LICK OBSERVATORY CALENDAR FOR 2031 -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 2031 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 MON SEP 01 18 44 19 35 20 08 18 30 07 16 04 06 04 39 05 30 18 46 22 39 02 45 8.0 0.0 0 2326 0026 39 TUE SEP 02 18 42 19 34 20 06 19 05 08 23 04 07 04 40 05 31 18 48 22 42 02 50 8.0 0.0 0 0020 0527 39 WED SEP 03 18 41 19 32 20 05 19 40 04 08 04 41 05 32 18 51 22 46 02 55 8.0 0.0 0 0114 0959 43 THU SEP 04 18 39 19 30 20 03 20 17 04 09 04 41 05 33 18 53 22 50 03 00 8.1 0.2 2 0207 1350 49 FRI SEP 05 18 38 19 29 20 01 20 56 04 10 04 42 05 34 18 55 22 54 03 05 8.2 0.9 11 0300 1648 57 SAT SEP 06 18 36 19 27 19 59 21 38 04 11 04 43 05 34 18 57 22 58 03 10 8.2 1.6 20 0353 1850 66 SUN SEP 07 18 35 19 26 19 58 22 23 04 12 04 44 05 35 19 00 23 02 03 15 8.2 2.4 29 0445 1953 75 MON SEP 08 18 33 19 24 19 56 23 11 04 13 04 45 05 36 19 01 23 06 03 20 8.3 3.2 39 0536 1955 84 TUE SEP 09 18 32 19 22 19 54 00 02 04 14 04 46 05 37 19 03 23 10 03 25 8.3 4.1 49 0627 1909 >90 WED SEP 10 18 30 19 21 19 53 00 56 04 15 04 47 05 38 19 06 23 14 03 30 8.4 5.1 60 0716 1728 >90 THU SEP 11 18 29 19 19 19 51 01 51 04 16 04 48 05 39 19 08 23 18 03 35 8.4 6.0 71 0804 1501 >90 FRI SEP 12 18 27 19 17 19 49 02 47 16 02 04 17 04 49 05 39 19 10 23 22 03 40 8.5 7.0 82 0851 1155 >90 SAT SEP 13 18 25 19 16 19 47 03 44 16 34 04 18 04 50 05 40 19 12 23 26 03 45 8.5 8.0 93 0937 0818 >90 SUN SEP 14 18 24 19 14 19 46 04 42 17 05 04 19 04 51 05 41 19 15 23 30 03 49 8.6 8.6 100 1023 0417 >90 MON SEP 15 18 22 19 13 19 44 05 40 17 35 04 20 04 52 05 42 19 17 23 34 03 54 8.6 8.6 100 1109 0001 >90 TUE SEP 16 18 21 19 11 19 42 06 40 18 05 04 21 04 53 05 43 19 19 23 38 03 59 8.6 8.6 100 1156-0421 >90 WED SEP 17 18 19 19 09 19 41 07 41 18 37 04 22 04 53 05 44 19 22 23 42 04 04 8.7 8.7 100 1244-0837 >90 THU SEP 18 18 18 19 08 19 39 08 43 19 11 04 23 04 54 05 44 19 24 23 46 04 09 8.7 8.7 100 1334-1234 >90 FRI SEP 19 18 16 19 06 19 37 19 49 04 24 04 55 05 45 19 26 23 49 04 14 8.8 8.6 97 1427-1601 >90 SAT SEP 20 18 15 19 05 19 36 20 32 04 25 04 56 05 46 19 29 23 53 04 19 8.8 7.9 89 1521-1842 >90 SUN SEP 21 18 13 19 03 19 34 21 20 04 26 04 57 05 47 19 31 23 57 04 24 8.9 7.1 80 1618-2025 >90 MON SEP 22 18 12 19 01 19 32 22 15 04 27 04 58 05 48 19 33 00 01 04 29 8.9 6.2 69 1717-2059 >90 TUE SEP 23 18 10 19 00 19 31 23 15 04 28 04 59 05 49 19 36 00 05 04 34 9.0 5.2 58 1817-2017 >90 WED SEP 24 18 09 18 58 19 29 00 20 04 29 05 00 05 49 19 37 00 09 04 39 9.0 4.1 46 1917-1808 88 THU SEP 25 18 07 18 57 19 27 01 29 04 30 05 01 05 50 19 39 00 13 04 44 9.0 3.0 33 2015-1514 77 FRI SEP 26 18 05 18 55 19 26 02 38 04 31 05 01 05 51 19 42 00 17 04 49 9.1 1.9 20 2112-1118 65 SAT SEP 27 18 04 18 54 19 24 03 46 04 32 05 02 05 52 19 44 00 21 04 54 9.1 0.8 8 2208-0638 54 SUN SEP 28 18 02 18 52 19 23 16 25 04 55 04 33 05 03 05 53 19 47 00 25 04 59 9.2 0.0 0 2303-0138 43 MON SEP 29 18 01 18 50 19 21 17 00 06 02 04 33 05 04 05 54 19 49 00 29 05 03 9.2 0.0 0 2357 0324 35 TUE SEP 30 17 59 18 49 19 19 17 35 07 09 04 34 05 05 05 55 19 51 00 33 05 08 9.2 0.0 0 0051 0808 29 ONE LINE REFERS TO EVENING DATE FULL MOON Sep 01 09:21 UT AND FOLLOWING MORNING. LAST QUARTER Sep 08 16:16 UT All dates and times are zone PST NEW MOON Sep 16 18:47 UT in upper table (except sid time). FIRST QUARTER Sep 24 01:20 UT FULL MOON Sep 30 18:59 UT