Sunrise and Sunset times in Duncan, United States

Duncan United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
06:24:05
Sunset
Today sunset
20:03:16
🌤️
Day length
13h 39m 11s
City
Duncan
Region / Country
Iowa, United States
Time zone
America/Chicago, UTC -5 h.
Population
94 people
Latitude
43.1051
Longitude
-93.7059

Select month and year

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

Day length in Duncan during the year on the chart

Duncan 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