Astronomical Almanac for September 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 +
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 (-2.6°) 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 (-3.0°) 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 (-3.3°) 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 (-3.6°) 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 (-4.0°) 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 (-4.3°) 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 (-4.6°) 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 (-5.0°) 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 (-5.3°) 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 (-5.7°) 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 (-6.0°) 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 (-6.3°) 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 (-6.7°) 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 (-7.0°) 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 (-7.4°) 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 (-7.7°) 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 (-8.1°) 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 (-8.4°) 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 (-8.8°) 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 (-9.1°) 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 (-9.5°) 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 (-9.8°) 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 (-10.2°) 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 (-10.5°) 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 (-10.9°) 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 (-11.2°) 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 (-11.6°) 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 (-11.9°) 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 (-12.3°) 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 (-12.6°) 93.07
Day Moonrise/Moonset Meridian Passing
Moonrise Moonset Moonrise Time Thou. mi. Illumination
1 +
9:33 AM 9:40 PM - 3:40 PM (-4.1°) 244.13 7%
2 +
10:36 AM 10:04 PM - 4:20 PM (-10.1°) 246.05 13%
3 +
11:38 AM 10:29 PM - 5:05 PM (-20.0°) 247.44 21%
4 +
12:40 PM 10:57 PM - 5:50 PM (-15.7°) 248.17 30%
5 +
1:40 PM 11:28 PM - 6:35 PM (-20.7°) 248.15 40%
6 +
2:39 PM - - 7:25 PM (-25.0°) 247.35 51%
7 +
- 12:05 AM 3:35 PM 8:10 PM (-28.3°) 245.78 61%
8 +
- 12:49 AM 4:27 PM 9:05 PM (-30.7°) 243.54 71%
9 +
- 1:39 AM 5:15 PM 9:55 PM (-22.3°) 240.76 81%
10 +
- 2:37 AM 5:57 PM 10:50 PM (-22.8°) 237.64 88%
11 +
- 3:42 AM 6:34 PM 11:40 PM (-22.4°) 234.41 94%
12 +
- 4:51 AM 7:06 PM 12:00 AM (-21.2°) 231.33 98%
13 +
- 6:04 AM 7:36 PM 12:00 AM (-9.7°) 228.64 100%
14 +
- 7:19 AM 8:04 PM 1:25 AM (-7.4°) 226.52 100%
15 +
- 8:35 AM 8:32 PM 2:20 AM (-4.8°) 225.13 97%
16 +
- 9:52 AM 9:01 PM 3:10 AM (-2.0°) 224.49 92%
17 +
- 11:09 AM 9:33 PM 4:00 AM (0.7°) 224.57 85%
18 +
- 12:26 PM 10:09 PM 4:55 AM (12.5°) 225.28 77%
19 +
- 1:40 PM 10:52 PM 5:50 AM (14.4°) 226.49 68%
20 +
- 2:49 PM 11:42 PM 6:50 AM (15.4°) 228.04 57%
21 +
- 3:50 PM - 7:45 AM (15.5°) 229.83 47%
22 +
12:39 AM 4:41 PM - 8:40 AM (14.4°) 231.77 36%
23 +
1:43 AM 5:24 PM - 9:35 AM (12.1°) 233.78 26%
24 +
2:51 AM 5:59 PM - 10:30 AM (8.6°) 235.84 18%
25 +
3:59 AM 6:29 PM - 11:20 AM (4.0°) 237.94 10%
26 +
5:07 AM 6:56 PM - 12:05 PM (-1.5°) 240.03 5%
27 +
6:14 AM 7:20 PM - 12:50 PM (2.5°) 242.09 1%
28 +
7:19 AM 7:43 PM - 1:35 PM (-3.6°) 244.05 0%
29 +
8:24 AM 8:06 PM - 2:15 PM (-9.7°) 245.82 1%
30 +
9:27 AM 8:30 PM - 3:00 PM (-15.6°) 247.28 4%