Astronomical Almanac for September 2040

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 +	6:27 AM	7:44 PM	13:17:18	-3:17	4:34 AM	9:36 PM	5:15 AM	8:55 PM	5:53 AM	8:17 PM	1:05 PM (50.7°)	93.8

2 +	6:28 AM	7:42 PM	13:14:02	-3:16	4:36 AM	9:34 PM	5:17 AM	8:53 PM	5:55 AM	8:15 PM	1:05 PM (50.3°)	93.78

3 +	6:29 AM	7:40 PM	13:10:44	-3:18	4:37 AM	9:31 PM	5:18 AM	8:51 PM	5:56 AM	8:13 PM	1:05 PM (50.0°)	93.75

4 +	6:31 AM	7:38 PM	13:07:26	-3:18	4:39 AM	9:29 PM	5:20 AM	8:49 PM	5:58 AM	8:11 PM	1:05 PM (49.6°)	93.73

5 +	6:32 AM	7:36 PM	13:04:08	-3:18	4:41 AM	9:26 PM	5:21 AM	8:47 PM	5:59 AM	8:09 PM	1:05 PM (49.2°)	93.71

6 +	6:33 AM	7:34 PM	13:00:49	-3:19	4:43 AM	9:24 PM	5:23 AM	8:44 PM	6:00 AM	8:07 PM	1:05 PM (48.9°)	93.68

7 +	6:35 AM	7:32 PM	12:57:30	-3:19	4:45 AM	9:22 PM	5:24 AM	8:42 PM	6:02 AM	8:05 PM	1:05 PM (48.5°)	93.66

8 +	6:36 AM	7:30 PM	12:54:11	-3:19	4:46 AM	9:19 PM	5:26 AM	8:40 PM	6:03 AM	8:03 PM	1:05 PM (48.1°)	93.64

9 +	6:37 AM	7:28 PM	12:50:51	-3:20	4:48 AM	9:17 PM	5:27 AM	8:38 PM	6:05 AM	8:01 PM	1:05 PM (47.7°)	93.61

10 +	6:39 AM	7:26 PM	12:47:31	-3:20	4:50 AM	9:14 PM	5:29 AM	8:36 PM	6:06 AM	7:59 PM	1:05 PM (47.4°)	93.59

11 +	6:40 AM	7:24 PM	12:44:10	-3:21	4:51 AM	9:12 PM	5:30 AM	8:33 PM	6:07 AM	7:57 PM	1:05 PM (47.0°)	93.56

12 +	6:41 AM	7:22 PM	12:40:50	-3:20	4:53 AM	9:10 PM	5:32 AM	8:31 PM	6:09 AM	7:54 PM	1:00 PM (46.6°)	93.54

13 +	6:43 AM	7:20 PM	12:37:28	-3:22	4:55 AM	9:07 PM	5:33 AM	8:29 PM	6:10 AM	7:52 PM	1:00 PM (46.2°)	93.51

14 +	6:44 AM	7:18 PM	12:34:07	-3:21	4:56 AM	9:05 PM	5:35 AM	8:27 PM	6:12 AM	7:50 PM	1:00 PM (45.8°)	93.49

15 +	6:45 AM	7:16 PM	12:30:46	-3:21	4:58 AM	9:03 PM	5:36 AM	8:25 PM	6:13 AM	7:48 PM	1:00 PM (45.5°)	93.46

16 +	6:47 AM	7:14 PM	12:27:24	-3:22	5:00 AM	9:00 PM	5:38 AM	8:22 PM	6:14 AM	7:46 PM	1:00 PM (45.1°)	93.44

17 +	6:48 AM	7:12 PM	12:24:02	-3:22	5:01 AM	8:58 PM	5:39 AM	8:20 PM	6:16 AM	7:44 PM	1:00 PM (44.7°)	93.41

18 +	6:49 AM	7:10 PM	12:20:41	-3:21	5:03 AM	8:56 PM	5:41 AM	8:18 PM	6:17 AM	7:42 PM	1:00 PM (44.3°)	93.38

19 +	6:51 AM	7:08 PM	12:17:19	-3:22	5:05 AM	8:53 PM	5:42 AM	8:16 PM	6:18 AM	7:40 PM	1:00 PM (43.9°)	93.36

20 +	6:52 AM	7:06 PM	12:13:56	-3:23	5:06 AM	8:51 PM	5:44 AM	8:14 PM	6:20 AM	7:38 PM	1:00 PM (43.5°)	93.33

21 +	6:53 AM	7:04 PM	12:10:34	-3:22	5:08 AM	8:49 PM	5:45 AM	8:12 PM	6:21 AM	7:36 PM	1:00 PM (43.1°)	93.31

22 +	6:55 AM	7:02 PM	12:07:12	-3:22	5:09 AM	8:47 PM	5:46 AM	8:10 PM	6:22 AM	7:34 PM	1:00 PM (42.7°)	93.28

