October 2007 Twilight and Astronomy Information

Yellow-highlighted dates are those of the ISK 2007 Conference

Santorini Island, Greece: 36.4°N, 25.4°E, Sea Level, Time Zone +2h (Daylight Saving Time)

Date in Oct	Twilight (see note)			Sun Rise	Rise Az ° S-E+N	Mid Day	° Sun Long	EoT	Day Span	Day Span / 12	Set Az ° S-W+N	Sun Set	° Moon Phase	Twilight (see note)			Mid- Night	Night Span	Night Span / 12
	Astro	Sea	Civil											Civil	Sea	Astro
1 Mo	05:47	06:18	06:47	07:13	-3.75	13:08	187.9	+10.2	11:50	59.1	-3.99	19:03	-112.7	19:28	19:58	20:28	01:08	12:11	60.9
2 Tu	05:48	06:18	06:48	07:14	-4.24	13:08	188.8	+10.5	11:47	58.9	-4.47	19:01	-99.6	19:27	19:57	20:27	01:08	12:13	61.1
3 We	05:49	06:19	06:49	07:15	-4.72	13:08	189.8	+10.8	11:45	58.8	-4.95	19:00	-86.9	19:25	19:55	20:25	01:07	12:16	61.3
4 Th	05:50	06:20	06:50	07:16	-5.20	13:07	190.8	+11.1	11:43	58.6	-5.43	18:58	-74.6	19:24	19:54	20:24	01:07	12:18	61.5
5 Fr	05:51	06:21	06:51	07:16	-5.68	13:07	191.8	+11.4	11:41	58.4	-5.91	18:57	-62.6	19:23	19:52	20:22	01:07	12:20	61.7
6 Sa	05:52	06:22	06:52	07:17	-6.16	13:07	192.8	+11.7	11:38	58.2	-6.39	18:55	-50.9	19:21	19:51	20:21	01:07	12:23	61.9
7 Su	05:53	06:23	06:52	07:18	-6.64	13:06	193.8	+12.0	11:36	58.0	-6.87	18:54	-39.4	19:20	19:50	20:19	01:06	12:25	62.1
8 Mo	05:53	06:23	06:53	07:19	-7.11	13:06	194.7	+12.3	11:34	57.8	-7.34	18:53	-28.2	19:18	19:48	20:18	01:06	12:27	62.3
9 Tu	05:54	06:24	06:54	07:20	-7.59	13:06	195.7	+12.6	11:31	57.6	-7.82	18:51	-17.0	19:17	19:47	20:17	01:06	12:29	62.5
10 We	05:55	06:25	06:55	07:21	-8.06	13:06	196.7	+12.9	11:29	57.4	-8.29	18:50	-6.0	19:16	19:45	20:15	01:05	12:32	62.6
11 Th	05:56	06:26	06:56	07:22	-8.54	13:05	197.7	+13.2	11:27	57.2	-8.76	18:48	+4.9	19:14	19:44	20:14	01:05	12:34	62.8
12 Fr	05:57	06:27	06:57	07:22	-9.01	13:05	198.7	+13.4	11:25	57.1	-9.23	18:47	+15.8	19:13	19:43	20:12	01:05	12:36	63.0
13 Sa	05:58	06:28	06:57	07:23	-9.48	13:05	199.7	+13.7	11:22	56.9	-9.70	18:46	+26.6	19:11	19:41	20:11	01:05	12:38	63.2
14 Su	05:59	06:28	06:58	07:24	-9.94	13:04	200.7	+13.9	11:20	56.7	-10.16	18:44	+37.5	19:10	19:40	20:10	01:04	12:41	63.4
15 Mo	05:59	06:29	06:59	07:25	-10.41	13:04	201.7	+14.1	11:18	56.5	-10.62	18:43	+48.4	19:09	19:39	20:09	01:04	12:43	63.6
16 Tu	06:00	06:30	07:00	07:26	-10.87	13:04	202.7	+14.4	11:16	56.3	-11.09	18:42	+59.4	19:08	19:37	20:07	01:04	12:45	63.8
17 We	06:01	06:31	07:01	07:27	-11.33	13:04	203.7	+14.6	11:14	56.1	-11.54	18:40	+70.5	19:06	19:36	20:06	01:04	12:47	64.0
18 Th	06:02	06:32	07:02	07:28	-11.79	13:04	204.6	+14.8	11:11	55.9	-12.00	18:39	+81.8	19:05	19:35	20:05	01:04	12:50	64.1
19 Fr	06:03	06:33	07:03	07:29	-12.24	13:03	205.6	+15.0	11:09	55.8	-12.45	18:38	+93.5	19:04	19:34	20:03	01:03	12:52	64.3
20 Sa	06:04	06:33	07:03	07:30	-12.70	13:03	206.6	+15.2	11:07	55.6	-12.90	18:36	+105.5	19:02	19:32	20:02	01:03	12:54	64.5
21 Su	06:04	06:34	07:04	07:30	-13.15	13:03	207.6	+15.3	11:05	55.4	-13.35	18:35	+117.9	19:01	19:31	20:01	01:03	12:56	64.7
22 Mo	06:05	06:35	07:05	07:31	-13.59	13:03	208.6	+15.5	11:03	55.2	-13.80	18:34	+130.8	19:00	19:30	20:00	01:03	12:58	64.9
23 Tu	06:06	06:36	07:06	07:32	-14.04	13:03	209.6	+15.6	11:00	55.0	-14.24	18:33	+144.1	18:59	19:29	19:59	01:03	13:01	65.0
24 We	06:07	06:37	07:07	07:33	-14.48	13:03	210.6	+15.8	10:58	54.9	-14.68	18:31	+157.9	18:58	19:28	19:58	01:03	13:03	65.2
25 Th	06:08	06:38	07:08	07:34	-14.91	13:02	211.6	+15.9	10:56	54.7	-15.11	18:30	+172.0	18:57	19:27	19:57	01:02	13:05	65.4
26 Fr	06:09	06:39	07:09	07:35	-15.35	13:02	212.6	+16.0	10:54	54.5	-15.54	18:29	-173.7	18:55	19:26	19:55	01:02	13:07	65.6
27 Sa	06:10	06:40	07:10	07:36	-15.78	13:02	213.6	+16.1	10:52	54.3	-15.97	18:28	-159.4	18:54	19:25	19:54	01:02	13:09	65.8
28 Su	06:10	06:40	07:11	07:37	-16.20	13:02	214.6	+16.2	10:50	54.1	-16.39	18:27	-145.2	18:53	19:23	19:53	01:02	13:11	65.9
29 Mo	06:11	06:41	07:12	07:38	-16.62	13:02	215.6	+16.3	10:48	54.0	-16.81	18:26	-131.5	18:52	19:22	19:52	01:02	13:13	66.1
30 Tu	06:12	06:42	07:13	07:39	-17.04	13:02	216.6	+16.4	10:46	53.8	-17.23	18:25	-118.2	18:51	19:21	19:51	01:02	13:15	66.3
31 We	06:13	06:43	07:13	07:40	-17.46	13:02	217.6	+16.4	10:44	53.6	-17.64	18:24	-105.3	18:50	19:20	19:50	01:02	13:17	66.5

° Solar Longitude [Sun Long] and Equation of Time [EoT, in minutes] are as of Mid Day = Local Mean Solar Noon.
° Sunrise/Sunset Azimuth [Rise/Set Az] relative to true east/west, Sun center at horizon. Moon Phase is as of local sunset.

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

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