May 2025 (Gregorian)

Twilight and Astronomy Information

Greenwich Observatory, UK: 51.4778°N, 0°E, elevation 46.9m, time zone UT (Standard Time)

Date	Start of Twilight			Sun Rise	Rise Az °	Mid Day	° Sun Long	EoT	Day Span	Day Hour	Set Az °	Sun Set	° Moon Phase	End of Twilight			Mid- Night	Night Span	Night Hour	Moon Rise	° Rise Phase	Moon Set	° Set Phase
	Astro	Sea	Civil											Civil	Sea	Astro
1 Thu	02:03	03:04	03:53	04:30	65.2	11:57	41.4	+2.9	14:55	1:15	295.1	19:25	55.5	20:02	20:52	21:54	23:57	09:03	0:45	06:29	48.3	never
2 Fri	01:59	03:02	03:51	04:28	64.7	11:57	42.3	+3.0	14:59	1:15	295.6	19:27	68.4	20:04	20:54	21:58	23:57	09:00	0:45	07:40	62.1	00:52	58.4
3 Sat	01:56	02:59	03:49	04:26	64.2	11:57	43.3	+3.1	15:02	1:15	296.1	19:28	80.8	20:06	20:56	22:01	23:57	08:56	0:45	09:01	75.4	01:31	71.6
4 Sun	01:52	02:57	03:47	04:25	63.7	11:57	44.3	+3.2	15:06	1:15	296.6	19:30	92.8	20:08	20:59	22:05	23:57	08:53	0:44	10:23	88.3	01:58	84.1
5 Mon	01:48	02:54	03:45	04:23	63.2	11:57	45.2	+3.3	15:09	1:16	297.1	19:32	104.4	20:09	21:01	22:08	23:57	08:49	0:44	11:42	100.6	02:16	96.1
6 Tue	01:44	02:52	03:43	04:21	62.7	11:57	46.2	+3.4	15:12	1:16	297.6	19:33	115.7	20:11	21:03	22:12	23:57	08:46	0:44	12:57	112.6	02:29	107.7
7 Wed	01:41	02:49	03:41	04:19	62.2	11:57	47.2	+3.5	15:16	1:16	298.1	19:35	126.8	20:13	21:06	22:16	23:57	08:43	0:44	14:09	124.3	02:40	119.0
8 Thu	01:37	02:47	03:39	04:18	61.7	11:56	48.1	+3.5	15:19	1:17	298.6	19:37	137.7	20:15	21:08	22:20	23:56	08:39	0:43	15:19	135.8	02:50	130.1
9 Fri	01:33	02:44	03:38	04:16	61.3	11:56	49.1	+3.6	15:22	1:17	299.0	19:38	148.6	20:17	21:10	22:24	23:56	08:36	0:43	16:29	147.2	03:00	141.1
10 Sat	01:29	02:42	03:36	04:14	60.8	11:56	50.1	+3.6	15:26	1:17	299.5	19:40	159.5	20:18	21:13	22:28	23:56	08:33	0:43	17:40	158.6	03:10	152.0
11 Sun	01:24	02:40	03:34	04:13	60.4	11:56	51.0	+3.6	15:29	1:17	299.9	19:41	170.3	20:20	21:15	22:32	23:56	08:30	0:42	18:53	170.0	03:21	162.9
12 Mon	01:20	02:37	03:32	04:11	59.9	11:56	52.0	+3.6	15:32	1:18	300.4	19:43	181.3	20:22	21:17	22:37	23:56	08:27	0:42	20:07	181.5	03:36	173.9
13 Tue	01:16	02:35	03:30	04:09	59.5	11:56	53.0	+3.6	15:35	1:18	300.8	19:44	192.3	20:24	21:20	22:41	23:56	08:23	0:42	21:20	193.0	03:56	185.0
14 Wed	01:11	02:33	03:28	04:08	59.1	11:56	53.9	+3.6	15:38	1:18	301.2	19:46	203.4	20:26	21:22	22:46	23:56	08:20	0:42	22:28	204.7	04:23	196.3
15 Thu	01:06	02:30	03:27	04:06	58.6	11:56	54.9	+3.6	15:41	1:18	301.6	19:47	214.7	20:27	21:24	22:51	23:56	08:17	0:41	23:25	216.4	05:02	207.8
16 Fri	01:01	02:28	03:25	04:05	58.2	11:56	55.9	+3.6	15:44	1:19	302.0	19:49	226.1	20:29	21:27	22:57	23:56	08:15	0:41	never		05:55	219.5
