Astronomical Almanac for January 1981

← December February →
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 +
7:58 AM 4:28 PM 8:30:01 +0:58 6:05 AM 6:22 PM 6:42 AM 5:44 PM 7:21 AM 5:06 PM 12:15 PM (-34.4°) 91.41
2 +
7:58 AM 4:29 PM 8:31:04 +1:03 6:05 AM 6:23 PM 6:42 AM 5:45 PM 7:21 AM 5:07 PM 12:15 PM (-34.3°) 91.41
3 +
7:58 AM 4:30 PM 8:32:12 +1:08 6:05 AM 6:23 PM 6:42 AM 5:46 PM 7:21 AM 5:08 PM 12:15 PM (-34.1°) 91.41
4 +
7:58 AM 4:31 PM 8:33:24 +1:12 6:05 AM 6:24 PM 6:42 AM 5:47 PM 7:21 AM 5:09 PM 12:15 PM (-34.0°) 91.41
5 +
7:58 AM 4:33 PM 8:34:42 +1:18 6:05 AM 6:25 PM 6:42 AM 5:48 PM 7:21 AM 5:10 PM 12:15 PM (-33.8°) 91.41
6 +
7:58 AM 4:34 PM 8:36:04 +1:22 6:05 AM 6:26 PM 6:42 AM 5:49 PM 7:21 AM 5:11 PM 12:15 PM (-33.7°) 91.41
7 +
7:57 AM 4:35 PM 8:37:31 +1:27 6:05 AM 6:27 PM 6:42 AM 5:50 PM 7:20 AM 5:12 PM 12:15 PM (-33.5°) 91.41
8 +
7:57 AM 4:36 PM 8:39:02 +1:31 6:05 AM 6:28 PM 6:42 AM 5:51 PM 7:20 AM 5:13 PM 12:15 PM (-33.3°) 91.41
9 +
7:57 AM 4:37 PM 8:40:38 +1:36 6:04 AM 6:29 PM 6:41 AM 5:52 PM 7:20 AM 5:14 PM 12:15 PM (-33.2°) 91.42
10 +
7:56 AM 4:38 PM 8:42:19 +1:41 6:04 AM 6:30 PM 6:41 AM 5:54 PM 7:19 AM 5:15 PM 12:20 PM (-33.0°) 91.42
11 +
7:56 AM 4:40 PM 8:44:03 +1:44 6:04 AM 6:31 PM 6:41 AM 5:55 PM 7:19 AM 5:16 PM 12:20 PM (-32.8°) 91.42
12 +
7:55 AM 4:41 PM 8:45:52 +1:49 6:04 AM 6:33 PM 6:40 AM 5:56 PM 7:19 AM 5:17 PM 12:20 PM (-32.6°) 91.43
13 +
7:55 AM 4:42 PM 8:47:45 +1:53 6:03 AM 6:34 PM 6:40 AM 5:57 PM 7:18 AM 5:19 PM 12:20 PM (-32.5°) 91.43
14 +
7:54 AM 4:44 PM 8:49:42 +1:57 6:03 AM 6:35 PM 6:40 AM 5:58 PM 7:18 AM 5:20 PM 12:20 PM (-32.3°) 91.44
15 +
7:53 AM 4:45 PM 8:51:42 +2:00 6:02 AM 6:36 PM 6:39 AM 5:59 PM 7:17 AM 5:21 PM 12:20 PM (-32.1°) 91.44
16 +
7:53 AM 4:46 PM 8:53:47 +2:05 6:02 AM 6:37 PM 6:39 AM 6:00 PM 7:17 AM 5:23 PM 12:20 PM (-31.9°) 91.45
17 +
7:52 AM 4:48 PM 8:55:55 +2:08 6:01 AM 6:38 PM 6:38 AM 6:02 PM 7:16 AM 5:24 PM 12:20 PM (-31.7°) 91.45
18 +
7:51 AM 4:49 PM 8:58:07 +2:12 6:01 AM 6:39 PM 6:37 AM 6:03 PM 7:15 AM 5:25 PM 12:20 PM (-31.5°) 91.46
19 +
7:50 AM 4:51 PM 9:00:22 +2:15 6:00 AM 6:41 PM 6:37 AM 6:04 PM 7:15 AM 5:26 PM 12:20 PM (-31.3°) 91.47
20 +
7:49 AM 4:52 PM 9:02:40 +2:18 6:00 AM 6:42 PM 6:36 AM 6:05 PM 7:14 AM 5:28 PM 12:20 PM (-31.1°) 91.48
21 +
7:49 AM 4:54 PM 9:05:02 +2:22 5:59 AM 6:43 PM 6:35 AM 6:07 PM 7:13 AM 5:29 PM 12:20 PM (-30.9°) 91.48
22 +
7:48 AM 4:55 PM 9:07:27 +2:25 5:58 AM 6:44 PM 6:35 AM 6:08 PM 7:12 AM 5:31 PM 12:20 PM (-30.7°) 91.49
23 +
7:47 AM 4:57 PM 9:09:54 +2:27 5:58 AM 6:46 PM 6:34 AM 6:09 PM 7:11 AM 5:32 PM 12:20 PM (-30.5°) 91.5
24 +
