Astronomical Almanac

May 1980

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 +	5:54 AM	8:20 PM	14:26:27	+2:58	3:45 AM	10:29 PM	4:35 AM	9:39 PM	5:18 AM	8:56 PM	1:05 PM (58.0°)	93.69

2 +	5:52 AM	8:21 PM	14:29:23	+2:56	3:43 AM	10:32 PM	4:33 AM	9:41 PM	5:16 AM	8:58 PM	1:05 PM (58.3°)	93.71

3 +	5:50 AM	8:23 PM	14:32:17	+2:54	3:40 AM	10:34 PM	4:31 AM	9:43 PM	5:14 AM	8:59 PM	1:05 PM (58.6°)	93.73

4 +	5:49 AM	8:24 PM	14:35:09	+2:52	3:38 AM	10:36 PM	4:29 AM	9:45 PM	5:13 AM	9:01 PM	1:05 PM (58.9°)	93.76

5 +	5:47 AM	8:25 PM	14:38:00	+2:51	3:35 AM	10:39 PM	4:27 AM	9:46 PM	5:11 AM	9:02 PM	1:05 PM (59.2°)	93.78

6 +	5:46 AM	8:27 PM	14:40:49	+2:49	3:33 AM	10:41 PM	4:25 AM	9:48 PM	5:09 AM	9:04 PM	1:05 PM (59.5°)	93.8

7 +	5:44 AM	8:28 PM	14:43:36	+2:47	3:30 AM	10:43 PM	4:23 AM	9:50 PM	5:08 AM	9:05 PM	1:05 PM (59.8°)	93.83

8 +	5:43 AM	8:29 PM	14:46:21	+2:45	3:28 AM	10:46 PM	4:21 AM	9:52 PM	5:06 AM	9:07 PM	1:05 PM (60.0°)	93.85

9 +	5:42 AM	8:31 PM	14:49:04	+2:43	3:25 AM	10:48 PM	4:19 AM	9:54 PM	5:04 AM	9:08 PM	1:05 PM (60.3°)	93.87

10 +	5:40 AM	8:32 PM	14:51:44	+2:40	3:23 AM	10:51 PM	4:17 AM	9:55 PM	5:03 AM	9:09 PM	1:05 PM (60.6°)	93.89

11 +	5:39 AM	8:33 PM	14:54:22	+2:38	3:20 AM	10:53 PM	4:15 AM	9:57 PM	5:01 AM	9:11 PM	1:05 PM (60.8°)	93.91

12 +	5:38 AM	8:35 PM	14:56:58	+2:36	3:18 AM	10:56 PM	4:14 AM	9:59 PM	5:00 AM	9:12 PM	1:05 PM (61.1°)	93.94

13 +	5:36 AM	8:36 PM	14:59:32	+2:34	3:15 AM	10:58 PM	4:12 AM	10:01 PM	4:58 AM	9:14 PM	1:05 PM (61.3°)	93.96

14 +	5:35 AM	8:37 PM	15:02:03	+2:31	3:13 AM	11:01 PM	4:10 AM	10:02 PM	4:57 AM	9:15 PM	1:05 PM (61.5°)	93.98

15 +	5:34 AM	8:38 PM	15:04:31	+2:28	3:10 AM	11:03 PM	4:08 AM	10:04 PM	4:56 AM	9:17 PM	1:05 PM (61.8°)	94.0

16 +	5:33 AM	8:40 PM	15:06:57	+2:26	3:08 AM	11:06 PM	4:07 AM	10:06 PM	4:54 AM	9:18 PM	1:05 PM (62.0°)	94.02

17 +	5:31 AM	8:41 PM	15:09:20	+2:23	3:05 AM	11:08 PM	4:05 AM	10:08 PM	4:53 AM	9:19 PM	1:05 PM (62.2°)	94.03

18 +	5:30 AM	8:42 PM	15:11:40	+2:20	3:03 AM	11:11 PM	4:03 AM	10:09 PM	4:52 AM	9:21 PM	1:05 PM (62.4°)	94.05

19 +	5:29 AM	8:43 PM	15:13:57	+2:17	3:00 AM	11:13 PM	4:02 AM	10:11 PM	4:50 AM	9:22 PM	1:05 PM (62.6°)	94.07

20 +	5:28 AM	8:44 PM	15:16:11	+2:14	2:58 AM	11:16 PM	4:00 AM	10:13 PM	4:49 AM	9:23 PM	1:05 PM (62.9°)	94.09

21 +	5:27 AM	8:46 PM	15:18:22	+2:11	2:56 AM	11:18 PM	3:59 AM	10:14 PM	4:48 AM	9:25 PM	1:05 PM (63.0°)	94.11

22 +	5:26 AM	8:47 PM	15:20:30	+2:08	2:53 AM	11:21 PM	3:57 AM	10:16 PM	4:47 AM	9:26 PM	1:05 PM (63.2°)	94.12

23 +	5:25 AM	8:48 PM	15:22:35	+2:05	2:51 AM	11:23 PM	3:56 AM	10:18 PM	4:46 AM	9:27 PM	1:05 PM (63.4°)	94.14

