December 2026 Sunrise & Sunset Times in Simi Valley, United States 🇺🇸

Sun: Daylight

Sunrise Today: 06:34 ↑ 83.2° E

Sunset Today: 19:09 ↑ 276.6° W

Day Length: 12h 35m

Sun Direction: ESE

Sun Altitude: 39.2°

Sun Distance: 150.677 million km

Next Equinox: Tuesday, 22 September 2026 (September Equinox)

December 2026 Sunrise & Sunset Times in Simi Valley

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Day	Sunrise/Sunset		Daylight		Astronomical Twilight		Nautical Twilight		Civil Twilight		Solar Noon
Day	Sunrise	Sunset	Length	Diff.	Start	End	Start	End	Start	End	Time	Sun Dist. (Mil km)
1	06:43 ↑ 116° SE	16:44 ↑ 244° W	10h 01m	-0m 59s	05:14	18:14	05:44	17:43	06:15	17:12	11:43	147.52
2	06:44 ↑ 116° SE	16:44 ↑ 244° W	10h 00m	-0m 57s	05:15	18:14	05:45	17:43	06:16	17:12	11:44	147.50
3	06:45 ↑ 116° SE	16:44 ↑ 243° W	9h 59m	-0m 54s	05:15	18:14	05:46	17:43	06:17	17:12	11:44	147.48
4	06:45 ↑ 117° SE	16:44 ↑ 243° W	9h 58m	-0m 52s	05:16	18:14	05:46	17:43	06:17	17:12	11:45	147.46
5	06:46 ↑ 117° SE	16:44 ↑ 243° W	9h 58m	-0m 49s	05:17	18:14	05:47	17:43	06:18	17:12	11:45	147.43
6	06:47 ↑ 117° SE	16:44 ↑ 243° W	9h 57m	-0m 46s	05:18	18:14	05:48	17:44	06:19	17:12	11:45	147.41
7	06:48 ↑ 117° SE	16:44 ↑ 243° W	9h 56m	-0m 43s	05:18	18:14	05:49	17:44	06:20	17:13	11:46	147.39
8	06:49 ↑ 117° SE	16:44 ↑ 243° W	9h 55m	-0m 41s	05:19	18:14	05:49	17:44	06:20	17:13	11:46	147.37
9	06:49 ↑ 117° SE	16:45 ↑ 242° W	9h 55m	-0m 38s	05:20	18:14	05:50	17:44	06:21	17:13	11:47	147.35
10	06:50 ↑ 118° SE	16:45 ↑ 242° W	9h 54m	-0m 35s	05:20	18:15	05:51	17:44	06:22	17:13	11:47	147.34
11	06:51 ↑ 118° SE	16:45 ↑ 242° W	9h 54m	-0m 32s	05:21	18:15	05:51	17:44	06:23	17:13	11:48	147.32
12	06:52 ↑ 118° SE	16:45 ↑ 242° W	9h 53m	-0m 29s	05:22	18:15	05:52	17:45	06:23	17:14	11:48	147.30
13	06:52 ↑ 118° SE	16:45 ↑ 242° W	9h 53m	-0m 26s	05:22	18:16	05:53	17:45	06:24	17:14	11:49	147.28
14	06:53 ↑ 118° SE	16:46 ↑ 242° W	9h 52m	-0m 23s	05:23	18:16	05:53	17:45	06:25	17:14	11:49	147.27
15	06:54 ↑ 118° SE	16:46 ↑ 242° W	9h 52m	-0m 20s	05:24	18:16	05:54	17:46	06:25	17:14	11:50	147.25
16	06:54 ↑ 118° SE	16:46 ↑ 242° W	9h 52m	-0m 17s	05:24	18:17	05:55	17:46	06:26	17:15	11:50	147.24
17	06:55 ↑ 118° SE	16:47 ↑ 242° W	9h 51m	-0m 14s	05:25	18:17	05:55	17:46	06:27	17:15	11:50	147.22
18	06:56 ↑ 118° SE	16:47 ↑ 242° W	9h 51m	-0m 11s	05:25	18:17	05:56	17:47	06:27	17:16	11:51	147.21
19	06:56 ↑ 118° SE	16:48 ↑ 242° W	9h 51m	-0m 07s	05:26	18:18	05:56	17:47	06:28	17:16	11:51	147.19
20	06:57 ↑ 118° SE	16:48 ↑ 242° W	9h 51m	-0m 04s	05:26	18:18	05:57	17:48	06:28	17:17	11:52	147.18
21	06:57 ↑ 118° SE	16:49 ↑ 242° W	9h 51m	-0m 01s	05:27	18:19	05:57	17:48	06:29	17:17	11:52	147.17
22	06:58 ↑ 118° SE	16:49 ↑ 242° W	9h 51m	+0m 01s	05:27	18:19	05:58	17:49	06:29	17:18	11:53	147.16
23	06:58 ↑ 118° SE	16:50 ↑ 242° W	9h 51m	+0m 04s	05:28	18:20	05:58	17:49	06:30	17:18	11:53	147.15
24	06:59 ↑ 118° SE	16:50 ↑ 242° W	9h 51m	+0m 07s	05:28	18:20	05:59	17:50	06:30	17:19	11:54	147.14
25	06:59 ↑ 118° SE	16:51 ↑ 242° W	9h 51m	+0m 10s	05:29	18:21	05:59	17:50	06:31	17:19	11:54	147.13
26	06:59 ↑ 118° SE	16:51 ↑ 242° W	9h 52m	+0m 13s	05:29	18:22	06:00	17:51	06:31	17:20	11:55	147.13
27	07:00 ↑ 118° SE	16:52 ↑ 242° W	9h 52m	+0m 17s	05:30	18:22	06:00	17:52	06:31	17:20	11:55	147.12
28	07:00 ↑ 118° SE	16:53 ↑ 242° W	9h 52m	+0m 20s	05:30	18:23	06:00	17:52	06:32	17:21	11:56	147.12
29	07:00 ↑ 118° SE	16:53 ↑ 242° W	9h 53m	+0m 23s	05:30	18:23	06:01	17:53	06:32	17:22	11:56	147.11
30	07:01 ↑ 118° SE	16:54 ↑ 242° W	9h 53m	+0m 26s	05:31	18:24	06:01	17:54	06:32	17:22	11:57	147.11
31	07:01 ↑ 118° SE	16:55 ↑ 242° W	9h 54m	+0m 29s	05:31	18:25	06:01	17:54	06:32	17:23	11:57	147.11
All times are in local time for Simi Valley. Time is adjusted for Daylight Saving Time (DST) when applicable. Today's date is highlighted in the table.

