KECK OBSERVATORY CALENDAR FOR 2040 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2040 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 TUE MAY 01 18 56 19 36 20 03 23 52 04 34 05 02 05 42 10 24 14 22 18 57 8.5 3.8 44 1945-2513 >90 WED MAY 02 18 56 19 36 20 04 00 48 04 34 05 01 05 41 10 29 14 26 19 01 8.5 4.7 55 2051-2304 >90 THU MAY 03 18 56 19 36 20 04 01 37 04 33 05 01 05 41 10 33 14 30 19 03 8.5 5.5 65 2149-1911 >90 FRI MAY 04 18 57 19 37 20 05 02 20 04 32 05 00 05 40 10 38 14 34 19 06 8.4 6.2 73 2242-1422 >90 SAT MAY 05 18 57 19 37 20 05 03 00 14 27 04 31 04 59 05 40 10 42 14 38 19 09 8.4 6.9 82 2333-0858 >90 SUN MAY 06 18 58 19 38 20 06 03 37 15 23 04 31 04 59 05 39 10 47 14 42 19 13 8.4 7.5 89 0021-0316 >90 MON MAY 07 18 58 19 38 20 06 04 13 16 17 04 30 04 58 05 39 10 51 14 45 19 16 8.4 8.1 96 0107 0227 >90 TUE MAY 08 18 58 19 39 20 07 04 48 17 10 04 29 04 58 05 38 10 56 14 49 19 19 8.4 8.4 100 0154 0757 >90 WED MAY 09 18 59 19 39 20 08 05 25 18 04 04 29 04 57 05 38 11 01 14 53 19 23 8.3 8.3 100 0241 1301 >90 THU MAY 10 18 59 19 40 20 08 06 04 18 58 04 28 04 57 05 37 11 05 14 57 19 26 8.3 8.3 100 0329 1728 >90 FRI MAY 11 19 00 19 40 20 09 06 46 19 52 04 28 04 56 05 37 11 10 15 01 19 30 8.3 8.3 100 0418 2106 >90 SAT MAY 12 19 00 19 41 20 09 20 47 04 27 04 55 05 36 11 14 15 05 19 33 8.3 7.7 92 0509 2344 >90 SUN MAY 13 19 00 19 41 20 10 21 40 04 26 04 55 05 36 11 19 15 09 19 36 8.3 6.8 81 0601 2516 >90 MON MAY 14 19 01 19 42 20 10 22 32 04 26 04 55 05 35 11 22 15 13 19 40 8.3 5.9 71 0653 2538 >90 TUE MAY 15 19 01 19 42 20 11 23 21 04 25 04 54 05 35 11 27 15 17 19 43 8.2 5.1 61 0745 2448 >90 WED MAY 16 19 02 19 43 20 12 00 05 04 25 04 54 05 35 11 32 15 21 19 47 8.2 4.3 52 0842 2220 >90 THU MAY 17 19 02 19 43 20 12 00 47 04 24 04 53 05 34 11 36 15 25 19 50 8.2 3.6 44 0926 1950 83 FRI MAY 18 19 03 19 44 20 13 01 25 04 24 04 53 05 34 11 41 15 29 19 54 8.2 3.0 36 1014 1558 74 SAT MAY 19 19 03 19 44 20 13 02 01 04 23 04 52 05 34 11 45 15 33 19 57 8.2 2.4 28 1101 1119 66 SUN MAY 20 19 03 19 45 20 14 02 37 04 23 04 52 05 33 11 50 15 37 20 00 8.1 1.8 21 1148 0602 57 MON MAY 21 19 04 19 45 20 14 14 26 03 12 04 23 04 52 05 33 11 54 15 41 20 04 8.1 1.2 14 1236 0018 49 TUE MAY 22 19 04 19 46 20 15 15 20 03 49 04 22 04 51 05 33 11 59 15 45 20 07 8.1 0.6 6 1325-0541 43 WED MAY 23 19 05 19 46 20 15 16 17 04 30 04 22 04 51 05 33 12 03 15 49 20 11 8.1 0.0 0 1416-1138 39 THU MAY 24 19 05 19 47 20 16 17 17 05 15 04 21 04 51 05 32 12 08 15 52 20 14 8.1 0.0 0 1512-1709 38 FRI MAY 25 19 06 19 47 20 17 18 21 06 05 04 21 04 50 05 32 12 13 15 56 20 18 8.1 0.0 0 1611-2149 42 SAT MAY 26 19 06 19 48 20 17 19 29 04 21 04 50 05 32 12 17 16 00 20 22 8.1 0.0 0 1715-2508 48 SUN MAY 27 19 06 19 48 20 18 20 36 04 20 04 50 05 32 12 22 16 04 20 25 8.0 0.3 3 1822-2642 57 MON MAY 28 19 07 19 49 20 18 21 41 04 20 04 50 05 32 12 26 16 08 20 29 8.0 1.4 17 1929-2621 67 TUE MAY 29 19 07 19 49 20 19 22 41 04 20 04 50 05 31 12 31 16 12 20 33 8.0 2.4 29 2034-2406 77 WED MAY 30 19 08 19 50 20 19 23 34 04 20 04 49 05 31 12 35 16 16 20 37 8.0 3.2 40 2133-2022 88 THU MAY 31 19 08 19 50 20 20 00 20 04 19 04 49 05 31 12 39 16 20 20 40 8.0 4.0 50 2230-1543 >90 ONE LINE REFERS TO EVENING DATE LAST QUARTER May 03 20:01 UT AND FOLLOWING MORNING. NEW MOON May 11 03:27 UT All dates and times are zone HST FIRST QUARTER May 19 07:00 UT in upper table (except sid time). FULL MOON May 26 11:47 UT