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What time is sunrise and sunset in San Mateo County?

Today and tomorrow's sunrise and sunset times in San Mateo County, California. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Sunrise
6:38 AM
79° EDawn 6:11 AM

Sunrise in San Mateo County was at 6:38:16 AM PDT (17 hours ago).

Sunset
7:38 PM
280° WDusk 8:05 PM

Sunset in San Mateo County was at 7:38:28 PM PDT (4 hours ago).

Now
12a6a12p6p12a

Night now

Daylight
13h 00m
Darkness
8h 03m
Solar noon
1:08 PM
Sun altitude
39.3° below
Sun direction
327° NNW

Tomorrow

Sunrise
6:39 AM
80° EDawn 6:12 AM

Sunrise in San Mateo County will be at 6:39:06 AM PDT (in 7 hours).

Sunset
7:36 PM
280° WDusk 8:03 PM

Sunset in San Mateo County will be at 7:36:58 PM PDT (in 20 hours).

Moon tonight

Phase, moonrise and moonset in San Mateo County

Last Quarter
56% illuminated
Moonrise
11:18 PM
Moonset
1:55 PM

Calendar

America/Los_Angeles · click a day to expand

DateSunriseSunsetLength
1 Tue6:36 am7:41 pm13:04:50
2 Wed6:37 am7:39 pm13:02:31
3 Thu6:38 am7:38 pm13:00:12
Thursday, September 3
13:00:12 of daylight·−2m 19s vs. yesterday·twilight 6:11 am8:05 pm
12a3a6a9a12p3p6p9p12a6:38 am1:08 pm7:38 pmhorizon
Time
11:27 PM
Altitude
-39.3°
Heading
327° NNW
Light
Night

11:27 PM, Night, altitude -39.3 degrees

4 Fri6:39 am7:36 pm12:57:52
5 Sat6:39 am7:35 pm12:55:32
6 Sun6:40 am7:33 pm12:53:12
7 Mon6:41 am7:32 pm12:50:51
8 Tue6:42 am7:30 pm12:48:30
9 Wed6:43 am7:29 pm12:46:09
10 Thu6:44 am7:27 pm12:43:47
11 Fri6:44 am7:26 pm12:41:26
12 Sat6:45 am7:24 pm12:39:04
13 Sun6:46 am7:23 pm12:36:42
14 Mon6:47 am7:21 pm12:34:19
15 Tue6:48 am7:20 pm12:31:57
16 Wed6:49 am7:18 pm12:29:35
17 Thu6:49 am7:17 pm12:27:12
18 Fri6:50 am7:15 pm12:24:49
19 Sat6:51 am7:14 pm12:22:26
20 Sun6:52 am7:12 pm12:20:03
21 Mon6:53 am7:10 pm12:17:40
22 Tue6:54 am7:09 pm12:15:18
23 Wed6:54 am7:07 pm12:12:55
24 Thu6:55 am7:06 pm12:10:32
25 Fri6:56 am7:04 pm12:08:09
26 Sat6:57 am7:03 pm12:05:46
27 Sun6:58 am7:01 pm12:03:23
28 Mon6:59 am7:00 pm12:01:00
29 Tue7:00 am6:58 pm11:58:38
30 Wed7:00 am6:57 pm11:56:15

Photos

Sunrise and sunset photos of San Mateo County from Flickr.

More on Flickr

FAQ

Frequently asked questions about sunrise and sunset in San Mateo County, United States

What time does the sun rise in San Mateo County today?
Sunrise in San Mateo County today (Thursday, September 3, 2026) is at 6:38 AM. The sun comes up in the E.
What time does the sun set in San Mateo County today?
Sunset today is at 7:38 PM, after 13h 00m of daylight.
When is the longest day in San Mateo County, United States?
The longest day of 2026 in San Mateo County is Sunday, June 21, 2026, the summer solstice, with 14h 44m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in San Mateo County, United States?
The shortest day of 2026 in San Mateo County, California is Monday, December 21, 2026, the winter solstice, with 9h 34m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does San Mateo County get in summer than in winter?
San Mateo County gets 5h 10m more daylight on its longest day than on its shortest (14h 44m against 9h 34m). Averaged across the year, a day here has 12h 11m of daylight.
When is the earliest sunrise in San Mateo County?
The earliest sunrise of 2026 in San Mateo County is on Saturday, June 13, 2026, when the sun comes up at 5:49 AM.
When is the latest sunset in San Mateo County?
The latest sunset is on Sunday, June 28, 2026 at 8:35 PM.
When is the earliest sunset in San Mateo County?
The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:52 PM.
When is the latest sunrise in San Mateo County?
The latest sunrise is on Saturday, October 31, 2026 at 7:34 AM.
Does San Mateo County observe daylight saving time?
Yes. San Mateo 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=37.43621&lng=-122.35566