Sunrise and Sunset times in Grass Valley, United States 
Today:
 Sunrise: 07:23:12
|
 Sunset: 16:49:48
|
Day Length: 9h 26m 36s
Time zone: America/Los_Angeles, UTC -8 h.
Latitude: 39.2237, Longitude: -121.052
Grass Valley
California, United States 
34 650 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:05:10 | 11:53:26 | 16:41:42 | 9h 36m 32s |
| 2025-Dec-02, Tuesday | 07:06:08 | 11:53:49 | 16:41:31 | 9h 35m 23s |
| 2025-Dec-03, Wednesday | 07:07:05 | 11:54:13 | 16:41:22 | 9h 34m 17s |
| 2025-Dec-04, Thursday | 07:08:01 | 11:54:38 | 16:41:15 | 9h 33m 14s |
| 2025-Dec-05, Friday | 07:08:55 | 11:55:02 | 16:41:10 | 9h 32m 15s |
| 2025-Dec-06, Saturday | 07:09:49 | 11:55:28 | 16:41:07 | 9h 31m 18s |
| 2025-Dec-07, Sunday | 07:10:41 | 11:55:54 | 16:41:07 | 9h 30m 26s |
| 2025-Dec-08, Monday | 07:11:32 | 11:56:20 | 16:41:08 | 9h 29m 36s |
| 2025-Dec-09, Tuesday | 07:12:22 | 11:56:47 | 16:41:12 | 9h 28m 50s |
| 2025-Dec-10, Wednesday | 07:13:10 | 11:57:14 | 16:41:18 | 9h 28m 8s |
| 2025-Dec-11, Thursday | 07:13:57 | 11:57:42 | 16:41:27 | 9h 27m 30s |
| 2025-Dec-12, Friday | 07:14:43 | 11:58:10 | 16:41:37 | 9h 26m 54s |
| 2025-Dec-13, Saturday | 07:15:27 | 11:58:38 | 16:41:50 | 9h 26m 23s |
| 2025-Dec-14, Sunday | 07:16:09 | 11:59:07 | 16:42:05 | 9h 25m 56s |
| 2025-Dec-15, Monday | 07:16:50 | 11:59:36 | 16:42:22 | 9h 25m 32s |
| 2025-Dec-16, Tuesday | 07:17:30 | 12:00:05 | 16:42:41 | 9h 25m 11s |
| 2025-Dec-17, Wednesday | 07:18:07 | 12:00:35 | 16:43:02 | 9h 24m 55s |
| 2025-Dec-18, Thursday | 07:18:43 | 12:01:04 | 16:43:25 | 9h 24m 42s |
| 2025-Dec-19, Friday | 07:19:17 | 12:01:34 | 16:43:51 | 9h 24m 34s |
| 2025-Dec-20, Saturday | 07:19:49 | 12:02:04 | 16:44:18 | 9h 24m 29s |
| 2025-Dec-21, Sunday | 07:20:19 | 12:02:33 | 16:44:47 | 9h 24m 28s |
| 2025-Dec-22, Monday | 07:20:48 | 12:03:03 | 16:45:18 | 9h 24m 30s |
| 2025-Dec-23, Tuesday | 07:21:14 | 12:03:33 | 16:45:51 | 9h 24m 37s |
| 2025-Dec-24, Wednesday | 07:21:39 | 12:04:03 | 16:46:26 | 9h 24m 47s |
| 2025-Dec-25, Thursday | 07:22:02 | 12:04:33 | 16:47:03 | 9h 25m 1s |
| 2025-Dec-26, Friday | 07:22:22 | 12:05:02 | 16:47:42 | 9h 25m 20s |
| 2025-Dec-27, Saturday | 07:22:41 | 12:05:32 | 16:48:22 | 9h 25m 41s |
| 2025-Dec-28, Sunday | 07:22:57 | 12:06:01 | 16:49:04 | 9h 26m 7s |
| 2025-Dec-29, Monday | 07:23:12 | 12:06:30 | 16:49:48 | 9h 26m 36s |
| 2025-Dec-30, Tuesday | 07:23:24 | 12:06:59 | 16:50:34 | 9h 27m 10s |
| 2025-Dec-31, Wednesday | 07:23:34 | 12:07:27 | 16:51:21 | 9h 27m 47s |
Day length in Grass Valley during the year on the chart:
Grass 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