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 TUE SEP 01 18 48 19 26 19 53 23 10 04 52 05 18 05 56 18 18 22 26 03 18 9.0 3.3 36 0416 1636 82 WED SEP 02 18 47 19 25 19 52 23 56 04 52 05 18 05 57 18 21 22 30 03 22 9.0 4.1 45 0503 1832 >90 THU SEP 03 18 46 19 24 19 51 00 47 04 52 05 19 05 57 18 24 22 34 03 26 9.0 4.9 54 0604 2035 >90 FRI SEP 04 18 45 19 23 19 50 01 42 14 43 04 53 05 19 05 57 18 27 22 38 03 31 9.0 5.9 64 0702 2058 >90 SAT SEP 05 18 44 19 22 19 49 02 43 15 40 04 53 05 19 05 57 18 30 22 41 03 35 9.1 6.9 76 0801 2003 >90 SUN SEP 06 18 43 19 21 19 48 03 46 16 35 04 53 05 19 05 57 18 33 22 45 03 39 9.1 8.0 87 0901 1749 >90 MON SEP 07 18 43 19 21 19 47 04 51 17 29 04 54 05 20 05 58 18 36 22 49 03 44 9.1 9.1 99 1001 1421 >90 TUE SEP 08 18 42 19 20 19 46 05 57 18 19 04 54 05 20 05 58 18 39 22 53 03 48 9.1 9.1 100 1059 0952 >90 WED SEP 09 18 41 19 19 19 45 19 07 04 54 05 20 05 58 18 42 22 57 03 52 9.2 9.2 100 1156 0443 >90 THU SEP 10 18 40 19 18 19 44 19 53 04 54 05 20 05 58 18 44 23 01 03 56 9.2 9.0 98 1252-0044 >90 FRI SEP 11 18 39 19 17 19 43 20 39 04 55 05 21 05 59 18 47 23 05 04 01 9.2 8.3 89 1347-0605 >90 SAT SEP 12 18 38 19 16 19 42 21 25 04 55 05 21 05 59 18 50 23 09 04 05 9.2 7.5 81 1443-1101 >90 SUN SEP 13 18 37 19 15 19 41 22 12 04 55 05 21 05 59 18 53 23 13 04 09 9.2 6.7 72 1538-1514 >90 MON SEP 14 18 36 19 14 19 40 23 00 04 56 05 21 05 59 18 56 23 17 04 14 9.3 5.9 64 1633-1832 >90 TUE SEP 15 18 35 19 13 19 39 23 50 04 56 05 22 05 59 18 59 23 21 04 18 9.3 5.1 54 1729-2046 >90 WED SEP 16 18 34 19 12 19 38 00 42 04 56 05 22 06 00 19 02 23 25 04 22 9.3 4.2 45 1825-2148 84 THU SEP 17 18 33 19 11 19 37 01 34 04 56 05 22 06 00 19 05 23 29 04 26 9.3 3.4 36 1919-2151 74 FRI SEP 18 18 32 19 10 19 36 14 44 02 26 04 57 05 22 06 00 19 08 23 33 04 31 9.3 2.5 26 2012-2045 64 SAT SEP 19 18 32 19 09 19 35 15 30 03 18 04 57 05 23 06 00 19 11 23 37 04 34 9.4 1.6 17 2103-1842 54 SUN SEP 20 18 31 19 08 19 34 16 13 04 09 04 57 05 23 06 00 19 14 23 41 04 38 9.4 0.8 8 2152-1551 45 MON SEP 21 18 30 19 07 19 33 16 53 04 58 04 57 05 23 06 01 19 17 23 45 04 42 9.4 0.0 0 2240-1223 36 TUE SEP 22 18 29 19 06 19 32 17 30 05 47 04 58 05 23 06 01 19 20 23 48 04 47 9.4 0.0 0 2326-0826 29 WED SEP 23 18 28 19 05 19 31 18 05 06 35 04 58 05 23 06 01 19 23 23 52 04 51 9.5 0.0 0 0011-0410 24 THU SEP 24 18 27 19 05 19 30 18 40 04 58 05 24 06 01 19 26 23 56 04 55 9.5 0.0 0 0056 0015 24 FRI SEP 25 18 26 19 04 19 29 19 15 04 58 05 24 06 01 19 29 00 00 04 59 9.5 0.0 0 0141 0440 29 SAT SEP 26 18 25 19 03 19 28 19 51 04 59 05 24 06 02 19 32 00 04 05 04 9.5 0.4 4 0227 0854 36 SUN SEP 27 18 24 19 02 19 27 20 28 04 59 05 24 06 02 19 34 00 08 05 08 9.5 1.0 10 0314 1248 45 MON SEP 28 18 23 19 01 19 26 21 08 04 59 05 25 06 02 19 37 00 12 05 12 9.6 1.7 17 0403 1611 55 TUE SEP 29 18 23 19 00 19 26 21 52 04 59 05 25 06 02 19 41 00 16 05 16 9.6 2.4 25 0454 1851 65 WED SEP 30 18 22 18 59 19 25 22 39 05 00 05 25 06 03 19 44 00 20 05 21 9.6 3.2 33 0548 2037 76 ONE LINE REFERS TO EVENING DATE LAST QUARTER Sep 02 22:03 UT AND FOLLOWING MORNING. NEW MOON Sep 09 18:25 UT All dates and times are zone HST FIRST QUARTER Sep 16 10:34 UT in upper table (except sid time). FULL MOON Sep 24 11:32 UT