Astronomical Almanac

September 1999

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 +	6:28 AM	7:47 PM	13:18:55	-3:16	4:35 AM	9:40 PM	5:17 AM	8:59 PM	5:55 AM	8:20 PM	1:10 PM (50.9°)	93.81

2 +	6:30 AM	7:45 PM	13:15:38	-3:17	4:37 AM	9:37 PM	5:18 AM	8:57 PM	5:56 AM	8:18 PM	1:10 PM (50.5°)	93.79

3 +	6:31 AM	7:43 PM	13:12:21	-3:17	4:39 AM	9:35 PM	5:20 AM	8:54 PM	5:58 AM	8:16 PM	1:10 PM (50.1°)	93.77

4 +	6:32 AM	7:41 PM	13:09:04	-3:17	4:41 AM	9:32 PM	5:21 AM	8:52 PM	5:59 AM	8:14 PM	1:10 PM (49.8°)	93.74

5 +	6:34 AM	7:39 PM	13:05:45	-3:19	4:42 AM	9:30 PM	5:23 AM	8:50 PM	6:01 AM	8:12 PM	1:05 PM (49.4°)	93.72

6 +	6:35 AM	7:37 PM	13:02:27	-3:18	4:44 AM	9:28 PM	5:24 AM	8:48 PM	6:02 AM	8:10 PM	1:05 PM (49.0°)	93.7

7 +	6:36 AM	7:35 PM	12:59:08	-3:19	4:46 AM	9:25 PM	5:26 AM	8:46 PM	6:03 AM	8:08 PM	1:05 PM (48.7°)	93.67

8 +	6:38 AM	7:33 PM	12:55:49	-3:19	4:48 AM	9:23 PM	5:27 AM	8:43 PM	6:05 AM	8:06 PM	1:05 PM (48.3°)	93.65

9 +	6:39 AM	7:31 PM	12:52:29	-3:20	4:50 AM	9:20 PM	5:29 AM	8:41 PM	6:06 AM	8:04 PM	1:05 PM (47.9°)	93.63

10 +	6:40 AM	7:29 PM	12:49:09	-3:20	4:51 AM	9:18 PM	5:30 AM	8:39 PM	6:08 AM	8:02 PM	1:05 PM (47.5°)	93.6

11 +	6:42 AM	7:27 PM	12:45:49	-3:20	4:53 AM	9:15 PM	5:32 AM	8:37 PM	6:09 AM	8:00 PM	1:05 PM (47.2°)	93.58

12 +	6:43 AM	7:25 PM	12:42:28	-3:21	4:55 AM	9:13 PM	5:33 AM	8:35 PM	6:10 AM	7:58 PM	1:05 PM (46.8°)	93.55

13 +	6:44 AM	7:23 PM	12:39:07	-3:21	4:56 AM	9:11 PM	5:35 AM	8:32 PM	6:12 AM	7:56 PM	1:05 PM (46.4°)	93.53

14 +	6:46 AM	7:21 PM	12:35:46	-3:21	4:58 AM	9:08 PM	5:36 AM	8:30 PM	6:13 AM	7:54 PM	1:05 PM (46.0°)	93.5

15 +	6:47 AM	7:19 PM	12:32:24	-3:22	5:00 AM	9:06 PM	5:38 AM	8:28 PM	6:15 AM	7:52 PM	1:05 PM (45.6°)	93.48

16 +	6:48 AM	7:17 PM	12:29:03	-3:21	5:01 AM	9:04 PM	5:39 AM	8:26 PM	6:16 AM	7:49 PM	1:05 PM (45.2°)	93.45

17 +	6:50 AM	7:15 PM	12:25:41	-3:22	5:03 AM	9:01 PM	5:41 AM	8:24 PM	6:17 AM	7:47 PM	1:05 PM (44.9°)	93.43

18 +	6:51 AM	7:13 PM	12:22:19	-3:22	5:04 AM	8:59 PM	5:42 AM	8:22 PM	6:19 AM	7:45 PM	1:05 PM (44.5°)	93.4

19 +	6:52 AM	7:11 PM	12:18:57	-3:22	5:06 AM	8:57 PM	5:44 AM	8:19 PM	6:20 AM	7:43 PM	1:00 PM (44.1°)	93.37

20 +	6:53 AM	7:09 PM	12:15:35	-3:22	5:08 AM	8:54 PM	5:45 AM	8:17 PM	6:21 AM	7:41 PM	1:00 PM (43.7°)	93.35

21 +	6:55 AM	7:07 PM	12:12:13	-3:22	5:09 AM	8:52 PM	5:47 AM	8:15 PM	6:23 AM	7:39 PM	1:00 PM (43.3°)	93.32

22 +	6:56 AM	7:05 PM	12:08:50	-3:23	5:11 AM	8:50 PM	5:48 AM	8:13 PM	6:24 AM	7:37 PM	1:00 PM (42.9°)	93.3