17 Sat	00:56	02:26	03:23	04:03	57.8	11:56	56.8	+3.6	15:47	1:19	302.4	19:50	237.7	20:31	21:29	23:03	23:56	08:12	0:41	00:10	228.2	07:01	231.5
18 Sun	00:50	02:24	03:22	04:02	57.4	11:56	57.8	+3.5	15:50	1:19	302.8	19:52	249.6	20:32	21:31	23:09	23:56	08:09	0:41	00:42	240.1	08:18	243.8
19 Mon	00:43	02:21	03:20	04:01	57.0	11:57	58.8	+3.5	15:53	1:19	303.2	19:53	261.7	20:34	21:33	23:16	23:57	08:06	0:41	01:05	252.2	09:39	256.5
20 Tue	00:36	02:19	03:19	03:59	56.7	11:57	59.7	+3.4	15:55	1:20	303.6	19:55	274.1	20:36	21:36	23:25	23:57	08:03	0:40	01:22	264.5	11:02	269.5
21 Wed	00:28	02:17	03:17	03:58	56.3	11:57	60.7	+3.4	15:58	1:20	304.0	19:56	287.0	20:37	21:38	23:37	23:57	08:01	0:40	01:37	277.2	12:25	282.9
22 Thu	00:16	02:15	03:16	03:57	55.9	11:57	61.6	+3.3	16:01	1:20	304.3	19:57	300.1	20:39	21:40	never	23:57	07:58	0:40	01:49	290.1	13:49	296.7
23 Fri	never	02:13	03:14	03:56	55.6	11:57	62.6	+3.2	16:03	1:20	304.7	19:59	313.7	20:41	21:42	never	23:57	07:56	0:40	02:01	303.5	15:16	311.0
24 Sat	never	02:11	03:13	03:54	55.2	11:57	63.6	+3.1	16:06	1:20	305.0	20:00	327.6	20:42	21:45	never	23:57	07:53	0:39	02:15	317.3	16:47	325.7
25 Sun	never	02:09	03:11	03:53	54.9	11:57	64.5	+3.0	16:08	1:21	305.3	20:01	341.7	20:44	21:47	never	23:57	07:51	0:39	02:31	331.4	18:21	340.7
26 Mon	never	02:07	03:10	03:52	54.6	11:57	65.5	+2.9	16:10	1:21	305.6	20:03	355.9	20:45	21:49	never	23:57	07:48	0:39	02:53	345.7	19:57	355.8
27 Tue	never	02:05	03:09	03:51	54.3	11:57	66.5	+2.8	16:13	1:21	305.9	20:04	10.0	20:47	21:51	never	23:57	07:46	0:39	03:25	0.2	21:25	10.8
28 Wed	never	02:03	03:08	03:50	54.0	11:57	67.4	+2.7	16:15	1:21	306.2	20:05	23.8	20:48	21:53	never	23:57	07:44	0:39	04:12	14.7	22:36	25.2
29 Thu	never	02:01	03:06	03:49	53.7	11:57	68.4	+2.5	16:17	1:21	306.5	20:06	37.3	20:50	21:55	never	23:58	07:42	0:38	05:17	29.0	23:25	39.1
30 Fri	never	02:00	03:05	03:48	53.4	11:58	69.3	+2.4	16:19	1:22	306.8	20:08	50.3	20:51	21:57	never	23:58	07:40	0:38	06:37	43.0	23:58	52.3
31 Sat	never	01:58	03:04	03:47	53.1	11:58	70.3	+2.2	16:21	1:22	307.0	20:09	62.8	20:52	21:59	never	23:58	07:38	0:38	08:02	56.5	never

° Solar Longitude [Sun Long] and Equation of Time [EoT, in minutes] are as of Mid Day = Local Apparent Noon.
° Sunrise/Sunset Azimuth [Rise/Set Az] measured clockwise from true north with center of Sun at horizon (east = 90°, west = 270°). Moon Phase at Sunset.

Note Twilight Solar Depressions: Civil = 6° (see brightest stars, aviation end or start of night, then artificial lights for outdoor activities),
Nautical [Sea] = 12° (horizon no longer visible at sea), Astronomical [Astro] = 18° (minimal atmospheric scatter of sunlight).

Generated by Kalendis 11.167(1697)-Tu <http://individual.utoronto.ca/kalendis/>