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
6:39 AM
80° EDawn 6:13 AM
Sunrise in Castro Valley will be at 6:39:50 AM PDT (in 6 hours).
Sunset
7:34 PM
280° WDusk 8:00 PM
Sunset in Castro Valley will be at 7:34:04 PM PDT (in 19 hours).
Now
6:39a7:34p
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Night now · First light at 5:08 AM
- Daylight
- 12h 54m
- Darkness
- 8h 05m
- Solar noon
- 1:07 PM
- Sun altitude
- 43.7° below
- Sun direction
- 344° NNW
Tomorrow
Sunrise
6:40 AM
81° EDawn 6:14 AM
Sunrise in Castro Valley will be at 6:40:40 AM PDT (in 30 hours).
Sunset
7:32 PM
279° WDusk 7:59 PM
Sunset in Castro Valley will be at 7:32:34 PM PDT (in 43 hours).
Moon tonight
Phase, moonrise and moonset in Castro Valley
Last Quarter
45% illuminated
- Moonrise
- Doesn't rise
- Moonset
- 3:04 PM
Calendar
America/Los_Angeles · click a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Tue | 6:10 am | 6:37 am | 1:08 pm | 7:38 pm | 8:05 pm | 13:01:15 | |
| 2 Wed | 6:11 am | 6:38 am | 1:07 pm | 7:37 pm | 8:03 pm | 12:58:55 | |
| 3 Thu | 6:12 am | 6:39 am | 1:07 pm | 7:35 pm | 8:02 pm | 12:56:35 | |
| 4 Fri | 6:13 am | 6:39 am | 1:07 pm | 7:34 pm | 8:00 pm | 12:54:14 | |
Friday, September 4 12:54:14 of daylight·−2m 21s vs. yesterday·twilight 6:13 am – 8:00 pm Time 12:22 AM Altitude -43.7° Heading 344° NNW Light Night 12:22 AM, Night, altitude -43.7 degrees | |||||||
| 5 Sat | 6:14 am | 6:40 am | 1:06 pm | 7:32 pm | 7:59 pm | 12:51:53 | |
| 6 Sun | 6:14 am | 6:41 am | 1:06 pm | 7:31 pm | 7:57 pm | 12:49:32 | |
| 7 Mon | 6:15 am | 6:42 am | 1:06 pm | 7:29 pm | 7:56 pm | 12:47:10 | |
| 8 Tue | 6:16 am | 6:43 am | 1:05 pm | 7:28 pm | 7:54 pm | 12:44:48 | |
| 9 Wed | 6:17 am | 6:44 am | 1:05 pm | 7:26 pm | 7:52 pm | 12:42:26 | |
| 10 Thu | 6:18 am | 6:44 am | 1:05 pm | 7:24 pm | 7:51 pm | 12:40:03 | |
| 11 Fri | 6:19 am | 6:45 am | 1:04 pm | 7:23 pm | 7:49 pm | 12:37:40 | |
| 12 Sat | 6:20 am | 6:46 am | 1:04 pm | 7:21 pm | 7:48 pm | 12:35:17 | |
| 13 Sun | 6:21 am | 6:47 am | 1:04 pm | 7:20 pm | 7:46 pm | 12:32:54 | |
| 14 Mon | 6:21 am | 6:48 am | 1:03 pm | 7:18 pm | 7:45 pm | 12:30:31 | |
| 15 Tue | 6:22 am | 6:49 am | 1:03 pm | 7:17 pm | 7:43 pm | 12:28:07 | |
| 16 Wed | 6:23 am | 6:49 am | 1:03 pm | 7:15 pm | 7:41 pm | 12:25:43 | |
| 17 Thu | 6:24 am | 6:50 am | 1:02 pm | 7:14 pm | 7:40 pm | 12:23:19 | |
| 18 Fri | 6:25 am | 6:51 am | 1:02 pm | 7:12 pm | 7:38 pm | 12:20:55 | |
| 19 Sat | 6:26 am | 6:52 am | 1:02 pm | 7:10 pm | 7:37 pm | 12:18:31 | |
| 20 Sun | 6:27 am | 6:53 am | 1:01 pm | 7:09 pm | 7:35 pm | 12:16:07 | |
| 21 Mon | 6:27 am | 6:54 am | 1:01 pm | 7:07 pm | 7:34 pm | 12:13:43 | |
| 22 Tue | 6:28 am | 6:54 am | 1:00 pm | 7:06 pm | 7:32 pm | 12:11:19 | |
| 23 Wed | 6:29 am | 6:55 am | 1:00 pm | 7:04 pm | 7:30 pm | 12:08:55 | |
| 24 Thu | 6:30 am | 6:56 am | 1:00 pm | 7:03 pm | 7:29 pm | 12:06:30 | |
| 25 Fri | 6:31 am | 6:57 am | 12:59 pm | 7:01 pm | 7:27 pm | 12:04:06 | |
| 26 Sat | 6:32 am | 6:58 am | 12:59 pm | 7:00 pm | 7:26 pm | 12:01:42 | |
| 27 Sun | 6:33 am | 6:59 am | 12:59 pm | 6:58 pm | 7:24 pm | 11:59:18 | |
| 28 Mon | 6:33 am | 7:00 am | 12:58 pm | 6:57 pm | 7:23 pm | 11:56:53 | |
| 29 Tue | 6:34 am | 7:01 am | 12:58 pm | 6:55 pm | 7:21 pm | 11:54:29 | |
| 30 Wed | 6:35 am | 7:01 am | 12:58 pm | 6:53 pm | 7:20 pm | 11:52:05 | |
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 (Friday, September 4, 2026) is at 6:39 AM. The sun comes up in the E.
- What time does the sun set in Castro Valley today?
- Sunset today is at 7:34 PM, after 12h 54m of daylight.
- 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 46m of daylight. In 2027 the summer solstice falls on June 21, 2027.
- 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 33m 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 46m against 9h 33m). 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 5:47 AM.
- When is the latest sunset in Castro Valley?
- The latest sunset is on Sunday, June 28, 2026 at 8:35 PM.
- When is the earliest sunset in Castro Valley?
- The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:50 PM.
- When is the latest sunrise in Castro Valley?
- The latest sunrise is on Saturday, October 31, 2026 at 7:33 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.
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=37.6941&lng=-122.08635