YALO OBSERVATORY CALENDAR FOR 2000 (computed for altitude 2210.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2000 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SAT APR 01 18 48 19 31 19 59 05 35 17 57 05 35 06 03 06 47 07 58 12 00 17 36 9.6 9.6 100 2334-0658 SUN APR 02 18 47 19 30 19 58 06 35 18 33 05 36 06 03 06 47 08 01 12 04 17 41 9.6 9.6 100 0025-0213 MON APR 03 18 45 19 29 19 57 07 37 19 09 05 36 06 04 06 48 08 04 12 08 17 45 9.6 9.6 100 0116+0245 TUE APR 04 18 44 19 28 19 56 19 47 05 37 06 05 06 48 08 07 12 12 17 50 9.7 9.7 100 0208+0741 WED APR 05 18 43 19 27 19 55 20 28 05 37 06 05 06 49 08 10 12 16 17 54 9.7 9.1 94 0303+1216 THU APR 06 18 42 19 26 19 53 21 12 05 38 06 06 06 50 08 12 12 20 17 59 9.8 8.4 86 0359+1611 FRI APR 07 18 41 19 25 19 52 22 02 05 39 06 06 06 50 08 15 12 24 18 04 9.8 7.6 77 0458+1908 SAT APR 08 18 40 19 23 19 51 22 56 05 39 06 07 06 51 08 18 12 28 18 08 9.8 6.7 68 0559+2054 SUN APR 09 18 38 19 22 19 50 23 55 05 40 06 07 06 51 08 21 12 32 18 12 9.8 5.8 58 0700+2119 MON APR 10 18 37 19 21 19 49 00 57 05 40 06 08 06 52 08 24 12 35 18 16 9.8 4.7 47 0800+2023 TUE APR 11 18 36 19 20 19 48 02 00 05 41 06 09 06 53 08 27 12 39 18 21 9.9 3.7 37 0859+1812 WED APR 12 18 35 19 19 19 47 03 02 05 41 06 09 06 53 08 30 12 43 18 25 9.9 2.7 26 0955+1459 THU APR 13 18 34 19 18 19 46 16 15 04 04 05 42 06 10 06 54 08 33 12 47 18 30 9.9 1.6 16 1049+1059 FRI APR 14 18 33 19 17 19 45 16 54 05 04 05 42 06 10 06 54 08 36 12 51 18 34 9.9 0.6 6 1140+0629 SAT APR 15 18 32 19 16 19 44 17 29 06 03 05 43 06 11 06 55 08 38 12 55 18 39 10.0 0.0 0 1230+0143 SUN APR 16 18 31 19 15 19 43 18 04 07 01 05 44 06 11 06 56 08 41 12 59 18 44 10.0 0.0 0 1319-0302 MON APR 17 18 30 19 14 19 42 18 38 07 58 05 44 06 12 06 56 08 44 13 03 18 48 10.0 0.0 0 1407-0735 TUE APR 18 18 29 19 13 19 41 19 13 05 45 06 13 06 57 08 47 13 07 18 53 10.1 0.0 0 1455-1144 WED APR 19 18 28 19 12 19 40 19 50 05 45 06 13 06 57 08 50 13 11 18 57 10.1 0.2 1 1544-1518 THU APR 20 18 27 19 11 19 39 20 29 05 46 06 14 06 58 08 53 13 15 19 02 10.1 0.8 8 1634-1808 FRI APR 21 18 26 19 10 19 38 21 11 05 46 06 14 06 59 08 56 13 19 19 06 10.1 1.5 15 1724-2009 SAT APR 22 18 25 19 09 19 37 21 56 05 47 06 15 06 59 08 59 13 23 19 11 10.2 2.3 22 1815-2116 SUN APR 23 18 24 19 08 19 36 22 45 05 47 06 15 07 00 09 02 13 27 19 15 10.2 3.1 30 1906-2125 MON APR 24 18 23 19 07 19 35 23 36 05 48 06 16 07 00 09 05 13 31 19 20 10.2 4.0 39 1956-2036 TUE APR 25 18 22 19 06 19 34 00 29 05 48 06 16 07 01 09 08 13 35 19 24 10.2 4.9 48 2047-1853 WED APR 26 18 21 19 05 19 33 01 24 05 49 06 17 07 02 09 11 13 39 19 29 10.3 5.9 56 2136-1617 THU APR 27 18 20 19 04 19 32 02 21 05 49 06 18 07 02 09 14 13 42 19 32 10.3 6.8 66 2226-1254 FRI APR 28 18 19 19 04 19 32 03 19 05 50 06 18 07 03 09 18 13 46 19 37 10.3 7.8 75 2315-0851 SAT APR 29 18 18 19 03 19 31 04 18 16 28 05 51 06 19 07 03 09 21 13 50 19 42 10.3 8.8 85 0005-0416 SUN APR 30 18 17 19 02 19 30 05 20 17 04 05 51 06 19 07 04 09 24 13 54 19 46 10.3 9.8 95 0055+0040 ONE LINE REFERS TO EVENING DATE NEW MOON APR 04 18:14 UT AND FOLLOWING MORNING. FIRST QUARTER APR 11 13:33 UT All dates and times are zone CST FULL MOON APR 18 17:45 UT in upper table (except sid time). LAST QUARTER APR 26 19:32 UT