What time is sunrise and sunset in Castro Valley?
Today and tomorrow's sunrise and sunset times in Castro Valley, California. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise
6:35 AM
109° ESEDawn 6:08 AM
Sunrise in Castro Valley will be at 6:35:31 AM PST (in 4h 38m).
Sunset
5:07 PM
251° WSWDusk 5:35 PM
Sunset in Castro Valley will be at 5:07:52 PM PST (in 15h 11m).
Now
6:35a5:07p
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Night now · First light at 5:06 AM
| Window | Morning | Evening |
|---|---|---|
| Golden hour | 6:18 – 7:12 AM | 4:30 – 5:24 PM |
| Blue hour | 6:08 – 6:18 AM | 5:24 – 5:35 PM |
- Daylight
- 10h 32m
- −2m 4s vs. yesterday
- Darkness
- 10h 32m
- Solar noon
- 11:51 AM
- Sun altitude
- 54.0° below
- Sun direction
- 60° ENE
Tomorrow
Sunrise
6:36 AM
109° ESEDawn 6:09 AM
Sunrise in Castro Valley will be at 6:36:34 AM PST (in 28h 39m).
Sunset
5:06 PM
251° WSWDusk 5:34 PM
Sunset in Castro Valley will be at 5:06:53 PM PST (in 39h 10m).
Moon tonight
Phase, moonrise and moonset in Castro Valley
Waning Crescent
20% illuminated
- Moonrise
- 1:59 AM
- Moonset
- 2:40 PM
Calendar
Pacific Time · select a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Sun | 6:05 AM | 6:32 AM | 11:51 AM | 5:10 PM | 5:38 PM | 10h 38m 35s | |
| 2 Mon | 6:06 AM | 6:33 AM | 11:51 AM | 5:09 PM | 5:37 PM | 10h 36m 29s | |
| 3 Tue | 6:07 AM | 6:34 AM | 11:51 AM | 5:08 PM | 5:36 PM | 10h 34m 24s | |
| 4 Wed | 6:08 AM | 6:35 AM | 11:51 AM | 5:07 PM | 5:35 PM | 10h 32m 21s | |
Wednesday, November 4 10h 32m 21s of daylight·−2m 3s vs. yesterday·twilight 6:08 AM – 5:35 PM Time 1:57 AM Altitude -54.1° Heading 60° ENE Light Night 1:57 AM, Night, altitude -54.1 degrees | |||||||
| 5 Thu | 6:09 AM | 6:36 AM | 11:51 AM | 5:06 PM | 5:34 PM | 10h 30m 18s | |
| 6 Fri | 6:10 AM | 6:37 AM | 11:51 AM | 5:05 PM | 5:33 PM | 10h 28m 17s | |
| 7 Sat | 6:11 AM | 6:38 AM | 11:52 AM | 5:04 PM | 5:32 PM | 10h 26m 18s | |
| 8 Sun | 6:12 AM | 6:39 AM | 11:52 AM | 5:04 PM | 5:31 PM | 10h 24m 20s | |
| 9 Mon | 6:13 AM | 6:40 AM | 11:52 AM | 5:03 PM | 5:30 PM | 10h 22m 23s | |
| 10 Tue | 6:14 AM | 6:41 AM | 11:52 AM | 5:02 PM | 5:29 PM | 10h 20m 28s | |
| 11 Wed | 6:15 AM | 6:42 AM | 11:52 AM | 5:01 PM | 5:29 PM | 10h 18m 34s | |
| 12 Thu | 6:16 AM | 6:43 AM | 11:52 AM | 5:00 PM | 5:28 PM | 10h 16m 42s | |
| 13 Fri | 6:17 AM | 6:45 AM | 11:52 AM | 4:59 PM | 5:27 PM | 10h 14m 52s | |
| 14 Sat | 6:18 AM | 6:46 AM | 11:52 AM | 4:59 PM | 5:27 PM | 10h 13m 04s | |
| 15 Sun | 6:19 AM | 6:47 AM | 11:53 AM | 4:58 PM | 5:26 PM | 10h 11m 17s | |
| 16 Mon | 6:20 AM | 6:48 AM | 11:53 AM | 4:57 PM | 5:25 PM | 10h 09m 33s | |
| 17 Tue | 6:21 AM | 6:49 AM | 11:53 AM | 4:57 PM | 5:25 PM | 10h 07m 50s | |
| 18 Wed | 6:22 AM | 6:50 AM | 11:53 AM | 4:56 PM | 5:24 PM | 10h 06m 09s | |
| 19 Thu | 6:23 AM | 6:51 AM | 11:53 AM | 4:55 PM | 5:24 PM | 10h 04m 31s | |
| 20 Fri | 6:24 AM | 6:52 AM | 11:54 AM | 4:55 PM | 5:23 PM | 10h 02m 54s | |