7:46 AM 4:58 PM 9:12:25 +2:31 5:57 AM 6:47 PM 6:33 AM 6:11 PM 7:10 AM 5:33 PM 12:20 PM (-30.3°) 91.51
25 +
7:45 AM 5:00 PM 9:14:59 +2:34 5:56 AM 6:48 PM 6:32 AM 6:12 PM 7:09 AM 5:35 PM 12:25 PM (-30.1°) 91.52
26 +
7:43 AM 5:01 PM 9:17:35 +2:36 5:55 AM 6:49 PM 6:31 AM 6:13 PM 7:08 AM 5:36 PM 12:25 PM (-29.8°) 91.54
27 +
7:42 AM 5:03 PM 9:20:14 +2:39 5:54 AM 6:51 PM 6:30 AM 6:15 PM 7:07 AM 5:38 PM 12:25 PM (-29.6°) 91.55
28 +
7:41 AM 5:04 PM 9:22:56 +2:42 5:53 AM 6:52 PM 6:29 AM 6:16 PM 7:06 AM 5:39 PM 12:25 PM (-29.4°) 91.56
29 +
7:40 AM 5:06 PM 9:25:40 +2:44 5:52 AM 6:53 PM 6:28 AM 6:17 PM 7:05 AM 5:40 PM 12:25 PM (-29.2°) 91.57
30 +
7:39 AM 5:07 PM 9:28:26 +2:46 5:51 AM 6:55 PM 6:27 AM 6:19 PM 7:04 AM 5:42 PM 12:25 PM (-29.0°) 91.58
31 +
7:38 AM 5:09 PM 9:31:15 +2:49 5:50 AM 6:56 PM 6:26 AM 6:20 PM 7:03 AM 5:43 PM 12:25 PM (-28.7°) 91.6
Day Moonrise/Moonset Meridian Passing
Moonrise Moonset Moonrise Time Thou. mi. Illumination
1 +
3:11 AM 1:50 PM - 8:30 AM (-22.0°) 247.17 19%
2 +
4:12 AM 2:21 PM - 9:15 AM (-26.5°) 245.59 12%
3 +
5:13 AM 2:57 PM - 10:05 AM (-30.0°) 243.58 6%
4 +
6:12 AM 3:40 PM - 10:55 AM (-22.6°) 241.31 2%
5 +
7:09 AM 4:30 PM - 11:50 AM (-24.0°) 238.94 0%
6 +
8:00 AM 5:28 PM - 12:45 PM (-24.4°) 236.63 1%
7 +
8:46 AM 6:32 PM - 1:40 PM (-24.0°) 234.48 3%
8 +
9:26 AM 7:40 PM - 2:35 PM (-22.9°) 232.59 8%
9 +
10:01 AM 8:51 PM - 3:25 PM (-21.4°) 230.97 15%
10 +
10:33 AM 10:04 PM - 4:15 PM (-30.7°) 229.64 23%
11 +
11:02 AM 11:17 PM - 5:10 PM (-28.5°) 228.57 33%
12 +
11:30 AM - - 6:00 PM (-25.9°) 227.75 43%
13 +
- 12:30 AM 11:59 AM 6:50 PM (-14.6°) 227.19 54%
14 +
- 1:45 AM 12:29 PM 7:40 PM (-12.0°) 226.91 64%
15 +
- 2:59 AM 1:04 PM 8:35 PM (-9.5°) 226.98 74%
16 +
- 4:12 AM 1:44 PM 9:30 PM (-7.4°) 227.47 83%
17 +
- 5:22 AM 2:31 PM 10:30 PM (-5.8°) 228.44 90%
18 +
- 6:26 AM 3:26 PM 11:25 PM (-5.3°) 229.92 96%
19 +
- 7:22 AM 4:27 PM 12:00 AM (-5.9°) 231.9 99%
20 +
- 8:08 AM 5:33 PM 12:20 AM (0.5°) 234.29 100%
21 +
- 8:47 AM 6:39 PM 1:15 AM (-2.6°) 236.97 99%
22 +
- 9:20 AM 7:46 PM 2:05 AM (-6.8°) 239.75 96%
23 +
- 9:48 AM 8:51 PM 2:50 AM (-2.6°) 242.42 90%
24 +
- 10:14 AM 9:54 PM 3:35 AM (-8.3°) 244.78 83%
25 +
- 10:37 AM 10:56 PM 4:20 AM (-14.3°) 246.63 74%
26 +
- 11:01 AM 11:57 PM 5:00 AM (-20.4°) 247.81 65%
27 +
- 11:25 AM - 5:40 AM (-16.5°) 248.23 54%
28 +
12:57 AM 11:51 AM - 6:25 AM (-22.0°) 247.84 44%
29 +
1:58 AM 12:20 PM - 7:10 AM (-26.9°) 246.66 33%
30 +
2:58 AM 12:53 PM - 7:55 AM (-20.9°) 244.77 24%
31 +
3:58 AM 1:32 PM - 8:45 AM (-24.0°) 242.32 15%

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