24 +	5:24 AM	8:49 PM	15:24:35	+2:00	2:49 AM	11:26 PM	3:54 AM	10:19 PM	4:45 AM	9:29 PM	1:05 PM (63.6°)	94.16

25 +	5:23 AM	8:50 PM	15:26:33	+1:58	2:46 AM	11:28 PM	3:53 AM	10:21 PM	4:44 AM	9:30 PM	1:05 PM (63.8°)	94.17

26 +	5:23 AM	8:51 PM	15:28:27	+1:54	2:44 AM	11:31 PM	3:52 AM	10:22 PM	4:43 AM	9:31 PM	1:05 PM (64.0°)	94.19

27 +	5:22 AM	8:52 PM	15:30:18	+1:51	2:42 AM	11:33 PM	3:51 AM	10:24 PM	4:42 AM	9:32 PM	1:05 PM (64.1°)	94.2

28 +	5:21 AM	8:53 PM	15:32:04	+1:46	2:40 AM	11:36 PM	3:49 AM	10:25 PM	4:41 AM	9:33 PM	1:05 PM (64.3°)	94.22

29 +	5:20 AM	8:54 PM	15:33:47	+1:43	2:38 AM	11:38 PM	3:48 AM	10:27 PM	4:40 AM	9:35 PM	1:05 PM (64.4°)	94.23

30 +	5:20 AM	8:55 PM	15:35:25	+1:38	2:35 AM	11:40 PM	3:47 AM	10:28 PM	4:39 AM	9:36 PM	1:10 PM (64.6°)	94.25

31 +	5:19 AM	8:56 PM	15:37:01	+1:36	2:33 AM	11:43 PM	3:46 AM	10:29 PM	4:38 AM	9:37 PM	1:10 PM (64.7°)	94.26

Day	Moonrise/Moonset			Meridian Passing
Day	Moonrise	Moonset	Moonrise	Time	Thou. mi.	Illumination
1 +	-	7:10 AM	9:45 PM	1:55 AM (27.7°)	243.84	97%

2 +	-	7:45 AM	10:45 PM	2:45 AM (25.4°)	241.93	92%

3 +	-	8:27 AM	11:43 PM	3:35 AM (23.8°)	239.82	85%

4 +	-	9:15 AM	-	4:30 AM (23.0°)	237.54	77%

5 +	12:36 AM	10:10 AM	-	5:25 AM (23.2°)	235.11	67%

6 +	1:25 AM	11:11 AM	-	6:20 AM (24.5°)	232.57	57%

7 +	2:08 AM	12:19 PM	-	7:15 AM (26.9°)	230.01	47%

8 +	2:46 AM	1:30 PM	-	8:10 AM (30.4°)	227.55	36%

9 +	3:20 AM	2:44 PM	-	9:00 AM (34.6°)	225.36	26%

10 +	3:52 AM	3:59 PM	-	9:55 AM (38.1°)	223.63	17%

11 +	4:23 AM	5:16 PM	-	10:50 AM (43.4°)	222.58	10%

12 +	4:55 AM	6:34 PM	-	11:40 AM (48.6°)	222.35	5%

13 +	5:28 AM	7:51 PM	-	12:35 PM (53.3°)	223.06	1%

14 +	6:05 AM	9:06 PM	-	1:30 PM (57.2°)	224.7	0%

15 +	6:46 AM	10:15 PM	-	2:30 PM (60.0°)	227.16	1%

16 +	7:33 AM	11:18 PM	-	3:25 PM (61.5°)	230.24	4%

17 +	8:26 AM	-	-	4:20 PM (61.9°)	233.69	10%

18 +	-	12:12 AM	9:24 AM	5:15 PM (61.1°)	237.22	17%

19 +	-	12:57 AM	10:24 AM	6:05 PM (59.3°)	240.57	25%

20 +	-	1:36 AM	11:26 AM	6:50 PM (55.1°)	243.49	35%

21 +	-	2:08 AM	12:27 PM	7:35 PM (52.6°)	245.82	45%

22 +	-	2:36 AM	1:28 PM	8:20 PM (49.4°)	247.45	56%

23 +	-	3:02 AM	2:29 PM	9:00 PM (45.6°)	248.32	66%

24 +	-	3:26 AM	3:29 PM	9:40 PM (40.8°)	248.46	76%

25 +	-	3:50 AM	4:30 PM	10:25 PM (37.3°)	247.92	84%

26 +	-	4:15 AM	5:31 PM	11:05 PM (33.6°)	246.79	91%

27 +	-	4:41 AM	6:33 PM	12:00 AM (32.5°)	245.22	96%

28 +	-	5:11 AM	7:35 PM	12:00 AM (30.1°)	243.32	99%

29 +	-	5:45 AM	8:37 PM	12:40 AM (26.4°)	241.24	100%

30 +	-	6:24 AM	9:37 PM	1:30 AM (24.4°)	239.08	98%

31 +	-	7:10 AM	10:33 PM	2:25 AM (23.2°)	236.95	95%