What time is sunrise and sunset in Contra Costa County?
Today and tomorrow's sunrise and sunset times in Contra Costa County, California. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise in Contra Costa County will be at 6:37:16 AM PDT (in 6 hours).
Sunset in Contra Costa County will be at 7:35:33 PM PDT (in 19 hours).
Night now · First light at 5:05 AM
- Daylight
- 12h 58m
- Darkness
- 8h 04m
- Solar noon
- 1:06 PM
- Sun altitude
- 43.6° below
- Sun direction
- 345° NNW
Tomorrow
Sunrise in Contra Costa County will be at 6:38:07 AM PDT (in 30 hours).
Sunset in Contra Costa County will be at 7:34:01 PM PDT (in 43 hours).
Moon tonight
Phase, moonrise and moonset in Contra Costa County
- 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 | 6:07 am | 6:34 am | 1:07 pm | 7:40 pm | 8:06 pm | 13:05:21 | |
| 2 Wed | 6:08 am | 6:35 am | 1:07 pm | 7:38 pm | 8:05 pm | 13:03:00 | |
| 3 Thu | 6:09 am | 6:36 am | 1:07 pm | 7:37 pm | 8:03 pm | 13:00:38 | |
| 4 Fri | 6:10 am | 6:37 am | 1:06 pm | 7:35 pm | 8:02 pm | 12:58:16 | |
Friday, September 4 12:58:16 of daylight·−2m 22s vs. yesterday·twilight 6:10 am – 8:02 pm Time 12:23 AM Altitude -43.6° Heading 345° NNW Light Night 12:23 AM, Night, altitude -43.6 degrees | |||||||
| 5 Sat | 6:11 am | 6:38 am | 1:06 pm | 7:34 pm | 8:00 pm | 12:55:53 | |
| 6 Sun | 6:12 am | 6:38 am | 1:06 pm | 7:32 pm | 7:59 pm | 12:53:31 | |
| 7 Mon | 6:13 am | 6:39 am | 1:05 pm | 7:30 pm | 7:57 pm | 12:51:07 | |
| 8 Tue | 6:14 am | 6:40 am | 1:05 pm | 7:29 pm | 7:56 pm | 12:48:44 | |
| 9 Wed | 6:14 am | 6:41 am | 1:05 pm | 7:27 pm | 7:54 pm | 12:46:20 | |
| 10 Thu | 6:15 am | 6:42 am | 1:04 pm | 7:26 pm | 7:52 pm | 12:43:56 | |
| 11 Fri | 6:16 am | 6:43 am | 1:04 pm | 7:24 pm | 7:51 pm | 12:41:32 | |
| 12 Sat | 6:17 am | 6:44 am | 1:03 pm | 7:23 pm | 7:49 pm | 12:39:08 | |
| 13 Sun | 6:18 am | 6:44 am | 1:03 pm | 7:21 pm | 7:48 pm | 12:36:43 | |
| 14 Mon | 6:19 am | 6:45 am | 1:03 pm | 7:20 pm | 7:46 pm | 12:34:18 | |
| 15 Tue | 6:20 am | 6:46 am | 1:02 pm | 7:18 pm | 7:44 pm | 12:31:53 | |
| 16 Wed | 6:21 am | 6:47 am | 1:02 pm | 7:16 pm | 7:43 pm | 12:29:28 | |
| 17 Thu | 6:21 am | 6:48 am | 1:02 pm | 7:15 pm | 7:41 pm | 12:27:03 | |
| 18 Fri | 6:22 am | 6:49 am | 1:01 pm | 7:13 pm | 7:40 pm | 12:24:38 | |
| 19 Sat | 6:23 am | 6:50 am | 1:01 pm | 7:12 pm | 7:38 pm | 12:22:13 | |
| 20 Sun | 6:24 am | 6:50 am | 1:01 pm | 7:10 pm | 7:36 pm | 12:19:47 | |
| 21 Mon | 6:25 am | 6:51 am | 1:00 pm | 7:09 pm | 7:35 pm | 12:17:22 | |
| 22 Tue | 6:26 am | 6:52 am | 1:00 pm | 7:07 pm | 7:33 pm | 12:14:56 | |
| 23 Wed | 6:27 am | 6:53 am | 1:00 pm | 7:06 pm | 7:32 pm | 12:12:31 | |
| 24 Thu | 6:28 am | 6:54 am | 12:59 pm | 7:04 pm | 7:30 pm | 12:10:05 | |
| 25 Fri | 6:28 am | 6:55 am | 12:59 pm | 7:02 pm | 7:29 pm | 12:07:40 | |
| 26 Sat | 6:29 am | 6:56 am | 12:59 pm | 7:01 pm | 7:27 pm | 12:05:14 | |
| 27 Sun | 6:30 am | 6:56 am | 12:58 pm | 6:59 pm | 7:25 pm | 12:02:49 | |
| 28 Mon | 6:31 am | 6:57 am | 12:58 pm | 6:58 pm | 7:24 pm | 12:00:24 | |
| 29 Tue | 6:32 am | 6:58 am | 12:58 pm | 6:56 pm | 7:22 pm | 11:57:59 | |
| 30 Wed | 6:33 am | 6:59 am | 12:57 pm | 6:55 pm | 7:21 pm | 11:55:34 | |
Photos
Sunrise and sunset photos of Contra Costa County from Flickr.












FAQ
Frequently asked questions about sunrise and sunset in Contra Costa County, United States
- What time does the sun rise in Contra Costa County today?
- Sunrise in Contra Costa County today (Friday, September 4, 2026) is at 6:37 AM. The sun comes up in the E.
- What time does the sun set in Contra Costa County today?
- Sunset today is at 7:35 PM, after 12h 58m of daylight.
- When is the longest day in Contra Costa County, United States?
- The longest day of 2026 in Contra Costa County is Sunday, June 21, 2026, the summer solstice, with 14h 47m of daylight. In 2027 the summer solstice falls on June 21, 2027.
- When is the shortest day in Contra Costa County, United States?
- The shortest day of 2026 in Contra Costa County, California is Monday, December 21, 2026, the winter solstice, with 9h 31m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Contra Costa County get in summer than in winter?
- Contra Costa County gets 5h 15m more daylight on its longest day than on its shortest (14h 47m against 9h 31m). Averaged across the year, a day here has 12h 11m of daylight.
- When is the earliest sunrise in Contra Costa County?
- The earliest sunrise of 2026 in Contra Costa County is on Saturday, June 13, 2026, when the sun comes up at 5:46 AM.
- When is the latest sunset in Contra Costa County?
- The latest sunset is on Saturday, June 27, 2026 at 8:35 PM.
- When is the earliest sunset in Contra Costa County?
- The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:49 PM.
- When is the latest sunrise in Contra Costa County?
- The latest sunrise is on Saturday, October 31, 2026 at 7:33 AM.
- Does Contra Costa County observe daylight saving time?
- Yes. Contra Costa County 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=37.92342&lng=-121.95121