Sunrise and Sunset times in San Mateo, United States 
Today:
 Sunrise: 06:34:13
|
 Sunset: 18:07:01
|
Day Length: 11h 32m 48s
Time zone: America/Los_Angeles, UTC -8 h.
Latitude: 37.5522, Longitude: -122.312
San Mateo
California, United States 
104 748 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Mar-01, Sunday | 06:39:52 | 12:21:29 | 18:03:06 | 11h 23m 14s |
| 2026-Mar-02, Monday | 06:38:28 | 12:21:17 | 18:04:05 | 11h 25m 37s |
| 2026-Mar-03, Tuesday | 06:37:04 | 12:21:04 | 18:05:04 | 11h 28m 0s |
| 2026-Mar-04, Wednesday | 06:35:39 | 12:20:51 | 18:06:03 | 11h 30m 24s |
| 2026-Mar-05, Thursday | 06:34:13 | 12:20:37 | 18:07:01 | 11h 32m 48s |
| 2026-Mar-06, Friday | 06:32:47 | 12:20:24 | 18:08:00 | 11h 35m 13s |
| 2026-Mar-07, Saturday | 06:31:21 | 12:20:09 | 18:08:58 | 11h 37m 37s |
| 2026-Mar-08, Sunday | 07:29:54 | 13:19:55 | 19:09:55 | 11h 40m 1s |
| 2026-Mar-09, Monday | 07:28:26 | 13:19:39 | 19:10:53 | 11h 42m 27s |
| 2026-Mar-10, Tuesday | 07:26:58 | 13:19:24 | 19:11:50 | 11h 44m 52s |
| 2026-Mar-11, Wednesday | 07:25:30 | 13:19:08 | 19:12:47 | 11h 47m 17s |
| 2026-Mar-12, Thursday | 07:24:01 | 13:18:52 | 19:13:44 | 11h 49m 43s |
| 2026-Mar-13, Friday | 07:22:32 | 13:18:36 | 19:14:40 | 11h 52m 8s |
| 2026-Mar-14, Saturday | 07:21:02 | 13:18:19 | 19:15:37 | 11h 54m 35s |
| 2026-Mar-15, Sunday | 07:19:33 | 13:18:03 | 19:16:33 | 11h 57m 0s |
| 2026-Mar-16, Monday | 07:18:03 | 13:17:46 | 19:17:29 | 11h 59m 26s |
| 2026-Mar-17, Tuesday | 07:16:32 | 13:17:28 | 19:18:24 | 12h 1m 52s |
| 2026-Mar-18, Wednesday | 07:15:02 | 13:17:11 | 19:19:20 | 12h 4m 18s |
| 2026-Mar-19, Thursday | 07:13:32 | 13:16:53 | 19:20:15 | 12h 6m 43s |
| 2026-Mar-20, Friday | 07:12:01 | 13:16:36 | 19:21:10 | 12h 9m 9s |
| 2026-Mar-21, Saturday | 07:10:30 | 13:16:18 | 19:22:05 | 12h 11m 35s |
| 2026-Mar-22, Sunday | 07:09:00 | 13:16:00 | 19:23:00 | 12h 14m 0s |
| 2026-Mar-23, Monday | 07:07:29 | 13:15:42 | 19:23:55 | 12h 16m 26s |
| 2026-Mar-24, Tuesday | 07:05:58 | 13:15:24 | 19:24:50 | 12h 18m 52s |
| 2026-Mar-25, Wednesday | 07:04:27 | 13:15:06 | 19:25:44 | 12h 21m 17s |
| 2026-Mar-26, Thursday | 07:02:56 | 13:14:48 | 19:26:39 | 12h 23m 43s |
| 2026-Mar-27, Friday | 07:01:26 | 13:14:30 | 19:27:33 | 12h 26m 7s |
| 2026-Mar-28, Saturday | 06:59:55 | 13:14:11 | 19:28:28 | 12h 28m 33s |
| 2026-Mar-29, Sunday | 06:58:25 | 13:13:53 | 19:29:22 | 12h 30m 57s |
| 2026-Mar-30, Monday | 06:56:55 | 13:13:35 | 19:30:16 | 12h 33m 21s |
| 2026-Mar-31, Tuesday | 06:55:25 | 13:13:18 | 19:31:11 | 12h 35m 46s |
Day length in San Mateo during the year on the chart:
San Mateo on United States map:
Locations in the same time zone America/Los_Angeles
Los Angeles (California), Seattle (Washington), San Francisco (California), San Diego (California), Riverside (California), Las Vegas (Nevada), Portland (Oregon), Sacramento (California), San Jose (California), Fresno (California), Concord (California), Mission Viejo (California), Bakersfield (California), Murrieta (California), Long Beach (California), Reno (Nevada), Oakland (California), Indio (California), Spokane (Washington), Stockton (California), Oxnard (California), Modesto (California), Anaheim (California), Lancaster (California), Victorville (California), Santa Ana (California), Santa Rosa (California), Santa Clarita (California), Antioch (California), Henderson (Nevada)
Largest populated areas in United States
New York (New York), Los Angeles (California), Chicago (Illinois), Miami (Florida), Dallas (Texas), Philadelphia (Pennsylvania), Houston (Texas), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Phoenix (Arizona), Seattle (Washington), San Francisco (California), Detroit (Michigan), San Diego (California), Minneapolis (Minnesota), Tampa (Florida), Denver (Colorado), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Riverside (California), St. Louis (Missouri), Las Vegas (Nevada), Portland (Oregon), San Antonio (Texas), Sacramento (California), San Jose (California), Orlando (Florida), Cleveland (Ohio)
Countries closest to United States
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks