Sunrise and Sunset times in Fountain Valley, United States 
Today:
 Sunrise: 06:55:31
|
 Sunset: 16:51:41
|
Day Length: 9h 56m 10s
Time zone: America/Los_Angeles, UTC -8 h.
Latitude: 33.7105, Longitude: -117.951
Fountain Valley
California, United States 
56 313 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 06:38:46 | 11:41:02 | 16:43:17 | 10h 4m 31s |
| 2025-Dec-02, Tuesday | 06:39:37 | 11:41:25 | 16:43:13 | 10h 3m 36s |
| 2025-Dec-03, Wednesday | 06:40:28 | 11:41:49 | 16:43:10 | 10h 2m 42s |
| 2025-Dec-04, Thursday | 06:41:17 | 11:42:13 | 16:43:09 | 10h 1m 52s |
| 2025-Dec-05, Friday | 06:42:06 | 11:42:38 | 16:43:10 | 10h 1m 4s |
| 2025-Dec-06, Saturday | 06:42:54 | 11:43:03 | 16:43:13 | 10h 0m 19s |
| 2025-Dec-07, Sunday | 06:43:41 | 11:43:29 | 16:43:18 | 9h 59m 37s |
| 2025-Dec-08, Monday | 06:44:27 | 11:43:56 | 16:43:25 | 9h 58m 58s |
| 2025-Dec-09, Tuesday | 06:45:12 | 11:44:23 | 16:43:33 | 9h 58m 21s |
| 2025-Dec-10, Wednesday | 06:45:56 | 11:44:50 | 16:43:43 | 9h 57m 47s |
| 2025-Dec-11, Thursday | 06:46:40 | 11:45:18 | 16:43:56 | 9h 57m 16s |
| 2025-Dec-12, Friday | 06:47:22 | 11:45:46 | 16:44:10 | 9h 56m 48s |
| 2025-Dec-13, Saturday | 06:48:03 | 11:46:14 | 16:44:25 | 9h 56m 22s |
| 2025-Dec-14, Sunday | 06:48:42 | 11:46:43 | 16:44:43 | 9h 56m 1s |
| 2025-Dec-15, Monday | 06:49:21 | 11:47:12 | 16:45:02 | 9h 55m 41s |
| 2025-Dec-16, Tuesday | 06:49:58 | 11:47:41 | 16:45:23 | 9h 55m 25s |
| 2025-Dec-17, Wednesday | 06:50:34 | 11:48:10 | 16:45:46 | 9h 55m 12s |
| 2025-Dec-18, Thursday | 06:51:08 | 11:48:40 | 16:46:11 | 9h 55m 3s |
| 2025-Dec-19, Friday | 06:51:42 | 11:49:09 | 16:46:37 | 9h 54m 55s |
| 2025-Dec-20, Saturday | 06:52:13 | 11:49:39 | 16:47:05 | 9h 54m 52s |
| 2025-Dec-21, Sunday | 06:52:44 | 11:50:09 | 16:47:34 | 9h 54m 50s |
| 2025-Dec-22, Monday | 06:53:12 | 11:50:39 | 16:48:05 | 9h 54m 53s |
| 2025-Dec-23, Tuesday | 06:53:40 | 11:51:08 | 16:48:37 | 9h 54m 57s |
| 2025-Dec-24, Wednesday | 06:54:05 | 11:51:38 | 16:49:11 | 9h 55m 6s |
| 2025-Dec-25, Thursday | 06:54:29 | 11:52:08 | 16:49:47 | 9h 55m 18s |
| 2025-Dec-26, Friday | 06:54:52 | 11:52:38 | 16:50:24 | 9h 55m 32s |
| 2025-Dec-27, Saturday | 06:55:12 | 11:53:07 | 16:51:02 | 9h 55m 50s |
| 2025-Dec-28, Sunday | 06:55:31 | 11:53:36 | 16:51:41 | 9h 56m 10s |
| 2025-Dec-29, Monday | 06:55:49 | 11:54:05 | 16:52:22 | 9h 56m 33s |
| 2025-Dec-30, Tuesday | 06:56:04 | 11:54:34 | 16:53:04 | 9h 57m 0s |
| 2025-Dec-31, Wednesday | 06:56:18 | 11:55:03 | 16:53:47 | 9h 57m 29s |
Day length in Fountain Valley during the year on the chart:
Fountain Valley 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