In Simi Valley, the earliest sunrise of December is on December 01 or the latest sunset of December is on December 31.

Sunrise/Sunset Calendar for other months in Simi Valley (2026):

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2026 Sun Graph for Simi Valley

Daily Sun Phases for Simi Valley

Sun's Path on Selected Date in Simi Valley

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Wednesday, 9 September 2026

Sunrise & Sunset FAQ — Simi Valley

Answers refreshed daily based on today's actual astronomy in Simi Valley.

What time does the sun rise today in Simi Valley?

In Simi Valley, United States, sunrise today is at local time. This is the moment when the upper edge of the sun first appears above the horizon and direct sunlight begins to illuminate the city.

What time does the sun set today in Simi Valley?

Sunset today in Simi Valley is at local time. This is the moment when the upper edge of the sun disappears below the horizon, after which the sky enters civil twilight before darkening fully.

How long is the day today in Simi Valley?

Day length today in Simi Valley is N/A — the elapsed time between sunrise at and sunset at . Day length changes by a few minutes each day, gradually growing from the winter solstice and shrinking from the summer solstice.

What time is solar noon in Simi Valley?

Solar noon in Simi Valley is at . This is the moment the sun crosses the local meridian and is highest in the sky — usually different from civil noon (12:00) because of daylight-saving time and because civil time zones cover wide longitude bands.

What is the golden hour in Simi Valley?

Golden hour is the period shortly after sunrise (around ) and shortly before sunset (around ) when the sun is low on the horizon and the light is warm and diffuse. In Simi Valley this gives photographers approximately 40-60 minutes of soft, directional light at each end of the day.

What is twilight and when does it occur in Simi Valley?

Civil twilight runs from sunset at until the sun reaches 6° below the horizon. After that comes nautical twilight (sun 6° to 12° below) and astronomical twilight (12° to 18° below). At extreme latitudes around the summer solstice, the sun may never dip 18° below the horizon, giving rise to so-called 'white nights'.