Sunrise and Sunset times in Vacaville, United States 
Today:
 Sunrise: 07:09:17
|
 Sunset: 16:47:18
|
Day Length: 9h 38m 1s
Time zone: America/Los_Angeles, UTC -8 h.
Latitude: 38.359, Longitude: -121.968
Vacaville
California, United States 
100 801 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:06:29 | 11:57:06 | 16:47:43 | 9h 41m 14s |
| 2025-Dec-02, Tuesday | 07:07:26 | 11:57:29 | 16:47:33 | 9h 40m 7s |
| 2025-Dec-03, Wednesday | 07:08:22 | 11:57:53 | 16:47:24 | 9h 39m 2s |
| 2025-Dec-04, Thursday | 07:09:17 | 11:58:17 | 16:47:18 | 9h 38m 1s |
| 2025-Dec-05, Friday | 07:10:10 | 11:58:42 | 16:47:15 | 9h 37m 5s |
| 2025-Dec-06, Saturday | 07:11:03 | 11:59:08 | 16:47:13 | 9h 36m 10s |
| 2025-Dec-07, Sunday | 07:11:54 | 11:59:34 | 16:47:13 | 9h 35m 19s |
| 2025-Dec-08, Monday | 07:12:44 | 12:00:00 | 16:47:16 | 9h 34m 32s |
| 2025-Dec-09, Tuesday | 07:13:33 | 12:00:27 | 16:47:21 | 9h 33m 48s |
| 2025-Dec-10, Wednesday | 07:14:21 | 12:00:54 | 16:47:28 | 9h 33m 7s |
| 2025-Dec-11, Thursday | 07:15:07 | 12:01:22 | 16:47:37 | 9h 32m 30s |
| 2025-Dec-12, Friday | 07:15:52 | 12:01:50 | 16:47:48 | 9h 31m 56s |
| 2025-Dec-13, Saturday | 07:16:36 | 12:02:18 | 16:48:01 | 9h 31m 25s |
| 2025-Dec-14, Sunday | 07:17:18 | 12:02:47 | 16:48:16 | 9h 30m 58s |
| 2025-Dec-15, Monday | 07:17:58 | 12:03:16 | 16:48:34 | 9h 30m 36s |
| 2025-Dec-16, Tuesday | 07:18:37 | 12:03:45 | 16:48:53 | 9h 30m 16s |
| 2025-Dec-17, Wednesday | 07:19:14 | 12:04:15 | 16:49:15 | 9h 30m 1s |
| 2025-Dec-18, Thursday | 07:19:50 | 12:04:44 | 16:49:38 | 9h 29m 48s |
| 2025-Dec-19, Friday | 07:20:24 | 12:05:14 | 16:50:03 | 9h 29m 39s |
| 2025-Dec-20, Saturday | 07:20:56 | 12:05:43 | 16:50:31 | 9h 29m 35s |
| 2025-Dec-21, Sunday | 07:21:26 | 12:06:13 | 16:51:00 | 9h 29m 34s |
| 2025-Dec-22, Monday | 07:21:55 | 12:06:43 | 16:51:31 | 9h 29m 36s |
| 2025-Dec-23, Tuesday | 07:22:21 | 12:07:13 | 16:52:04 | 9h 29m 43s |
| 2025-Dec-24, Wednesday | 07:22:46 | 12:07:43 | 16:52:39 | 9h 29m 53s |
| 2025-Dec-25, Thursday | 07:23:09 | 12:08:12 | 16:53:16 | 9h 30m 7s |
| 2025-Dec-26, Friday | 07:23:30 | 12:08:42 | 16:53:54 | 9h 30m 24s |
| 2025-Dec-27, Saturday | 07:23:49 | 12:09:11 | 16:54:34 | 9h 30m 45s |
| 2025-Dec-28, Sunday | 07:24:06 | 12:09:41 | 16:55:16 | 9h 31m 10s |
| 2025-Dec-29, Monday | 07:24:21 | 12:10:10 | 16:55:59 | 9h 31m 38s |
| 2025-Dec-30, Tuesday | 07:24:34 | 12:10:39 | 16:56:44 | 9h 32m 10s |
| 2025-Dec-31, Wednesday | 07:24:44 | 12:11:07 | 16:57:30 | 9h 32m 46s |
Day length in Vacaville during the year on the chart:
Vacaville 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