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 SUN JUL 01 19 16 19 59 20 29 00 51 04 23 04 53 05 36 14 51 18 22 22 46 7.9 4.4 55 0134 0531 >90 MON JUL 02 19 16 19 59 20 29 01 27 04 24 04 54 05 36 14 55 18 26 22 51 7.9 5.0 62 0221 1049 >90 TUE JUL 03 19 16 19 59 20 29 02 04 14 48 04 24 04 54 05 36 14 59 18 30 22 55 7.9 5.6 70 0308 1531 >90 WED JUL 04 19 16 19 59 20 28 02 43 15 41 04 24 04 54 05 37 15 02 18 34 22 59 7.9 6.2 78 0356 1928 >90 THU JUL 05 19 16 19 58 20 28 03 25 16 35 04 25 04 55 05 37 15 06 18 38 23 04 7.9 6.9 87 0446 2231 >90 FRI JUL 06 19 16 19 58 20 28 04 11 17 29 04 25 04 55 05 37 15 09 18 42 23 08 7.9 7.7 97 0537 2432 >90 SAT JUL 07 19 16 19 58 20 28 05 00 18 22 04 26 04 56 05 38 15 13 18 46 23 13 8.0 8.0 100 0628 2526 >90 SUN JUL 08 19 16 19 58 20 28 05 52 19 12 04 26 04 56 05 38 15 17 18 50 23 17 8.0 8.0 100 0720 2509 >90 MON JUL 09 19 16 19 58 20 28 06 44 19 59 04 27 04 56 05 39 15 21 18 54 23 22 8.0 8.0 100 0811 2344 >90 TUE JUL 10 19 16 19 58 20 28 20 43 04 27 04 57 05 39 15 25 18 58 23 26 8.0 7.7 96 0901 2116 >90 WED JUL 11 19 16 19 58 20 27 21 23 04 28 04 57 05 39 15 28 19 02 23 30 8.0 7.1 88 0949 1752 >90 THU JUL 12 19 16 19 58 20 27 22 00 04 28 04 58 05 40 15 32 19 06 23 34 8.0 6.5 80 1035 1342 >90 FRI JUL 13 19 15 19 57 20 27 22 35 04 29 04 58 05 40 15 36 19 10 23 39 8.0 5.9 73 1120 0855 >90 SAT JUL 14 19 15 19 57 20 27 23 09 04 29 04 59 05 40 15 40 19 14 23 43 8.0 5.3 66 1205 0342 >90 SUN JUL 15 19 15 19 57 20 26 23 43 04 30 04 59 05 41 15 43 19 18 23 48 8.1 4.8 59 1250-0149 >90 MON JUL 16 19 15 19 57 20 26 00 18 04 30 05 00 05 41 15 47 19 21 23 52 8.1 4.2 52 1338-0718 89 TUE JUL 17 19 15 19 56 20 26 00 56 04 31 05 00 05 42 15 51 19 25 23 57 8.1 3.6 44 1426-1255 81 WED JUL 18 19 14 19 56 20 25 01 39 04 31 05 00 05 42 15 54 19 29 00 01 8.1 2.9 35 1519-1805 72 THU JUL 19 19 14 19 56 20 25 14 46 02 28 04 32 05 01 05 42 15 58 19 33 00 06 8.1 2.1 25 1617-2224 64 FRI JUL 20 19 14 19 55 20 24 15 51 03 25 04 32 05 01 05 43 16 01 19 37 00 10 8.1 1.1 13 1720-2528 56 SAT JUL 21 19 14 19 55 20 24 16 58 04 28 04 33 05 02 05 43 16 05 19 41 00 15 8.2 0.1 1 1827-2650 50 SUN JUL 22 19 13 19 55 20 24 18 05 05 36 04 33 05 02 05 44 16 09 19 45 00 19 8.2 0.0 0 1936-2614 46 MON JUL 23 19 13 19 54 20 23 19 06 06 46 04 34 05 03 05 44 16 11 19 49 00 24 8.2 0.0 0 2043-2340 45 TUE JUL 24 19 13 19 54 20 23 20 01 04 34 05 03 05 44 16 15 19 53 00 28 8.2 0.0 0 2146-1928 48 WED JUL 25 19 12 19 53 20 22 20 50 04 35 05 04 05 45 16 18 19 57 00 33 8.2 0.5 5 2245-1407 53 THU JUL 26 19 12 19 53 20 21 21 33 04 35 05 04 05 45 16 21 20 01 00 37 8.2 1.2 14 2339-0808 61 FRI JUL 27 19 11 19 52 20 21 22 12 04 36 05 05 05 46 16 25 20 05 00 42 8.2 1.9 22 0031-0158 69 SAT JUL 28 19 11 19 52 20 20 22 50 04 37 05 05 05 46 16 28 20 09 00 47 8.3 2.5 30 0119 0403 77 SUN JUL 29 19 10 19 51 20 20 23 26 04 37 05 06 05 46 16 32 20 13 00 50 8.3 3.1 37 0207 0936 86 MON JUL 30 19 10 19 51 20 19 00 03 04 38 05 06 05 47 16 35 20 17 00 55 8.3 3.7 44 0256 1439 >90 TUE JUL 31 19 10 19 50 20 19 00 42 04 38 05 06 05 47 16 39 20 21 00 59 8.3 4.4 52 0345 1851 >90 ONE LINE REFERS TO EVENING DATE LAST QUARTER Jul 01 10:18 UT AND FOLLOWING MORNING. NEW MOON Jul 09 09:14 UT All dates and times are zone HST FIRST QUARTER Jul 17 09:16 UT in upper table (except sid time). FULL MOON Jul 24 02:06 UT LAST QUARTER Jul 30 21:06 UT