KECK OBSERVATORY CALENDAR FOR 2038 -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 2038 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 APR 01 18 46 19 24 19 50 05 11 16 43 05 02 05 28 06 06 08 11 12 22 17 24 9.2 9.2 100 2323-0903 >90 FRI APR 02 18 46 19 24 19 50 05 46 17 32 05 01 05 27 06 05 08 15 12 25 17 27 9.2 9.2 100 0007-0444 >90 SAT APR 03 18 47 19 24 19 51 06 20 18 20 05 00 05 26 06 04 08 20 12 29 17 30 9.1 9.1 100 0050-0017 >90 SUN APR 04 18 47 19 25 19 51 06 54 19 08 04 59 05 25 06 03 08 24 12 33 17 33 9.1 9.1 100 0134 0410 >90 MON APR 05 18 47 19 25 19 51 19 56 04 58 05 24 06 02 08 28 12 37 17 36 9.1 9.0 99 0217 0828 >90 TUE APR 06 18 47 19 25 19 52 20 45 04 57 05 23 06 01 08 33 12 41 17 39 9.1 8.2 90 0302 1229 >90 WED APR 07 18 48 19 26 19 52 21 35 04 56 05 22 06 00 08 36 12 45 17 42 9.1 7.3 81 0349 1602 >90 THU APR 08 18 48 19 26 19 52 22 27 04 55 05 21 06 00 08 40 12 49 17 45 9.0 6.5 71 0437 1858 >90 FRI APR 09 18 48 19 26 19 53 23 20 04 54 05 20 05 59 08 45 12 53 17 48 9.0 5.6 61 0528 2105 >90 SAT APR 10 18 48 19 27 19 53 00 14 04 53 05 20 05 58 08 49 12 57 17 51 9.0 4.6 51 0624 2200 90 SUN APR 11 18 49 19 27 19 53 01 07 04 52 05 19 05 57 08 53 13 01 17 54 9.0 3.8 41 0717 2215 79 MON APR 12 18 49 19 27 19 54 01 58 04 51 05 18 05 56 08 58 13 05 17 57 9.0 2.9 32 0813 2104 68 TUE APR 13 18 49 19 28 19 54 02 48 04 50 05 17 05 55 09 02 13 09 18 00 8.9 2.0 22 0911 1838 56 WED APR 14 18 50 19 28 19 55 14 01 03 36 04 50 05 16 05 55 09 07 13 13 18 04 8.9 1.2 13 1008 1458 44 THU APR 15 18 50 19 29 19 55 15 02 04 22 04 49 05 15 05 54 09 11 13 17 18 06 8.9 0.4 5 1105 1016 33 FRI APR 16 18 50 19 29 19 56 16 05 05 07 04 48 05 14 05 53 09 16 13 21 18 09 8.9 0.0 0 1201 0446 25 SAT APR 17 18 51 19 29 19 56 17 08 05 52 04 47 05 14 05 52 09 20 13 25 18 12 8.9 0.0 0 1258-0109 22 SUN APR 18 18 51 19 30 19 56 18 11 06 39 04 46 05 13 05 51 09 24 13 29 18 15 8.8 0.0 0 1355-0704 28 MON APR 19 18 51 19 30 19 57 19 16 04 45 05 12 05 51 09 29 13 32 18 18 8.8 0.0 0 1454-1232 38 TUE APR 20 18 52 19 30 19 57 20 21 04 44 05 11 05 50 09 33 13 36 18 21 8.8 0.4 4 1554-1709 50 WED APR 21 18 52 19 31 19 58 21 25 04 43 05 10 05 49 09 38 13 40 18 24 8.7 1.4 16 1655-2035 62 THU APR 22 18 52 19 31 19 58 22 28 04 42 05 09 05 49 09 42 13 44 18 27 8.7 2.5 28 1756-2237 75 FRI APR 23 18 53 19 32 19 59 23 27 04 42 05 09 05 48 09 47 13 48 18 31 8.7 3.5 39 1855-2306 86 SAT APR 24 18 53 19 32 19 59 00 21 04 41 05 08 05 47 09 51 13 52 18 34 8.7 4.4 50 1954-2227 >90 SUN APR 25 18 53 19 32 20 00 01 11 04 40 05 07 05 46 09 55 13 56 18 37 8.7 5.2 59 2048-2034 >90 MON APR 26 18 54 19 33 20 00 01 55 04 39 05 06 05 46 09 59 14 00 18 40 8.7 5.9 68 2140-1745 >90 TUE APR 27 18 54 19 33 20 01 02 36 04 38 05 06 05 45 10 04 14 04 18 43 8.6 6.6 76 2228-1415 >90 WED APR 28 18 54 19 34 20 01 03 13 14 39 04 37 05 05 05 44 10 08 14 08 18 46 8.6 7.2 83 2314-1016 >90 THU APR 29 18 55 19 34 20 02 03 48 15 29 04 37 05 04 05 44 10 13 14 12 18 50 8.6 7.8 90 2358-0557 >90 FRI APR 30 18 55 19 35 20 02 04 22 16 17 04 36 05 03 05 43 10 17 14 16 18 53 8.6 8.3 97 0041-0129 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Apr 04 16:43 UT AND FOLLOWING MORNING. FIRST QUARTER Apr 12 18:04 UT All dates and times are zone HST FULL MOON Apr 19 10:35 UT in upper table (except sid time). LAST QUARTER Apr 26 06:16 UT