LICK OBSERVATORY CALENDAR FOR 2021 -NAUTICAL (computed for altitude 1283.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2021 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 THU APR 01 18 35 19 26 19 57 23 28 04 23 04 55 05 45 08 02 12 37 17 33 9.5 4.0 42 1700-2326 87 FRI APR 02 18 36 19 27 19 59 00 36 04 22 04 53 05 44 08 07 12 41 17 35 9.4 5.1 54 1803-2532 >90 SAT APR 03 18 37 19 28 20 00 01 37 04 20 04 52 05 42 08 12 12 45 17 38 9.4 6.1 65 1904-2551 >90 SUN APR 04 18 38 19 29 20 01 02 29 04 18 04 50 05 41 08 17 12 49 17 40 9.3 7.0 74 2003-2440 >90 MON APR 05 18 39 19 30 20 02 03 13 04 16 04 49 05 40 08 22 12 53 17 43 9.3 7.7 82 2059-2211 >90 TUE APR 06 18 40 19 31 20 03 03 49 04 15 04 47 05 38 08 27 12 57 17 44 9.3 8.3 89 2152-1840 >90 WED APR 07 18 41 19 32 20 04 04 21 04 13 04 45 05 37 08 32 13 01 17 46 9.2 8.8 95 2241-1423 >90 THU APR 08 18 41 19 33 20 05 04 48 04 11 04 44 05 35 08 37 13 05 17 49 9.2 9.2 100 2327-0937 >90 FRI APR 09 18 42 19 34 20 06 05 14 16 39 04 10 04 42 05 34 08 42 13 09 17 51 9.1 9.1 100 0012-0434 >90 SAT APR 10 18 43 19 35 20 07 05 38 17 37 04 08 04 41 05 32 08 47 13 12 17 54 9.1 9.1 100 0055 0034 >90 SUN APR 11 18 44 19 36 20 09 06 03 18 35 04 06 04 39 05 31 08 52 13 16 17 56 9.0 9.0 100 0138 0537 >90 MON APR 12 18 45 19 37 20 10 06 28 19 33 04 05 04 38 05 29 08 57 13 20 17 59 9.0 9.0 100 0222 1025 >90 TUE APR 13 18 46 19 38 20 11 06 56 20 31 04 03 04 36 05 28 09 02 13 24 18 01 9.0 8.1 90 0307 1448 >90 WED APR 14 18 47 19 39 20 12 07 27 21 29 04 01 04 35 05 27 09 07 13 28 18 04 8.9 7.1 79 0353 1836 >90 THU APR 15 18 48 19 40 20 13 08 03 22 28 04 00 04 33 05 25 09 11 13 32 18 06 8.9 6.1 68 0442 2139 >90 FRI APR 16 18 49 19 41 20 15 08 46 23 26 03 58 04 31 05 24 09 16 13 36 18 08 8.8 5.1 57 0532 2347 >90 SAT APR 17 18 50 19 42 20 16 00 21 03 56 04 30 05 22 09 21 13 40 18 11 8.8 4.2 47 0626 2436 89 SUN APR 18 18 51 19 43 20 17 01 12 03 55 04 28 05 21 09 26 13 44 18 13 8.7 3.3 37 0719 2439 80 MON APR 19 18 51 19 44 20 18 01 57 03 53 04 27 05 20 09 31 13 48 18 16 8.7 2.5 28 0813 2317 71 TUE APR 20 18 52 19 45 20 19 02 38 03 51 04 25 05 18 09 36 13 52 18 18 8.7 1.8 20 0908 2037 63 WED APR 21 18 53 19 46 20 21 03 14 03 50 04 24 05 17 09 41 13 56 18 21 8.6 1.2 13 1002 1646 55 THU APR 22 18 54 19 47 20 22 03 47 03 48 04 22 05 16 09 46 14 00 18 22 8.6 0.6 6 1055 1150 48 FRI APR 23 18 55 19 48 20 23 04 18 03 46 04 21 05 14 09 51 14 04 18 25 8.6 0.0 0 1148 0604 44 SAT APR 24 18 56 19 50 20 24 16 06 04 48 03 45 04 20 05 13 09 57 14 08 18 28 8.5 0.0 0 1242-0016 42 SUN APR 25 18 57 19 51 20 26 17 18 05 20 03 43 04 18 05 12 10 02 14 12 18 30 8.4 0.0 0 1337-0646 45 MON APR 26 18 58 19 52 20 27 18 33 05 54 03 42 04 17 05 11 10 07 14 16 18 33 8.4 0.0 0 1434-1259 50 TUE APR 27 18 59 19 53 20 28 19 50 06 34 03 40 04 15 05 09 10 12 14 19 18 35 8.4 0.0 0 1534-1827 58 WED APR 28 19 00 19 54 20 29 21 07 07 20 03 38 04 14 05 08 10 17 14 23 18 38 8.3 1.2 14 1636-2242 68 THU APR 29 19 01 19 55 20 31 22 20 08 14 03 37 04 12 05 07 10 22 14 27 18 40 8.3 2.4 29 1740-2517 77 FRI APR 30 19 02 19 56 20 32 23 27 03 35 04 11 05 06 10 27 14 31 18 43 8.3 3.5 42 1844-2605 87 ONE LINE REFERS TO EVENING DATE LAST QUARTER Apr 04 10:03 UT AND FOLLOWING MORNING. NEW MOON Apr 12 02:29 UT All dates and times are zone PST FIRST QUARTER Apr 20 07:00 UT in upper table (except sid time). FULL MOON Apr 27 03:31 UT