-0448 87 SAT JUL 04 19 16 19 59 20 29 00 06 04 24 04 54 05 36 15 01 18 33 22 58 7.9 3.6 45 0052-0035 >90 SUN JUL 05 19 16 19 59 20 28 00 41 04 24 04 54 05 37 15 04 18 37 23 02 7.9 4.2 53 0136 0345 >90 MON JUL 06 19 16 19 58 20 28 01 18 04 25 04 55 05 37 15 08 18 41 23 07 7.9 4.8 60 0222 0757 >90 TUE JUL 07 19 16 19 58 20 28 01 57 14 30 04 25 04 55 05 37 15 12 18 45 23 11 7.9 5.5 68 0310 1154 >90 WED JUL 08 19 16 19 58 20 28 02 40 15 23 04 26 04 56 05 38 15 16 18 49 23 16 8.0 6.2 77 0400 1523 >90 THU JUL 09 19 16 19 58 20 28 03 27 16 19 04 26 04 56 05 38 15 20 18 53 23 20 8.0 7.0 87 0453 1811 >90 FRI JUL 10 19 16 19 58 20 28 04 20 17 17 04 27 04 56 05 39 15 24 18 57 23 24 8.0 7.9 98 0550 2003 >90 SAT JUL 11 19 16 19 58 20 28 05 18 18 17 04 27 04 57 05 39 15 28 19 01 23 28 8.0 8.0 100 0649 2044 >90 SUN JUL 12 19 16 19 58 20 27 06 19 19 15 04 28 04 57 05 39 15 31 19 05 23 33 8.0 8.0 100 0749 2007 >90 MON JUL 13 19 16 19 58 20 27 20 11 04 28 04 58 05 40 15 35 19 09 23 37 8.0 8.0 100 0849 1810 >90 TUE JUL 14 19 15 19 57 20 27 21 05 04 29 04 58 05 40 15 39 19 12 23 42 8.0 7.4 92 0948 1500 >90 WED JUL 15 19 15 19 57 20 27 21 53 04 29 04 59 05 40 15 43 19 16 23 46 8.0 6.6 82 1045 1052 >90 THU JUL 16 19 15 19 57 20 26 22 39 04 30 04 59 05 41 15 46 19 20 23 51 8.1 5.9 72 1141 0605 >90 FRI JUL 17 19 15 19 57 20 26 23 23 04 30 05 00 05 41 15 50 19 24 23 55 8.1 5.1 63 1234 0058 >90 SAT JUL 18 19 15 19 56 20 26 00 06 04 31 05 00 05 42 15 54 19 28 00 00 8.1 4.4 54 1332-0347 >90 SUN JUL 19 19 14 19 56 20 25 00 49 04 31 05 00 05 42 15 57 19 32 00 04 8.1 3.7 45 1420-0901 82 MON JUL 20 19 14 19 56 20 25 01 33 04 32 05 01 05 42 16 01 19 36 00 09 8.1 3.0 36 1513-1327 73 TUE JUL 21 19 14 19 55 20 24 14 22 02 19 04 32 05 01 05 43 16 04 19 40 00 13 8.1 2.2 27 1607-1705 64 WED JUL 22 19 14 19 55 20 24 15 19 03 07 04 33 05 02 05 43 16 07 19 44 00 18 8.2 1.4 17 1702-1948 56 THU JUL 23 19 13 19 55 20 24 16 15 03 58 04 33 05 02 05 44 16 11 19 48 00 22 8.2 0.6 7 1757-2128 49 FRI JUL 24 19 13 19 54 20 23 17 09 04 50 04 34 05 03 05 44 16 14 19 52 00 27 8.2 0.0 0 1853-2159 44 SAT JUL 25 19 13 19 54 20 23 18 01 05 43 04 34 05 03 05 44 16 18 19 56 00 31 8.2 0.0 0 1948-2124 41 SUN JUL 26 19 12 19 53 20 22 18 49 06 36 04 35 05 04 05 45 16 21 20 00 00 36 8.2 0.0 0 2041-1946 41 MON JUL 27 19 12 19 53 20 21 19 34 04 35 05 04 05 45 16 24 20 04 00 40 8.2 0.0 0 2132-1716 43 TUE JUL 28 19 11 19 52 20 21 20 15 04 36 05 05 05 46 16 28 20 08 00 44 8.2 0.0 0 2221-1404 47 WED JUL 29 19 11 19 52 20 20 20 53 04 37 05 05 05 46 16 31 20 12 00 49 8.3 0.5 6 2308-1020 53 THU JUL 30 19 10 19 51 20 20 21 29 04 37 05 06 05 46 16 35 20 16 00 53 8.3 1.1 13 2353-0615 59 FRI JUL 31 19 10 19 51 20 19 22 05 04 38 05 06 05 47 16 38 20 20 00 58 8.3 1.8 21 0038-0158 67 ONE LINE REFERS TO EVENING DATE LAST QUARTER Jul 05 16:00 UT AND FOLLOWING MORNING. NEW MOON Jul 13 02:31 UT All dates and times are zone HST FIRST QUARTER Jul 19 18:32 UT in upper table (except sid time). FULL MOON Jul 27 04:14 UT