KECK OBSERVATORY CALENDAR FOR 2046 -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 2046 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 SUN APR 01 18 46 19 24 19 50 03 49 15 15 05 02 05 28 06 06 08 11 12 22 17 25 9.2 8.0 86 2202-1050 >90 MON APR 02 18 46 19 24 19 50 04 21 16 04 05 01 05 27 06 05 08 15 12 26 17 28 9.2 8.5 92 2245-0544 >90 TUE APR 03 18 47 19 24 19 51 04 52 16 51 05 00 05 26 06 04 08 20 12 30 17 30 9.1 9.0 98 2326-0028 >90 WED APR 04 18 47 19 25 19 51 05 24 17 39 04 59 05 25 06 03 08 24 12 34 17 33 9.1 9.1 100 0008 0450 >90 THU APR 05 18 47 19 25 19 51 05 57 18 28 04 58 05 24 06 02 08 28 12 38 17 36 9.1 9.1 100 0051 0959 >90 FRI APR 06 18 47 19 25 19 52 06 32 19 18 04 57 05 23 06 01 08 33 12 41 17 39 9.1 9.1 100 0136 1449 >90 SAT APR 07 18 48 19 26 19 52 20 11 04 56 05 22 06 00 08 37 12 45 17 42 9.1 8.8 96 0223 1906 >90 SUN APR 08 18 48 19 26 19 52 21 06 04 55 05 21 06 00 08 41 12 49 17 45 9.0 7.8 86 0314 2238 >90 MON APR 09 18 48 19 26 19 53 22 03 04 54 05 20 05 59 08 46 12 53 17 48 9.0 6.9 75 0407 2509 >90 TUE APR 10 18 48 19 27 19 53 23 00 04 53 05 20 05 58 08 50 12 57 17 51 9.0 5.9 65 0504 2625 >90 WED APR 11 18 49 19 27 19 53 23 56 04 52 05 19 05 57 08 54 13 01 17 54 9.0 4.9 54 0602 2615 >90 THU APR 12 18 49 19 27 19 54 00 49 04 51 05 18 05 56 08 58 13 05 17 57 9.0 4.0 45 0701 2431 83 FRI APR 13 18 49 19 28 19 54 01 39 04 50 05 17 05 55 09 02 13 09 18 00 8.9 3.2 35 0758 2121 72 SAT APR 14 18 50 19 28 19 55 02 24 04 50 05 16 05 55 09 07 13 13 18 04 8.9 2.4 27 0855 1649 61 SUN APR 15 18 50 19 29 19 55 03 06 04 49 05 15 05 54 09 11 13 17 18 07 8.9 1.7 19 0949 1112 51 MON APR 16 18 50 19 29 19 56 14 45 03 47 04 48 05 14 05 53 09 16 13 21 18 10 8.9 1.0 11 1043 0449 41 TUE APR 17 18 51 19 29 19 56 15 46 04 28 04 47 05 14 05 52 09 20 13 25 18 13 8.9 0.3 3 1137-0158 34 WED APR 18 18 51 19 30 19 56 16 48 05 09 04 46 05 13 05 51 09 24 13 29 18 16 8.8 0.0 0 1231-0843 32 THU APR 19 18 51 19 30 19 57 17 51 05 54 04 45 05 12 05 51 09 29 13 33 18 19 8.8 0.0 0 1328-1459 35 FRI APR 20 18 52 19 30 19 57 18 55 06 42 04 44 05 11 05 50 09 33 13 37 18 21 8.8 0.0 0 1426-2019 42 SAT APR 21 18 52 19 31 19 58 20 00 04 43 05 10 05 49 09 38 13 41 18 24 8.7 0.0 0 1527-2419 51 SUN APR 22 18 52 19 31 19 58 21 04 04 42 05 09 05 49 09 42 13 45 18 27 8.7 1.1 12 1629-2643 61 MON APR 23 18 53 19 32 19 59 22 05 04 42 05 09 05 48 09 47 13 48 18 31 8.7 2.1 24 1730-2726 72 TUE APR 24 18 53 19 32 19 59 23 01 04 41 05 08 05 47 09 51 13 52 18 34 8.7 3.0 34 1829-2627 82 WED APR 25 18 53 19 32 20 00 23 51 04 40 05 07 05 46 09 56 13 56 18 37 8.7 3.9 44 1921-2352 >90 THU APR 26 18 54 19 33 20 00 00 35 04 39 05 06 05 46 10 00 14 00 18 40 8.7 4.6 52 2017-2054 >90 FRI APR 27 18 54 19 33 20 01 01 14 04 38 05 06 05 45 10 05 14 04 18 43 8.6 5.2 60 2106-1647 >90 SAT APR 28 18 54 19 34 20 01 01 49 04 37 05 05 05 44 10 09 14 08 18 46 8.6 5.8 67 2151-1207 >90 SUN APR 29 18 55 19 34 20 02 02 22 04 37 05 04 05 44 10 13 14 12 18 50 8.6 6.3 73 2234-0704 >90 MON APR 30 18 55 19 35 20 02 02 53 14 47 04 36 05 03 05 43 10 17 14 16 18 53 8.6 6.9 79 2316-0150 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Apr 06 11:53 UT AND FOLLOWING MORNING. FIRST QUARTER Apr 14 03:22 UT All dates and times are zone HST FULL MOON Apr 20 18:21 UT in upper table (except sid time). LAST QUARTER Apr 27 23:31 UT