23 +	6:56 AM	7:00 PM	12:03:49	-3:23	5:11 AM	8:44 PM	5:48 AM	8:07 PM	6:24 AM	7:32 PM	1:00 PM (42.4°)	93.26

24 +	6:57 AM	6:58 PM	12:00:27	-3:22	5:12 AM	8:42 PM	5:49 AM	8:05 PM	6:25 AM	7:30 PM	1:00 PM (42.0°)	93.23

25 +	6:59 AM	6:56 PM	11:57:04	-3:23	5:14 AM	8:40 PM	5:51 AM	8:03 PM	6:27 AM	7:28 PM	1:00 PM (41.6°)	93.2

26 +	7:00 AM	6:54 PM	11:53:42	-3:22	5:15 AM	8:38 PM	5:52 AM	8:01 PM	6:28 AM	7:26 PM	12:55 PM (39.6°)	93.18

27 +	7:01 AM	6:52 PM	11:50:19	-3:23	5:17 AM	8:36 PM	5:53 AM	7:59 PM	6:29 AM	7:23 PM	12:55 PM (39.2°)	93.15

28 +	7:03 AM	6:50 PM	11:46:57	-3:22	5:18 AM	8:33 PM	5:55 AM	7:57 PM	6:31 AM	7:21 PM	12:55 PM (38.9°)	93.13

29 +	7:04 AM	6:48 PM	11:43:34	-3:23	5:20 AM	8:31 PM	5:56 AM	7:55 PM	6:32 AM	7:19 PM	12:55 PM (38.5°)	93.1

30 +	7:05 AM	6:46 PM	11:40:12	-3:22	5:21 AM	8:29 PM	5:58 AM	7:53 PM	6:33 AM	7:17 PM	12:55 PM (38.1°)	93.07

Day	Moonrise/Moonset			Meridian Passing
Day	Moonrise	Moonset	Moonrise	Time	Thou. mi.	Illumination
1 +	12:53 AM	5:59 PM	-	9:30 AM (68.3°)	248.8	25%

2 +	1:49 AM	6:38 PM	-	10:15 AM (67.5°)	248.89	16%

3 +	2:52 AM	7:08 PM	-	11:05 AM (65.2°)	248.39	9%

4 +	3:58 AM	7:33 PM	-	11:50 AM (60.0°)	247.41	4%

5 +	5:06 AM	7:54 PM	-	12:35 PM (56.6°)	246.03	1%

6 +	6:14 AM	8:13 PM	-	1:20 PM (52.1°)	244.38	0%

7 +	7:22 AM	8:30 PM	-	2:00 PM (46.8°)	242.52	1%

8 +	8:31 AM	8:47 PM	-	2:40 PM (40.2°)	240.51	5%

9 +	9:41 AM	9:05 PM	-	3:25 PM (34.9°)	238.4	11%

10 +	10:53 AM	9:26 PM	-	4:10 PM (29.5°)	236.21	18%

11 +	12:07 PM	9:51 PM	-	5:00 PM (24.5°)	233.96	27%

12 +	1:24 PM	10:23 PM	-	5:55 PM (19.3°)	231.69	37%

13 +	2:39 PM	11:05 PM	-	6:55 PM (16.5°)	229.46	47%

14 +	3:50 PM	-	-	7:55 PM (15.2°)	227.37	58%

15 +	-	12:01 AM	4:50 PM	9:00 PM (16.8°)	225.57	68%

16 +	-	1:09 AM	5:38 PM	10:05 PM (19.3°)	224.2	78%

17 +	-	2:28 AM	6:16 PM	11:05 PM (23.5°)	223.45	86%

18 +	-	3:52 AM	6:45 PM	12:00 AM (22.4°)	223.47	92%

19 +	-	5:15 AM	7:09 PM	12:00 AM (29.0°)	224.32	97%

20 +	-	6:37 AM	7:29 PM	12:00 AM (34.1°)	226.02	100%

21 +	-	7:56 AM	7:49 PM	1:40 AM (41.1°)	228.47	100%

22 +	-	9:13 AM	8:09 PM	2:30 AM (47.9°)	231.48	98%

23 +	-	10:29 AM	8:30 PM	3:15 AM (54.2°)	234.82	94%

24 +	-	11:44 AM	8:54 PM	4:00 AM (59.6°)	238.21	88%

25 +	-	12:56 PM	9:24 PM	4:50 AM (62.1°)	241.4	80%

26 +	-	2:04 PM	10:00 PM	5:40 AM (65.7°)	244.15	71%

27 +	-	3:04 PM	10:45 PM	6:30 AM (68.1°)	246.29	61%

28 +	-	3:56 PM	11:38 PM	7:20 AM (69.0°)	247.71	50%

29 +	-	4:38 PM	-	8:10 AM (68.4°)	248.35	40%

30 +	12:38 AM	5:11 PM	-	9:00 AM (66.5°)	248.22	30%