Sunrise and Sunset times in Seneca, United States

Seneca United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:43:53
Sunset
Today sunset
20:29:54
🌤️
Day length
13h 46m 1s
City
Seneca
Region / Country
South Dakota, United States
Time zone
America/Chicago, UTC -5 h.
Population
37 people
Latitude
45.0608
Longitude
-99.5092

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 07:17:47 13:41:48 20:05:49 12h 48m 2s
2026-Apr-02, Thursday 07:15:56 13:41:31 20:07:05 12h 51m 9s
2026-Apr-03, Friday 07:14:05 13:41:13 20:08:21 12h 54m 16s
2026-Apr-04, Saturday 07:12:14 13:40:56 20:09:37 12h 57m 23s
2026-Apr-05, Sunday 07:10:23 13:40:38 20:10:54 13h 0m 31s
2026-Apr-06, Monday 07:08:33 13:40:21 20:12:10 13h 3m 37s
2026-Apr-07, Tuesday 07:06:44 13:40:05 20:13:26 13h 6m 42s
2026-Apr-08, Wednesday 07:04:54 13:39:48 20:14:42 13h 9m 48s
2026-Apr-09, Thursday 07:03:06 13:39:32 20:15:58 13h 12m 52s
2026-Apr-10, Friday 07:01:18 13:39:16 20:17:14 13h 15m 56s
2026-Apr-11, Saturday 06:59:30 13:39:00 20:18:30 13h 19m 0s
2026-Apr-12, Sunday 06:57:43 13:38:44 20:19:46 13h 22m 3s
2026-Apr-13, Monday 06:55:57 13:38:29 20:21:02 13h 25m 5s
2026-Apr-14, Tuesday 06:54:11 13:38:14 20:22:18 13h 28m 7s
2026-Apr-15, Wednesday 06:52:26 13:38:00 20:23:34 13h 31m 8s
2026-Apr-16, Thursday 06:50:42 13:37:46 20:24:50 13h 34m 8s
2026-Apr-17, Friday 06:48:58 13:37:32 20:26:06 13h 37m 8s
2026-Apr-18, Saturday 06:47:15 13:37:19 20:27:22 13h 40m 7s
2026-Apr-19, Sunday 06:45:34 13:37:06 20:28:38 13h 43m 4s
2026-Apr-20, Monday 06:43:53 13:36:53 20:29:54 13h 46m 1s
2026-Apr-21, Tuesday 06:42:13 13:36:41 20:31:09 13h 48m 56s
2026-Apr-22, Wednesday 06:40:33 13:36:29 20:32:25 13h 51m 52s
2026-Apr-23, Thursday 06:38:55 13:36:18 20:33:41 13h 54m 46s
2026-Apr-24, Friday 06:37:18 13:36:07 20:34:57 13h 57m 39s
2026-Apr-25, Saturday 06:35:42 13:35:57 20:36:12 14h 0m 30s
2026-Apr-26, Sunday 06:34:07 13:35:47 20:37:28 14h 3m 21s
2026-Apr-27, Monday 06:32:33 13:35:38 20:38:43 14h 6m 10s
2026-Apr-28, Tuesday 06:31:00 13:35:29 20:39:58 14h 8m 58s
2026-Apr-29, Wednesday 06:29:28 13:35:21 20:41:14 14h 11m 46s
2026-Apr-30, Thursday 06:27:58 13:35:13 20:42:29 14h 14m 31s

Day length in Seneca during the year on the chart

Seneca 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