| 21 Sat | 6:25 AM | 6:53 AM | 11:54 AM | 4:54 PM | 5:23 PM | 10h 01m 20s | |
| 22 Sun | 6:26 AM | 6:54 AM | 11:54 AM | 4:54 PM | 5:22 PM | 9h 59m 48s | |
| 23 Mon | 6:27 AM | 6:55 AM | 11:54 AM | 4:53 PM | 5:22 PM | 9h 58m 19s | |
| 24 Tue | 6:28 AM | 6:56 AM | 11:55 AM | 4:53 PM | 5:21 PM | 9h 56m 52s | |
| 25 Wed | 6:29 AM | 6:57 AM | 11:55 AM | 4:53 PM | 5:21 PM | 9h 55m 27s | |
| 26 Thu | 6:29 AM | 6:58 AM | 11:55 AM | 4:52 PM | 5:21 PM | 9h 54m 05s | |
| 27 Fri | 6:30 AM | 6:59 AM | 11:56 AM | 4:52 PM | 5:20 PM | 9h 52m 46s | |
| 28 Sat | 6:31 AM | 7:00 AM | 11:56 AM | 4:52 PM | 5:20 PM | 9h 51m 29s | |
| 29 Sun | 6:32 AM | 7:01 AM | 11:56 AM | 4:51 PM | 5:20 PM | 9h 50m 15s | |
| 30 Mon | 6:33 AM | 7:02 AM | 11:57 AM | 4:51 PM | 5:20 PM | 9h 49m 04s | |
Photos
Sunrise and sunset photos of Castro Valley from Flickr.
FAQ
Frequently asked questions about sunrise and sunset in Castro Valley, United States
- What time does the sun rise in Castro Valley today?
- Sunrise in Castro Valley today (Wednesday, November 4, 2026) is at 6:35 AM. The sun comes up in the ESE.
- What time does the sun set in Castro Valley today?
- Sunset today is at 5:07 PM, after 10h 32m of daylight.
- When does it get dark in Castro Valley tonight?
- Civil twilight ends at 5:35 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 6:36 PM, which is when night starts by the standard definition.How long after sunset it gets dark
- When is the longest day in Castro Valley, United States?
- The longest day of 2026 in Castro Valley is Sunday, June 21, 2026, the summer solstice, with 14h 49m of daylight. In 2027 the summer solstice falls on June 21, 2027.More on the summer solstice
- When is the shortest day in Castro Valley, United States?
- The shortest day of 2026 in Castro Valley, California is Monday, December 21, 2026, the winter solstice, with 9h 36m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Castro Valley get in summer than in winter?
- Castro Valley gets 5h 13m more daylight on its longest day than on its shortest (14h 49m against 9h 36m). Averaged across the year, a day here has 12h 11m of daylight.
- When is the earliest sunrise in Castro Valley?
- The earliest sunrise of 2026 in Castro Valley is on Saturday, June 13, 2026, when the sun comes up at 5:44 AM.
- When is the latest sunset in Castro Valley?
- The latest sunset is on Saturday, June 27, 2026 at 8:35 PM.
- When is the earliest sunset in Castro Valley?
- The earliest sunset of the year is on Sunday, December 6, 2026, with the sun down by 4:50 PM.Why it comes before the shortest day
- When is the latest sunrise in Castro Valley?
- The latest sunrise is on Saturday, October 31, 2026 at 7:31 AM.
- Does Castro Valley observe daylight saving time?
- Yes. Castro Valley uses Pacific Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.
Nearby
Other places close to Castro Valley
Cities near Castro Valley
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=37.6941&lng=-122.08635