KECK OBSERVATORY CALENDAR FOR 2028 -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 2028 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 OCT 01 18 20 18 57 19 23 16 50 05 37 05 00 05 26 06 03 19 47 00 25 05 25 9.6 0.0 0 2337 0217 21 MON OCT 02 18 19 18 57 19 22 17 22 06 25 05 00 05 26 06 03 19 50 00 29 05 29 9.6 0.0 0 0021 0722 13 TUE OCT 03 18 18 18 56 19 21 17 56 05 00 05 26 06 04 19 53 00 33 05 33 9.6 0.0 0 0106 1213 11 WED OCT 04 18 17 18 55 19 20 18 31 05 01 05 26 06 04 19 56 00 36 05 38 9.7 0.0 0 0153 1636 18 THU OCT 05 18 16 18 54 19 19 19 10 05 01 05 26 06 04 19 59 00 40 05 42 9.7 0.0 0 0242 2019 29 FRI OCT 06 18 16 18 53 19 19 19 53 05 01 05 27 06 04 20 03 00 44 05 46 9.7 0.6 5 0334 2308 40 SAT OCT 07 18 15 18 52 19 18 20 41 05 01 05 27 06 05 20 06 00 48 05 50 9.7 1.4 14 0429 2452 51 SUN OCT 08 18 14 18 52 19 17 21 34 05 02 05 27 06 05 20 08 00 52 05 55 9.8 2.3 23 0526 2518 63 MON OCT 09 18 13 18 51 19 16 22 31 05 02 05 27 06 05 20 11 00 56 05 59 9.8 3.2 33 0623 2421 75 TUE OCT 10 18 12 18 50 19 15 23 30 05 02 05 28 06 05 20 14 01 00 06 03 9.8 4.2 43 0719 2157 87 WED OCT 11 18 12 18 49 19 15 00 31 05 02 05 28 06 06 20 18 01 04 06 07 9.8 5.3 53 0816 1825 >90 THU OCT 12 18 11 18 48 19 14 01 33 14 12 05 03 05 28 06 06 20 21 01 08 06 12 9.8 6.3 64 0911 1341 >90 FRI OCT 13 18 10 18 48 19 13 02 34 14 56 05 03 05 29 06 06 20 24 01 12 06 16 9.8 7.3 74 1005 0806 >90 SAT OCT 14 18 09 18 47 19 12 03 36 15 38 05 03 05 29 06 07 20 27 01 16 06 20 9.8 8.4 85 1058 0158 >90 SUN OCT 15 18 08 18 46 19 12 04 38 16 20 05 04 05 29 06 07 20 31 01 20 06 25 9.9 9.4 95 1152-0422 >90 MON OCT 16 18 08 18 46 19 11 05 42 17 03 05 04 05 29 06 07 20 34 01 24 06 29 9.9 9.9 100 1246-1029 >90 TUE OCT 17 18 07 18 45 19 10 06 47 17 49 05 04 05 30 06 08 20 37 01 28 06 33 9.9 9.9 100 1343-1559 >90 WED OCT 18 18 06 18 44 19 10 18 38 05 04 05 30 06 08 20 41 01 32 06 37 9.9 9.9 100 1442-2028 >90 THU OCT 19 18 06 18 43 19 09 19 32 05 05 05 30 06 08 20 44 01 36 06 41 9.9 9.6 96 1542-2337 >90 FRI OCT 20 18 05 18 43 19 08 20 29 05 05 05 31 06 09 20 47 01 40 06 45 10.0 8.6 86 1643-2513 >90 SAT OCT 21 18 04 18 42 19 08 21 27 05 05 05 31 06 09 20 51 01 44 06 49 10.0 7.6 76 1742-2516 >90 SUN OCT 22 18 04 18 42 19 07 22 26 05 06 05 31 06 09 20 54 01 47 06 54 10.0 6.7 66 1839-2354 >90 MON OCT 23 18 03 18 41 19 07 23 22 05 06 05 32 06 10 20 58 01 51 06 58 10.0 5.7 57 1933-2121 >90 TUE OCT 24 18 02 18 40 19 06 00 16 05 06 05 32 06 10 21 01 01 55 07 02 10.0 4.8 48 2026-1742 90 WED OCT 25 18 02 18 40 19 06 01 08 05 07 05 32 06 10 21 04 01 59 07 07 10.0 4.0 39 2111-1341 78 THU OCT 26 18 01 18 39 19 05 01 57 05 07 05 33 06 11 21 07 02 03 07 11 10.0 3.2 31 2156-0905 67 FRI OCT 27 18 00 18 39 19 05 14 18 02 45 05 07 05 33 06 11 21 11 02 07 07 15 10.0 2.4 23 2240-0408 56 SAT OCT 28 18 00 18 38 19 04 14 51 03 33 05 08 05 33 06 12 21 14 02 11 07 20 10.1 1.6 15 2323 0058 45 SUN OCT 29 17 59 18 38 19 04 15 23 04 21 05 08 05 34 06 12 21 18 02 15 07 24 10.1 0.8 7 0007 0604 34 MON OCT 30 17 59 18 37 19 03 15 56 05 10 05 08 05 34 06 13 21 21 02 19 07 28 10.1 0.0 0 0052 1058 23 TUE OCT 31 17 58 18 37 19 03 16 31 06 02 05 09 05 35 06 13 21 25 02 23 07 33 10.1 0.0 0 0138 1529 11 ONE LINE REFERS TO EVENING DATE FULL MOON Oct 03 16:26 UT AND FOLLOWING MORNING. LAST QUARTER Oct 11 11:57 UT All dates and times are zone HST NEW MOON Oct 18 02:57 UT in upper table (except sid time). FIRST QUARTER Oct 25 04:52 UT