Astronomical Almanac

October 1981

Month Year

Day	Sunrise/Sunset		Day Length		Astronomical Twilight		Nautical Twilight		Civil Twilight		Solar Noon
Day	Sunrise	Sunset	Length	Diff.	Start	End	Start	End	Start	End	Time	Mil. mi.
1 +	7:10 AM	6:47 PM	11:36:23	-3:22	5:26 AM	8:30 PM	6:03 AM	7:54 PM	6:38 AM	7:18 PM	1:00 PM (39.2°)	93.04

2 +	7:12 AM	6:45 PM	11:33:01	-3:22	5:28 AM	8:28 PM	6:04 AM	7:52 PM	6:39 AM	7:17 PM	1:00 PM (38.8°)	93.01

3 +	7:13 AM	6:43 PM	11:29:38	-3:23	5:29 AM	8:26 PM	6:05 AM	7:50 PM	6:41 AM	7:15 PM	1:00 PM (38.4°)	92.99

4 +	7:14 AM	6:41 PM	11:26:17	-3:21	5:31 AM	8:24 PM	6:07 AM	7:48 PM	6:42 AM	7:13 PM	1:00 PM (38.0°)	92.96

5 +	7:16 AM	6:39 PM	11:22:55	-3:22	5:32 AM	8:22 PM	6:08 AM	7:46 PM	6:44 AM	7:11 PM	1:00 PM (37.6°)	92.93

6 +	7:17 AM	6:37 PM	11:19:33	-3:22	5:34 AM	8:20 PM	6:09 AM	7:44 PM	6:45 AM	7:09 PM	12:55 PM (35.8°)	92.9

7 +	7:18 AM	6:35 PM	11:16:12	-3:21	5:35 AM	8:18 PM	6:11 AM	7:42 PM	6:46 AM	7:07 PM	12:55 PM (35.4°)	92.88

8 +	7:20 AM	6:33 PM	11:12:51	-3:21	5:36 AM	8:16 PM	6:12 AM	7:40 PM	6:48 AM	7:05 PM	12:55 PM (35.0°)	92.85

9 +	7:21 AM	6:31 PM	11:09:30	-3:21	5:38 AM	8:14 PM	6:14 AM	7:38 PM	6:49 AM	7:03 PM	12:55 PM (34.7°)	92.82

10 +	7:23 AM	6:29 PM	11:06:10	-3:20	5:39 AM	8:12 PM	6:15 AM	7:36 PM	6:50 AM	7:01 PM	12:55 PM (34.3°)	92.79

11 +	7:24 AM	6:27 PM	11:02:50	-3:20	5:41 AM	8:10 PM	6:16 AM	7:34 PM	6:52 AM	6:59 PM	12:55 PM (34.0°)	92.77

12 +	7:25 AM	6:25 PM	10:59:30	-3:20	5:42 AM	8:08 PM	6:18 AM	7:33 PM	6:53 AM	6:57 PM	12:55 PM (33.6°)	92.74

13 +	7:27 AM	6:23 PM	10:56:11	-3:19	5:44 AM	8:06 PM	6:19 AM	7:31 PM	6:55 AM	6:55 PM	12:55 PM (33.3°)	92.71

14 +	7:28 AM	6:21 PM	10:52:53	-3:18	5:45 AM	8:04 PM	6:20 AM	7:29 PM	6:56 AM	6:54 PM	12:55 PM (32.9°)	92.69

15 +	7:30 AM	6:19 PM	10:49:34	-3:19	5:46 AM	8:03 PM	6:22 AM	7:27 PM	6:57 AM	6:52 PM	12:55 PM (32.6°)	92.66

16 +	7:31 AM	6:17 PM	10:46:17	-3:17	5:48 AM	8:01 PM	6:23 AM	7:25 PM	6:59 AM	6:50 PM	12:55 PM (32.2°)	92.64

17 +	7:33 AM	6:16 PM	10:43:00	-3:17	5:49 AM	7:59 PM	6:25 AM	7:24 PM	7:00 AM	6:48 PM	12:55 PM (31.9°)	92.61

18 +	7:34 AM	6:14 PM	10:39:43	-3:17	5:50 AM	7:57 PM	6:26 AM	7:22 PM	7:01 AM	6:46 PM	12:55 PM (31.5°)	92.59

19 +	7:36 AM	6:12 PM	10:36:27	-3:16	5:52 AM	7:56 PM	6:27 AM	7:20 PM	7:03 AM	6:45 PM	12:55 PM (31.2°)	92.56

20 +	7:37 AM	6:10 PM	10:33:12	-3:15	5:53 AM	7:54 PM	6:29 AM	7:18 PM	7:04 AM	6:43 PM	12:55 PM (30.8°)	92.53

21 +	7:38 AM	6:08 PM	10:29:57	-3:15	5:55 AM	7:52 PM	6:30 AM	7:17 PM	7:06 AM	6:41 PM	12:55 PM (30.5°)	92.51

22 +	7:40 AM	6:07 PM	10:26:44	-3:13	5:56 AM	7:51 PM	6:31 AM	7:15 PM	7:07 AM	6:40 PM	12:55 PM (30.1°)	92.48

