Astronomical Almanac

September 1981

August October
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 +
6:30 AM 7:47 PM 13:16:55 -3:16 4:37 AM 9:39 PM 5:19 AM 8:58 PM 5:57 AM 8:20 PM 1:10 PM (50.6°) 93.79
2 +
6:31 AM 7:45 PM 13:13:38 -3:17 4:39 AM 9:37 PM 5:20 AM 8:56 PM 5:58 AM 8:18 PM 1:10 PM (50.3°) 93.77
3 +
6:33 AM 7:43 PM 13:10:21 -3:17 4:41 AM 9:34 PM 5:22 AM 8:54 PM 6:00 AM 8:16 PM 1:10 PM (49.9°) 93.75
4 +
6:34 AM 7:41 PM 13:07:03 -3:18 4:43 AM 9:32 PM 5:23 AM 8:52 PM 6:01 AM 8:14 PM 1:10 PM (49.5°) 93.72
5 +
6:35 AM 7:39 PM 13:03:44 -3:19 4:45 AM 9:29 PM 5:25 AM 8:50 PM 6:03 AM 8:12 PM 1:10 PM (49.2°) 93.7
6 +
6:37 AM 7:37 PM 13:00:25 -3:19 4:46 AM 9:27 PM 5:26 AM 8:47 PM 6:04 AM 8:10 PM 1:10 PM (48.8°) 93.67
7 +
6:38 AM 7:35 PM 12:57:06 -3:19 4:48 AM 9:25 PM 5:28 AM 8:45 PM 6:05 AM 8:08 PM 1:05 PM (48.4°) 93.65
8 +
6:39 AM 7:33 PM 12:53:47 -3:19 4:50 AM 9:22 PM 5:29 AM 8:43 PM 6:07 AM 8:06 PM 1:05 PM (48.1°) 93.63
9 +
6:41 AM 7:31 PM 12:50:27 -3:20 4:52 AM 9:20 PM 5:31 AM 8:41 PM 6:08 AM 8:04 PM 1:05 PM (47.7°) 93.6
10 +
6:42 AM 7:29 PM 12:47:07 -3:20 4:53 AM 9:17 PM 5:32 AM 8:39 PM 6:09 AM 8:02 PM 1:05 PM (47.3°) 93.58
11 +
6:43 AM 7:27 PM 12:43:46 -3:21 4:55 AM 9:15 PM 5:34 AM 8:36 PM 6:11 AM 8:00 PM 1:05 PM (46.9°) 93.55
12 +
6:45 AM 7:25 PM 12:40:25 -3:21 4:57 AM 9:13 PM 5:35 AM 8:34 PM 6:12 AM 7:57 PM 1:05 PM (46.5°) 93.53
13 +
6:46 AM 7:23 PM 12:37:04 -3:21 4:58 AM 9:10 PM 5:37 AM 8:32 PM 6:14 AM 7:55 PM 1:05 PM (46.2°) 93.5
14 +
6:47 AM 7:21 PM 12:33:43 -3:21 5:00 AM 9:08 PM 5:38 AM 8:30 PM 6:15 AM 7:53 PM 1:05 PM (45.8°) 93.48
15 +
6:49 AM 7:19 PM 12:30:22 -3:21 5:02 AM 9:06 PM 5:40 AM 8:28 PM 6:16 AM 7:51 PM 1:05 PM (45.4°) 93.45
16 +
6:50 AM 7:17 PM 12:27:00 -3:22 5:03 AM 9:03 PM 5:41 AM 8:25 PM 6:18 AM 7:49 PM 1:05 PM (45.0°) 93.43
17 +
6:51 AM 7:15 PM 12:23:38 -3:22 5:05 AM 9:01 PM 5:43 AM 8:23 PM 6:19 AM 7:47 PM 1:05 PM (44.6°) 93.4
18 +
6:53 AM 7:13 PM 12:20:16 -3:22 5:06 AM 8:59 PM 5:44 AM 8:21 PM 6:20 AM 7:45 PM 1:05 PM (44.2°) 93.38
19 +
6:54 AM 7:11 PM 12:16:54 -3:22 5:08 AM 8:56 PM 5:46 AM 8:19 PM 6:22 AM 7:43 PM 1:05 PM (43.9°) 93.35
20 +
6:55 AM 7:09 PM 12:13:32 -3:22 5:10 AM 8:54 PM 5:47 AM 8:17 PM 6:23 AM 7:41 PM 1:05 PM (43.5°) 93.33
21 +
6:57 AM 7:07 PM 12:10:09 -3:23 5:11 AM 8:52 PM 5:48 AM 8:15 PM 6:25 AM 7:39 PM 1:00 PM (43.1°) 93.3
22 +
6:58 AM 7:05 PM 12:06:47 -3:22 5:13 AM 8:50 PM 5:50 AM 8:13 PM 6:26 AM 7:37 PM 1:00 PM (42.7°) 93.28
23 +
6:59 AM 7:03 PM 12:03:24 -3:23 5:14 AM 8:47 PM 5:51 AM 8:11 PM 6:27 AM 7:35 PM 1:00 PM (42.3°) 93.25
24 +
7:01 AM 7:01 PM 12:00:01 -3:23 5:16 AM 8:45 PM 5:53 AM 8:08 PM 6:29 AM 7:33 PM 1:00 PM (41.9°) 93.23
25 +
7:02 AM 6:59 PM 11:56:39 -3:22 5:17 AM 8:43 PM 5:54 AM 8:06 PM 6:30 AM 7:31 PM 1:00 PM (41.5°) 93.2
26 +
7:03 AM 6:57 PM 11:53:16 -3:23 5:19 AM 8:41 PM 5:56 AM 8:04 PM 6:31 AM 7:29 PM 1:00 PM (41.1°) 93.17
27 +
7:05 AM 6:55 PM 11:49:53 -3:23 5:20 AM 8:39 PM 5:57 AM 8:02 PM 6:33 AM 7:27 PM 1:00 PM (40.7°) 93.15
28 +
7:06 AM 6:53 PM 11:46:31 -3:22 5:22 AM 8:36 PM 5:58 AM 8:00 PM 6:34 AM 7:25 PM 1:00 PM (40.4°) 93.12
29 +
7:07 AM 6:51 PM 11:43:08 -3:23 5:23 AM 8:34 PM 6:00 AM 7:58 PM 6:35 AM 7:22 PM 1:00 PM (40.0°) 93.09
30 +
7:09 AM 6:49 PM 11:39:45 -3:23 5:25 AM 8:32 PM 6:01 AM 7:56 PM 6:37 AM 7:20 PM 1:00 PM (39.6°) 93.07