LICK OBSERVATORY CALENDAR FOR 2020 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2020 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 WED APR 01 18 36 19 27 19 59 02 35 04 22 04 53 05 44 08 36 12 38 17 01 8.4 1.8 21 0742 2239 64 THU APR 02 18 37 19 28 20 00 03 23 04 20 04 52 05 42 08 41 12 42 17 03 8.3 1.0 11 0841 2044 54 FRI APR 03 18 38 19 29 20 01 04 06 04 18 04 50 05 41 08 46 12 46 17 05 8.3 0.2 2 0940 1725 45 SAT APR 04 18 39 19 30 20 02 04 45 04 16 04 49 05 40 08 51 12 50 17 06 8.2 0.0 0 1039 1253 38 SUN APR 05 18 40 19 31 20 03 05 21 04 15 04 47 05 38 08 56 12 54 17 09 8.2 0.0 0 1136 0723 35 MON APR 06 18 41 19 32 20 04 17 03 05 55 04 13 04 45 05 37 09 01 12 58 17 11 8.1 0.0 0 1233 0118 36 TUE APR 07 18 41 19 33 20 05 18 17 06 29 04 11 04 44 05 35 09 06 13 02 17 13 8.1 0.0 0 1329-0455 43 WED APR 08 18 42 19 34 20 06 19 32 07 05 04 10 04 42 05 34 09 11 13 06 17 16 8.1 0.0 0 1427-1049 52 THU APR 09 18 43 19 35 20 07 20 46 07 44 04 08 04 41 05 32 09 16 13 09 17 18 8.0 0.6 8 1525-1600 62 FRI APR 10 18 44 19 36 20 09 21 58 08 27 04 06 04 39 05 31 09 22 13 13 17 20 8.0 1.8 22 1624-2006 73 SAT APR 11 18 45 19 37 20 10 23 06 04 05 04 38 05 29 09 27 13 17 17 23 7.9 2.9 37 1723-2245 83 SUN APR 12 18 46 19 38 20 11 00 09 04 03 04 36 05 28 09 32 13 21 17 25 7.9 4.0 50 1822-2413 >90 MON APR 13 18 47 19 39 20 12 01 05 04 01 04 35 05 27 09 37 13 25 17 27 7.8 4.9 62 1920-2413 >90 TUE APR 14 18 48 19 40 20 13 01 52 04 00 04 33 05 25 09 42 13 29 17 30 7.8 5.6 72 2015-2257 >90 WED APR 15 18 49 19 41 20 15 02 33 03 58 04 31 05 24 09 48 13 33 17 32 7.7 6.3 81 2107-2039 >90 THU APR 16 18 50 19 42 20 16 03 08 03 56 04 30 05 22 09 52 13 37 17 34 7.7 6.9 89 2156-1731 >90 FRI APR 17 18 51 19 43 20 17 03 39 03 55 04 28 05 21 09 57 13 41 17 37 7.6 7.4 96 2243-1344 >90 SAT APR 18 18 51 19 44 20 18 04 07 03 53 04 27 05 20 10 02 13 45 17 39 7.6 7.6 100 2328-0930 >90 SUN APR 19 18 52 19 45 20 19 04 33 03 51 04 25 05 18 10 07 13 49 17 41 7.5 7.5 100 0011-0457 >90 MON APR 20 18 53 19 46 20 21 04 58 16 51 03 50 04 24 05 17 10 13 13 53 17 43 7.5 7.5 100 0054-0016 >90 TUE APR 21 18 54 19 47 20 22 05 23 17 47 03 48 04 22 05 16 10 18 13 57 17 45 7.4 7.4 100 0137 0426 >90 WED APR 22 18 55 19 48 20 23 05 50 18 44 03 46 04 21 05 14 10 23 14 01 17 47 7.4 7.4 100 0221 0859 >90 THU APR 23 18 56 19 50 20 24 06 19 19 42 03 45 04 20 05 13 10 28 14 05 17 50 7.4 7.4 100 0306 1314 >90 FRI APR 24 18 57 19 51 20 26 06 52 20 41 03 43 04 18 05 12 10 34 14 09 17 52 7.3 7.0 96 0353 1658 >90 SAT APR 25 18 58 19 52 20 27 07 31 21 41 03 42 04 17 05 11 10 39 14 13 17 55 7.2 6.0 82 0443 2001 >90 SUN APR 26 18 59 19 53 20 28 08 15 22 41 03 40 04 15 05 09 10 44 14 16 17 57 7.2 5.0 69 0536 2210 >90 MON APR 27 19 00 19 54 20 29 23 38 03 38 04 14 05 08 10 49 14 20 17 59 7.1 4.0 55 0631 2313 >90 TUE APR 28 19 01 19 55 20 31 00 32 03 37 04 12 05 07 10 55 14 24 18 02 7.1 3.1 43 0728 2253 87 WED APR 29 19 02 19 56 20 32 01 20 03 35 04 11 05 06 11 00 14 28 18 04 7.1 2.2 31 0824 2129 78 THU APR 30 19 02 19 57 20 33 02 03 03 34 04 10 05 05 11 05 14 32 18 07 7.0 1.5 21 0921 1842 69 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Apr 01 10:23 UT AND FOLLOWING MORNING. FULL MOON Apr 08 02:33 UT All dates and times are zone PST LAST QUARTER Apr 14 22:56 UT in upper table (except sid time). NEW MOON Apr 23 02:27 UT FIRST QUARTER Apr 30 20:39 UT