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
06:54:39
Sunset
Today sunset
20:06:49
🌤️
Day length
13h 12m 10s
City
Duncan
Region / Country
Oklahoma, United States
Time zone
America/Chicago, UTC -5 h.
Population
20 439 people
Latitude
34.5425
Longitude
-97.919

Select month and year

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

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