23 +	6:57 AM	7:03 PM	12:05:28	-3:22	5:12 AM	8:48 PM	5:49 AM	8:11 PM	6:25 AM	7:35 PM	1:00 PM (42.5°)	93.27

24 +	6:59 AM	7:01 PM	12:02:05	-3:23	5:14 AM	8:45 PM	5:51 AM	8:09 PM	6:27 AM	7:33 PM	1:00 PM (42.2°)	93.24

25 +	7:00 AM	6:59 PM	11:58:43	-3:22	5:15 AM	8:43 PM	5:52 AM	8:07 PM	6:28 AM	7:31 PM	1:00 PM (41.8°)	93.22

26 +	7:02 AM	6:57 PM	11:55:20	-3:23	5:17 AM	8:41 PM	5:54 AM	8:05 PM	6:29 AM	7:29 PM	1:00 PM (41.4°)	93.19

27 +	7:03 AM	6:55 PM	11:51:58	-3:22	5:18 AM	8:39 PM	5:55 AM	8:02 PM	6:31 AM	7:27 PM	1:00 PM (41.0°)	93.16

28 +	7:04 AM	6:53 PM	11:48:35	-3:23	5:20 AM	8:37 PM	5:56 AM	8:00 PM	6:32 AM	7:25 PM	1:00 PM (40.6°)	93.14

29 +	7:06 AM	6:51 PM	11:45:13	-3:22	5:21 AM	8:35 PM	5:58 AM	7:58 PM	6:34 AM	7:23 PM	1:00 PM (40.2°)	93.11

30 +	7:07 AM	6:49 PM	11:41:50	-3:23	5:23 AM	8:32 PM	5:59 AM	7:56 PM	6:35 AM	7:21 PM	1:00 PM (39.8°)	93.09

Day	Moonrise/Moonset			Meridian Passing
Day	Moonrise	Moonset	Moonrise	Time	Thou. mi.	Illumination
1 +	-	1:07 PM	11:07 PM	5:45 AM (54.2°)	227.15	66%

2 +	-	2:20 PM	11:48 PM	6:40 AM (58.0°)	227.0	55%

3 +	-	3:29 PM	-	7:35 AM (60.6°)	227.17	45%

4 +	12:37 AM	4:32 PM	-	8:35 AM (62.0°)	227.65	34%

5 +	1:34 AM	5:27 PM	-	9:30 AM (62.0°)	228.47	24%

6 +	2:37 AM	6:14 PM	-	10:30 AM (60.7°)	229.65	16%

7 +	3:45 AM	6:53 PM	-	11:25 AM (58.3°)	231.22	9%

8 +	4:56 AM	7:26 PM	-	12:15 PM (55.0°)	233.16	4%

9 +	6:06 AM	7:55 PM	-	1:05 PM (50.9°)	235.41	1%

10 +	7:15 AM	8:22 PM	-	1:50 PM (45.1°)	237.88	0%

11 +	8:22 AM	8:47 PM	-	2:35 PM (41.3°)	240.43	2%

12 +	9:27 AM	9:12 PM	-	3:20 PM (37.2°)	242.88	5%

13 +	10:30 AM	9:38 PM	-	4:05 PM (33.3°)	245.04	11%

14 +	11:33 AM	10:06 PM	-	4:50 PM (28.7°)	246.75	18%

15 +	12:33 PM	10:37 PM	-	5:35 PM (26.2°)	247.85	27%

16 +	1:32 PM	11:13 PM	-	6:25 PM (24.2°)	248.22	37%

17 +	2:27 PM	11:53 PM	-	7:10 PM (22.9°)	247.82	47%

18 +	3:20 PM	-	-	8:00 PM (22.4°)	246.63	58%

19 +	-	12:40 AM	4:08 PM	8:50 PM (21.9°)	244.71	68%

20 +	-	1:33 AM	4:51 PM	9:40 PM (23.7°)	242.19	78%

21 +	-	2:32 AM	5:29 PM	10:35 PM (26.4°)	239.25	86%

22 +	-	3:37 AM	6:03 PM	11:25 PM (30.1°)	236.1	92%

23 +	-	4:45 AM	6:34 PM	12:00 AM (29.8°)	232.98	97%

24 +	-	5:55 AM	7:03 PM	12:00 AM (34.4°)	230.14	100%

25 +	-	7:08 AM	7:32 PM	1:05 AM (39.3°)	227.79	100%

26 +	-	8:23 AM	8:01 PM	1:55 AM (42.9°)	226.08	98%

27 +	-	9:39 AM	8:32 PM	2:45 AM (48.3°)	225.09	94%

28 +	-	10:55 AM	9:07 PM	3:40 AM (53.2°)	224.82	88%

29 +	-	12:11 PM	9:47 PM	4:35 AM (57.4°)	225.18	80%

30 +	-	1:22 PM	10:33 PM	5:30 AM (60.4°)	226.08	71%