KECK OBSERVATORY CALENDAR FOR 2030 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2030 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg MON APR 01 18 46 19 24 19 50 05 45 18 05 05 02 05 28 06 06 07 45 12 21 17 50 10.1 10.1 100 0018 0646 >90 TUE APR 02 18 46 19 24 19 50 06 22 18 55 05 01 05 27 06 05 07 48 12 25 17 53 10.1 10.1 100 0104 1105 >90 WED APR 03 18 47 19 24 19 51 19 46 05 00 05 26 06 04 07 52 12 29 17 56 10.0 9.7 96 0150 1453 >90 THU APR 04 18 47 19 25 19 51 20 38 04 59 05 25 06 03 07 57 12 33 17 59 10.0 8.8 87 0238 1803 >90 FRI APR 05 18 47 19 25 19 51 21 29 04 58 05 24 06 02 08 01 12 37 18 02 10.0 7.9 79 0327 2027 >90 SAT APR 06 18 47 19 25 19 52 22 20 04 57 05 23 06 01 08 05 12 41 18 05 10.0 7.0 70 0417 2156 >90 SUN APR 07 18 48 19 26 19 52 23 10 04 56 05 22 06 00 08 10 12 45 18 08 9.9 6.2 62 0507 2227 >90 MON APR 08 18 48 19 26 19 52 23 58 04 55 05 21 06 00 08 14 12 49 18 11 9.9 5.4 54 0559 2157 >90 TUE APR 09 18 48 19 26 19 53 00 44 04 54 05 20 05 59 08 18 12 53 18 14 9.9 4.6 46 0651 2022 84 WED APR 10 18 48 19 27 19 53 01 28 04 53 05 20 05 58 08 23 12 57 18 18 9.9 3.9 39 0742 1751 74 THU APR 11 18 49 19 27 19 53 02 10 04 52 05 19 05 57 08 27 13 01 18 21 9.9 3.1 31 0832 1423 64 FRI APR 12 18 49 19 27 19 54 02 50 04 51 05 18 05 56 08 31 13 05 18 24 9.8 2.5 25 0923 1005 54 SAT APR 13 18 49 19 28 19 54 14 29 03 31 04 50 05 17 05 55 08 36 13 09 18 26 9.8 1.8 17 1014 0507 45 SUN APR 14 18 50 19 28 19 55 15 26 04 12 04 50 05 16 05 55 08 40 13 13 18 29 9.8 1.1 10 1106-0019 37 MON APR 15 18 50 19 29 19 55 16 25 04 54 04 49 05 15 05 54 08 45 13 16 18 32 9.8 0.3 3 1200-0556 32 TUE APR 16 18 50 19 29 19 56 17 26 05 41 04 48 05 14 05 53 08 49 13 20 18 35 9.7 0.0 0 1256-1123 32 WED APR 17 18 51 19 29 19 56 18 30 06 31 04 47 05 14 05 52 08 53 13 24 18 39 9.7 0.0 0 1356-1615 37 THU APR 18 18 51 19 30 19 56 19 36 04 46 05 13 05 51 08 58 13 28 18 42 9.7 0.1 1 1458-2005 46 FRI APR 19 18 51 19 30 19 57 20 43 04 45 05 12 05 51 09 01 13 32 18 45 9.7 1.2 12 1603-2232 56 SAT APR 20 18 52 19 30 19 57 21 47 04 44 05 11 05 50 09 05 13 36 18 48 9.7 2.3 23 1708-2321 67 SUN APR 21 18 52 19 31 19 58 22 48 04 43 05 10 05 49 09 10 13 40 18 51 9.7 3.3 34 1811-2231 79 MON APR 22 18 52 19 31 19 58 23 43 04 42 05 09 05 49 09 14 13 44 18 54 9.6 4.2 43 1910-2010 90 TUE APR 23 18 53 19 32 19 59 00 33 04 42 05 09 05 48 09 19 13 48 18 58 9.6 5.0 52 2008-1704 >90 WED APR 24 18 53 19 32 19 59 01 16 04 41 05 08 05 47 09 23 13 52 19 01 9.6 5.7 59 2101-1300 >90 THU APR 25 18 53 19 32 20 00 01 57 04 40 05 07 05 46 09 27 13 56 19 04 9.6 6.4 66 2150-0828 >90 FRI APR 26 18 54 19 33 20 00 02 34 14 19 04 39 05 06 05 46 09 32 14 00 19 07 9.6 7.0 73 2238-0343 >90 SAT APR 27 18 54 19 33 20 01 03 10 15 11 04 38 05 06 05 45 09 36 14 04 19 11 9.6 7.6 79 2323 0105 >90 SUN APR 28 18 54 19 34 20 01 03 46 16 01 04 37 05 05 05 44 09 41 14 08 19 14 9.5 8.2 86 0009 0544 >90 MON APR 29 18 55 19 34 20 02 04 22 16 51 04 37 05 04 05 44 09 45 14 12 19 16 9.5 8.8 92 0054 1004 >90 TUE APR 30 18 55 19 35 20 02 05 00 17 42 04 36 05 03 05 43 09 50 14 16 19 19 9.5 9.4 99 0140 1357 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Apr 02 22:01 UT AND FOLLOWING MORNING. FIRST QUARTER Apr 11 02:58 UT All dates and times are zone HST FULL MOON Apr 18 03:19 UT in upper table (except sid time). LAST QUARTER Apr 24 18:39 UT