23 +	7:41 AM	6:05 PM	10:23:31	-3:13	5:57 AM	7:49 PM	6:33 AM	7:14 PM	7:08 AM	6:38 PM	12:55 PM (29.8°)	92.46

24 +	7:43 AM	6:03 PM	10:20:19	-3:12	5:59 AM	7:47 PM	6:34 AM	7:12 PM	7:10 AM	6:36 PM	12:55 PM (29.5°)	92.43

25 +	6:44 AM	5:02 PM	10:17:07	-3:12	5:00 AM	6:46 PM	5:35 AM	6:10 PM	6:11 AM	5:35 PM	11:56 AM (25.2°)	92.41

26 +	6:46 AM	5:00 PM	10:13:57	-3:10	5:01 AM	6:44 PM	5:37 AM	6:09 PM	6:13 AM	5:33 PM	11:55 AM (28.8°)	92.38

27 +	6:47 AM	4:58 PM	10:10:48	-3:09	5:03 AM	6:43 PM	5:38 AM	6:07 PM	6:14 AM	5:31 PM	11:55 AM (28.5°)	92.36

28 +	6:49 AM	4:57 PM	10:07:40	-3:08	5:04 AM	6:41 PM	5:40 AM	6:06 PM	6:16 AM	5:30 PM	11:55 AM (28.1°)	92.33

29 +	6:50 AM	4:55 PM	10:04:33	-3:07	5:05 AM	6:40 PM	5:41 AM	6:04 PM	6:17 AM	5:28 PM	11:55 AM (27.8°)	92.31

30 +	6:52 AM	4:53 PM	10:01:27	-3:06	5:07 AM	6:38 PM	5:42 AM	6:03 PM	6:18 AM	5:27 PM	11:55 AM (27.5°)	92.28

31 +	6:53 AM	4:52 PM	9:58:23	-3:04	5:08 AM	6:37 PM	5:44 AM	6:01 PM	6:20 AM	5:25 PM	11:55 AM (27.2°)	92.26

Day	Moonrise/Moonset			Meridian Passing
Day	Moonrise	Moonset	Moonrise	Time	Thou. mi.	Illumination
1 +	10:29 AM	8:56 PM	-	3:45 PM (28.4°)	248.31	9%

2 +	11:30 AM	9:26 PM	-	4:30 PM (25.6°)	248.8	17%

3 +	12:29 PM	10:01 PM	-	5:15 PM (23.4°)	248.63	25%

4 +	1:26 PM	10:41 PM	-	6:05 PM (21.9°)	247.73	35%

5 +	2:20 PM	11:28 PM	-	6:55 PM (20.2°)	246.09	45%

6 +	3:08 PM	-	-	7:45 PM (21.0°)	243.73	56%

7 +	-	12:22 AM	3:52 PM	8:35 PM (22.8°)	240.75	66%

8 +	-	1:22 AM	4:30 PM	9:30 PM (25.6°)	237.3	76%

9 +	-	2:29 AM	5:04 PM	10:20 PM (29.4°)	233.61	84%

10 +	-	3:39 AM	5:34 PM	11:15 PM (34.1°)	229.96	91%

11 +	-	4:53 AM	6:03 PM	12:00 AM (33.3°)	226.64	96%

12 +	-	6:09 AM	6:30 PM	12:00 AM (39.4°)	223.96	99%

13 +	-	7:27 AM	6:59 PM	12:55 AM (43.4°)	222.13	100%

14 +	-	8:47 AM	7:30 PM	1:50 AM (49.1°)	221.31	99%

15 +	-	10:08 AM	8:05 PM	2:45 AM (54.3°)	221.52	95%

16 +	-	11:26 AM	8:46 PM	3:40 AM (58.5°)	222.68	89%

17 +	-	12:40 PM	9:35 PM	4:40 AM (61.5°)	224.6	82%

18 +	-	1:45 PM	10:32 PM	5:40 AM (62.9°)	227.06	73%

19 +	-	2:41 PM	11:35 PM	6:40 AM (63.0°)	229.83	63%

20 +	-	3:26 PM	-	7:35 AM (61.8°)	232.69	52%

21 +	12:42 AM	4:03 PM	-	8:25 AM (59.6°)	235.5	42%

22 +	1:50 AM	4:34 PM	-	9:15 AM (56.4°)	238.14	32%

23 +	2:58 AM	5:01 PM	-	10:05 AM (52.5°)	240.55	22%

24 +	4:05 AM	5:25 PM	-	10:50 AM (46.8°)	242.71	14%

25 +	4:10 AM	4:47 PM	-	10:32 AM (39.6°)	244.68	8%

26 +	5:14 AM	5:10 PM	-	11:15 AM (38.7°)	246.29	3%

27 +	6:17 AM	5:33 PM	-	11:55 AM (33.0°)	247.61	0%

28 +	7:19 AM	5:58 PM	-	12:40 PM (29.7°)	248.6	0%

29 +	8:21 AM	6:27 PM	-	1:25 PM (26.6°)	249.22	2%

30 +	9:22 AM	6:59 PM	-	2:10 PM (24.0°)	249.38	7%

31 +	10:20 AM	7:37 PM	-	3:00 PM (22.1°)	249.02	13%