Sunrise and Sunset times in Chelsea, United States

Chelsea United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:42:19
Sunset
Today sunset
20:25:45
🌤️
Day length
13h 43m 26s
City
Chelsea
Region / Country
South Dakota, United States
Time zone
America/Chicago, UTC -5 h.
Population
27 people
Latitude
45.1676
Longitude
-98.7434

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 07:14:39 13:38:44 20:02:50 12h 48m 11s
2026-Apr-02, Thursday 07:12:47 13:38:27 20:04:06 12h 51m 19s
2026-Apr-03, Friday 07:10:56 13:38:09 20:05:23 12h 54m 27s
2026-Apr-04, Saturday 07:09:04 13:37:52 20:06:39 12h 57m 35s
2026-Apr-05, Sunday 07:07:13 13:37:35 20:07:56 13h 0m 43s
2026-Apr-06, Monday 07:05:23 13:37:18 20:09:12 13h 3m 49s
2026-Apr-07, Tuesday 07:03:33 13:37:01 20:10:29 13h 6m 56s
2026-Apr-08, Wednesday 07:01:43 13:36:44 20:11:45 13h 10m 2s
2026-Apr-09, Thursday 06:59:54 13:36:28 20:13:01 13h 13m 7s
2026-Apr-10, Friday 06:58:06 13:36:12 20:14:18 13h 16m 12s
2026-Apr-11, Saturday 06:56:18 13:35:56 20:15:34 13h 19m 16s
2026-Apr-12, Sunday 06:54:31 13:35:41 20:16:51 13h 22m 20s
2026-Apr-13, Monday 06:52:44 13:35:25 20:18:07 13h 25m 23s
2026-Apr-14, Tuesday 06:50:58 13:35:11 20:19:23 13h 28m 25s
2026-Apr-15, Wednesday 06:49:13 13:34:56 20:20:40 13h 31m 27s
2026-Apr-16, Thursday 06:47:28 13:34:42 20:21:56 13h 34m 28s
2026-Apr-17, Friday 06:45:44 13:34:28 20:23:12 13h 37m 28s
2026-Apr-18, Saturday 06:44:01 13:34:15 20:24:29 13h 40m 28s
2026-Apr-19, Sunday 06:42:19 13:34:02 20:25:45 13h 43m 26s
2026-Apr-20, Monday 06:40:38 13:33:49 20:27:01 13h 46m 23s
2026-Apr-21, Tuesday 06:38:57 13:33:37 20:28:17 13h 49m 20s
2026-Apr-22, Wednesday 06:37:18 13:33:26 20:29:34 13h 52m 16s
2026-Apr-23, Thursday 06:35:39 13:33:14 20:30:50 13h 55m 11s
2026-Apr-24, Friday 06:34:01 13:33:04 20:32:06 13h 58m 5s
2026-Apr-25, Saturday 06:32:25 13:32:53 20:33:22 14h 0m 57s
2026-Apr-26, Sunday 06:30:50 13:32:44 20:34:37 14h 3m 47s
2026-Apr-27, Monday 06:29:15 13:32:34 20:35:53 14h 6m 38s
2026-Apr-28, Tuesday 06:27:42 13:32:25 20:37:09 14h 9m 27s
2026-Apr-29, Wednesday 06:26:10 13:32:17 20:38:24 14h 12m 14s
2026-Apr-30, Thursday 06:24:39 13:32:09 20:39:40 14h 15m 1s

Day length in Chelsea during the year on the chart

Chelsea 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