Sunrise and Sunset times in Rio Vista, United States

Rio Vista United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:24:55
Sunset
Today sunset
19:46:48
🌤️
Day length
13h 21m 53s
City
Rio Vista
Region / Country
California, United States
Time zone
America/Los_Angeles, UTC -7 h.
Population
8 686 people
Latitude
38.1761
Longitude
-121.703

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 06:51:06 13:10:34 19:30:01 12h 38m 55s
2026-Apr-02, Thursday 06:49:35 13:10:16 19:30:57 12h 41m 22s
2026-Apr-03, Friday 06:48:04 13:09:58 19:31:53 12h 43m 49s
2026-Apr-04, Saturday 06:46:34 13:09:41 19:32:48 12h 46m 14s
2026-Apr-05, Sunday 06:45:04 13:09:24 19:33:44 12h 48m 40s
2026-Apr-06, Monday 06:43:34 13:09:07 19:34:40 12h 51m 6s
2026-Apr-07, Tuesday 06:42:04 13:08:50 19:35:36 12h 53m 32s
2026-Apr-08, Wednesday 06:40:35 13:08:34 19:36:32 12h 55m 57s
2026-Apr-09, Thursday 06:39:07 13:08:17 19:37:27 12h 58m 20s
2026-Apr-10, Friday 06:37:39 13:08:01 19:38:23 13h 0m 44s
2026-Apr-11, Saturday 06:36:12 13:07:45 19:39:19 13h 3m 7s
2026-Apr-12, Sunday 06:34:45 13:07:30 19:40:15 13h 5m 30s
2026-Apr-13, Monday 06:33:18 13:07:15 19:41:11 13h 7m 53s
2026-Apr-14, Tuesday 06:31:53 13:07:00 19:42:07 13h 10m 14s
2026-Apr-15, Wednesday 06:30:28 13:06:45 19:43:03 13h 12m 35s
2026-Apr-16, Thursday 06:29:04 13:06:31 19:43:59 13h 14m 55s
2026-Apr-17, Friday 06:27:40 13:06:18 19:44:55 13h 17m 15s
2026-Apr-18, Saturday 06:26:17 13:06:04 19:45:51 13h 19m 34s
2026-Apr-19, Sunday 06:24:55 13:05:51 19:46:48 13h 21m 53s
2026-Apr-20, Monday 06:23:34 13:05:39 19:47:44 13h 24m 10s
2026-Apr-21, Tuesday 06:22:13 13:05:27 19:48:40 13h 26m 27s
2026-Apr-22, Wednesday 06:20:54 13:05:15 19:49:36 13h 28m 42s
2026-Apr-23, Thursday 06:19:35 13:05:04 19:50:33 13h 30m 58s
2026-Apr-24, Friday 06:18:17 13:04:53 19:51:29 13h 33m 12s
2026-Apr-25, Saturday 06:17:01 13:04:43 19:52:25 13h 35m 24s
2026-Apr-26, Sunday 06:15:45 13:04:33 19:53:22 13h 37m 37s
2026-Apr-27, Monday 06:14:30 13:04:24 19:54:18 13h 39m 48s
2026-Apr-28, Tuesday 06:13:16 13:04:15 19:55:14 13h 41m 58s
2026-Apr-29, Wednesday 06:12:04 13:04:07 19:56:10 13h 44m 6s
2026-Apr-30, Thursday 06:10:52 13:03:59 19:57:06 13h 46m 14s

Day length in Rio Vista during the year on the chart

Rio Vista on United States map

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