Sunrise and Sunset times in South San Francisco, United States 
Today:
 Sunrise: 07:09:10
|
 Sunset: 16:51:02
|
Day Length: 9h 41m 52s
Time zone: America/Los_Angeles, UTC -8 h.
Latitude: 37.6536, Longitude: -122.42
South San Francisco
California, United States 
67 429 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:06:26 | 11:58:55 | 16:51:23 | 9h 44m 57s |
| 2025-Dec-02, Tuesday | 07:07:22 | 11:59:18 | 16:51:14 | 9h 43m 52s |
| 2025-Dec-03, Wednesday | 07:08:16 | 11:59:42 | 16:51:07 | 9h 42m 51s |
| 2025-Dec-04, Thursday | 07:09:10 | 12:00:06 | 16:51:02 | 9h 41m 52s |
| 2025-Dec-05, Friday | 07:10:03 | 12:00:31 | 16:50:59 | 9h 40m 56s |
| 2025-Dec-06, Saturday | 07:10:55 | 12:00:56 | 16:50:58 | 9h 40m 3s |
| 2025-Dec-07, Sunday | 07:11:46 | 12:01:22 | 16:50:59 | 9h 39m 13s |
| 2025-Dec-08, Monday | 07:12:35 | 12:01:49 | 16:51:02 | 9h 38m 27s |
| 2025-Dec-09, Tuesday | 07:13:24 | 12:02:16 | 16:51:07 | 9h 37m 43s |
| 2025-Dec-10, Wednesday | 07:14:11 | 12:02:43 | 16:51:15 | 9h 37m 4s |
| 2025-Dec-11, Thursday | 07:14:57 | 12:03:11 | 16:51:24 | 9h 36m 27s |
| 2025-Dec-12, Friday | 07:15:41 | 12:03:39 | 16:51:36 | 9h 35m 55s |
| 2025-Dec-13, Saturday | 07:16:24 | 12:04:07 | 16:51:50 | 9h 35m 26s |
| 2025-Dec-14, Sunday | 07:17:06 | 12:04:36 | 16:52:05 | 9h 34m 59s |
| 2025-Dec-15, Monday | 07:17:46 | 12:05:05 | 16:52:23 | 9h 34m 37s |
| 2025-Dec-16, Tuesday | 07:18:25 | 12:05:34 | 16:52:43 | 9h 34m 18s |
| 2025-Dec-17, Wednesday | 07:19:02 | 12:06:03 | 16:53:05 | 9h 34m 3s |
| 2025-Dec-18, Thursday | 07:19:37 | 12:06:33 | 16:53:28 | 9h 33m 51s |
| 2025-Dec-19, Friday | 07:20:11 | 12:07:02 | 16:53:54 | 9h 33m 43s |
| 2025-Dec-20, Saturday | 07:20:43 | 12:07:32 | 16:54:21 | 9h 33m 38s |
| 2025-Dec-21, Sunday | 07:21:13 | 12:08:02 | 16:54:50 | 9h 33m 37s |
| 2025-Dec-22, Monday | 07:21:42 | 12:08:32 | 16:55:22 | 9h 33m 40s |
| 2025-Dec-23, Tuesday | 07:22:08 | 12:09:01 | 16:55:55 | 9h 33m 47s |
| 2025-Dec-24, Wednesday | 07:22:33 | 12:09:31 | 16:56:29 | 9h 33m 56s |
| 2025-Dec-25, Thursday | 07:22:56 | 12:10:01 | 16:57:06 | 9h 34m 10s |
| 2025-Dec-26, Friday | 07:23:17 | 12:10:31 | 16:57:44 | 9h 34m 27s |
| 2025-Dec-27, Saturday | 07:23:37 | 12:11:00 | 16:58:23 | 9h 34m 46s |
| 2025-Dec-28, Sunday | 07:23:54 | 12:11:29 | 16:59:05 | 9h 35m 11s |
| 2025-Dec-29, Monday | 07:24:09 | 12:11:58 | 16:59:48 | 9h 35m 39s |
| 2025-Dec-30, Tuesday | 07:24:23 | 12:12:27 | 17:00:32 | 9h 36m 9s |
| 2025-Dec-31, Wednesday | 07:24:34 | 12:12:56 | 17:01:18 | 9h 36m 44s |
Day length in South San Francisco during the year on the chart:
South San Francisco 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