Astronomical Almanac for February 1981

Day Sunrise/Sunset Day Length Astronomical Twilight Nautical Twilight Civil Twilight Solar Noon
Sunrise Sunset Length Diff. Start End Start End Start End Time Mil. mi.
1 +
7:36 AM 5:10 PM 9:34:05 +2:50 5:49 AM 6:57 PM 6:25 AM 6:21 PM 7:02 AM 5:45 PM 12:25 PM (-28.5°) 91.61
2 +
7:35 AM 5:12 PM 9:36:58 +2:53 5:48 AM 6:59 PM 6:24 AM 6:23 PM 7:01 AM 5:46 PM 12:25 PM (-28.3°) 91.63
3 +
7:34 AM 5:13 PM 9:39:53 +2:55 5:47 AM 7:00 PM 6:23 AM 6:24 PM 6:59 AM 5:48 PM 12:25 PM (-28.1°) 91.64
4 +
7:32 AM 5:15 PM 9:42:50 +2:57 5:46 AM 7:01 PM 6:22 AM 6:26 PM 6:58 AM 5:49 PM 12:25 PM (-27.8°) 91.65
5 +
7:31 AM 5:17 PM 9:45:48 +2:58 5:45 AM 7:03 PM 6:20 AM 6:27 PM 6:57 AM 5:51 PM 12:25 PM (-27.6°) 91.67
6 +
7:29 AM 5:18 PM 9:48:49 +3:01 5:44 AM 7:04 PM 6:19 AM 6:28 PM 6:56 AM 5:52 PM 12:25 PM (-27.4°) 91.68
7 +
7:28 AM 5:20 PM 9:51:50 +3:01 5:42 AM 7:05 PM 6:18 AM 6:30 PM 6:54 AM 5:54 PM 12:25 PM (-27.1°) 91.7
8 +
7:26 AM 5:21 PM 9:54:54 +3:04 5:41 AM 7:07 PM 6:17 AM 6:31 PM 6:53 AM 5:55 PM 12:25 PM (-26.9°) 91.72
9 +
7:25 AM 5:23 PM 9:57:59 +3:05 5:40 AM 7:08 PM 6:15 AM 6:33 PM 6:51 AM 5:56 PM 12:25 PM (-26.7°) 91.73
10 +
7:23 AM 5:24 PM 10:01:05 +3:06 5:38 AM 7:10 PM 6:14 AM 6:34 PM 6:50 AM 5:58 PM 12:25 PM (-26.4°) 91.75
11 +
7:22 AM 5:26 PM 10:04:12 +3:07 5:37 AM 7:11 PM 6:12 AM 6:35 PM 6:48 AM 5:59 PM 12:25 PM (-26.2°) 91.76
12 +
7:20 AM 5:28 PM 10:07:21 +3:09 5:35 AM 7:12 PM 6:11 AM 6:37 PM 6:47 AM 6:01 PM 12:25 PM (-25.9°) 91.78
13 +
7:19 AM 5:29 PM 10:10:32 +3:11 5:34 AM 7:14 PM 6:09 AM 6:38 PM 6:45 AM 6:02 PM 12:25 PM (-25.7°) 91.8
14 +
7:17 AM 5:31 PM 10:13:43 +3:11 5:33 AM 7:15 PM 6:08 AM 6:40 PM 6:44 AM 6:04 PM 12:25 PM (-25.5°) 91.82
15 +
7:15 AM 5:32 PM 10:16:55 +3:12 5:31 AM 7:17 PM 6:06 AM 6:41 PM 6:42 AM 6:05 PM 12:25 PM (-25.2°) 91.83
16 +
7:14 AM 5:34 PM 10:20:09 +3:14 5:30 AM 7:18 PM 6:05 AM 6:43 PM 6:41 AM 6:07 PM 12:25 PM (-25.0°) 91.85
17 +
7:12 AM 5:35 PM 10:23:23 +3:14 5:28 AM 7:19 PM 6:03 AM 6:44 PM 6:39 AM 6:08 PM 12:25 PM (-24.7°) 91.87
18 +
7:10 AM 5:37 PM 10:26:38 +3:15 5:26 AM 7:21 PM 6:02 AM 6:45 PM 6:37 AM 6:10 PM 12:25 PM (-24.5°) 91.89
19 +
7:09 AM 5:38 PM 10:29:55 +3:17 5:25 AM 7:22 PM 6:00 AM 6:47 PM 6:36 AM 6:11 PM 12:25 PM (-24.2°) 91.91
20 +
7:07 AM 5:40 PM 10:33:12 +3:17 5:23 AM 7:24 PM 5:58 AM 6:48 PM 6:34 AM 6:13 PM 12:25 PM (-24.0°) 91.93
21 +
7:05 AM 5:41 PM 10:36:29 +3:17 5:21 AM 7:25 PM 5:57 AM 6:50 PM 6:32 AM 6:14 PM 12:25 PM (-23.8°) 91.95
22 +
7:03 AM 5:43 PM 10:39:48 +3:19 5:20 AM 7:27 PM 5:55 AM 6:51 PM 6:31 AM 6:16 PM 12:25 PM (-23.5°) 91.97
23 +
7:01 AM 5:45 PM 10:43:07 +3:19 5:18 AM 7:28 PM 5:53 AM 6:53 PM 6:29 AM 6:17 PM 12:25 PM (-23.3°) 91.99
24 +
7:00 AM 5:46 PM 10:46:27 +3:20 5:16 AM 7:30 PM 5:52 AM 6:54 PM 6:27 AM 6:19 PM 12:25 PM (-23.0°) 92.02
25 +
6:58 AM 5:48 PM 10:49:47 +3:20 5:15 AM 7:31 PM 5:50 AM 6:56 PM 6:25 AM 6:20 PM 12:25 PM (-22.8°) 92.04
26 +
6:56 AM 5:49 PM 10:53:08 +3:21 5:13 AM 7:32 PM 5:48 AM 6:57 PM 6:24 AM 6:21 PM 12:25 PM (-22.5°) 92.06
27 +
6:54 AM 5:51 PM 10:56:30 +3:22 5:11 AM 7:34 PM 5:46 AM 6:58 PM 6:22 AM 6:23 PM 12:25 PM (-22.3°) 92.08
28 +
6:52 AM 5:52 PM 10:59:52 +3:22 5:09 AM 7:35 PM 5:45 AM 7:00 PM 6:20 AM 6:24 PM 12:25 PM (-22.0°) 92.11
Day Moonrise/Moonset Meridian Passing
Moonrise Moonset Moonrise Time Thou. mi. Illumination
1 +
4:56 AM 2:19 PM - 9:40 AM (-25.9°) 239.49 9%
2 +
5:50 AM 3:13 PM - 10:30 AM (-26.7°) 236.5 4%
3 +
6:39 AM 4:15 PM - 11:25 AM (-26.5°) 233.59 1%
4 +
7:22 AM 5:23 PM - 12:25 PM (-25.5°) 230.98 0%
5 +
8:00 AM 6:36 PM - 1:20 PM (-23.8°) 228.83 2%
6 +
8:34 AM 7:50 PM - 2:10 PM (-21.6°) 227.28 6%
7 +
9:04 AM 9:05 PM - 3:05 PM (-19.0°) 226.34 11%
8 +
9:34 AM 10:20 PM - 3:55 PM (-7.1°) 226.01 19%
9 +
10:02 AM 11:35 PM - 4:45 PM (-16.3°) 226.2 28%
10 +
10:33 AM - - 5:40 PM (-13.6°) 226.81 38%
11 +
- 12:50 AM 11:06 AM 6:30 PM (-11.0°) 227.75 48%
12 +
- 2:03 AM 11:44 AM 7:25 PM (-8.8°) 228.94 59%
13 +
- 3:12 AM 12:27 PM 8:20 PM (-7.2°) 230.33 69%
14 +
- 4:17 AM 1:18 PM 9:15 PM (-6.5°) 231.89 78%
15 +
- 5:14 AM 2:15 PM 10:10 PM (-6.8°) 233.63 86%
16 +
- 6:03 AM 3:18 PM 11:05 PM (-8.4°) 235.54 93%
17 +
- 6:44 AM 4:23 PM 12:00 AM (-11.2°) 237.6 97%
18 +
- 7:19 AM 5:30 PM 12:00 AM (-6.9°) 239.77 100%
19 +
- 7:49 AM 6:35 PM 12:45 AM (-2.6°) 241.95 100%
20 +
- 8:15 AM 7:39 PM 1:30 AM (-8.0°) 244.03 98%
21 +
- 8:39 AM 8:42 PM 2:10 AM (-13.9°) 245.87 93%
22 +
- 9:03 AM 9:44 PM 2:55 AM (-10.2°) 247.32 87%
23 +
- 9:27 AM 10:45 PM 3:35 AM (-16.2°) 248.24 79%
24 +
- 9:52 AM 11:45 PM 4:20 AM (-21.9°) 248.5 70%
25 +
- 10:19 AM - 5:05 AM (-27.1°) 248.02 60%
26 +
12:45 AM 10:50 AM - 5:50 AM (-21.6°) 246.77 49%
27 +
1:45 AM 11:26 AM - 6:35 AM (-25.2°) 244.75 39%
28 +
2:43 AM 12:08 PM - 7:25 AM (-27.7°) 242.08 29%