Sunrise and Sunset times in Duncan, United States 
Today:
 Sunrise: 07:36:38
|
 Sunset: 17:48:18
|
Day Length: 10h 11m 40s
Time zone: America/Chicago, UTC -6 h.
Latitude: 34.5425, Longitude: -97.919
Duncan
Oklahoma, United States 
20 439 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:38:28 | 12:35:22 | 17:32:16 | 9h 53m 48s |
| 2026-Jan-02, Friday | 07:38:37 | 12:35:50 | 17:33:02 | 9h 54m 25s |
| 2026-Jan-03, Saturday | 07:38:45 | 12:36:17 | 17:33:50 | 9h 55m 5s |
| 2026-Jan-04, Sunday | 07:38:51 | 12:36:45 | 17:34:38 | 9h 55m 47s |
| 2026-Jan-05, Monday | 07:38:56 | 12:37:11 | 17:35:27 | 9h 56m 31s |
| 2026-Jan-06, Tuesday | 07:38:58 | 12:37:38 | 17:36:17 | 9h 57m 19s |
| 2026-Jan-07, Wednesday | 07:38:59 | 12:38:04 | 17:37:09 | 9h 58m 10s |
| 2026-Jan-08, Thursday | 07:38:57 | 12:38:29 | 17:38:01 | 9h 59m 4s |
| 2026-Jan-09, Friday | 07:38:54 | 12:38:54 | 17:38:54 | 10h 0m 0s |
| 2026-Jan-10, Saturday | 07:38:49 | 12:39:18 | 17:39:47 | 10h 0m 58s |
| 2026-Jan-11, Sunday | 07:38:42 | 12:39:42 | 17:40:42 | 10h 2m 0s |
| 2026-Jan-12, Monday | 07:38:33 | 12:40:05 | 17:41:37 | 10h 3m 4s |
| 2026-Jan-13, Tuesday | 07:38:22 | 12:40:27 | 17:42:33 | 10h 4m 11s |
| 2026-Jan-14, Wednesday | 07:38:09 | 12:40:49 | 17:43:29 | 10h 5m 20s |
| 2026-Jan-15, Thursday | 07:37:54 | 12:41:10 | 17:44:26 | 10h 6m 32s |
| 2026-Jan-16, Friday | 07:37:38 | 12:41:31 | 17:45:23 | 10h 7m 45s |
| 2026-Jan-17, Saturday | 07:37:20 | 12:41:50 | 17:46:21 | 10h 9m 1s |
| 2026-Jan-18, Sunday | 07:37:00 | 12:42:10 | 17:47:19 | 10h 10m 19s |
| 2026-Jan-19, Monday | 07:36:38 | 12:42:28 | 17:48:18 | 10h 11m 40s |
| 2026-Jan-20, Tuesday | 07:36:14 | 12:42:45 | 17:49:17 | 10h 13m 3s |
| 2026-Jan-21, Wednesday | 07:35:48 | 12:43:02 | 17:50:16 | 10h 14m 28s |
| 2026-Jan-22, Thursday | 07:35:21 | 12:43:18 | 17:51:16 | 10h 15m 55s |
| 2026-Jan-23, Friday | 07:34:52 | 12:43:34 | 17:52:16 | 10h 17m 24s |
| 2026-Jan-24, Saturday | 07:34:21 | 12:43:48 | 17:53:16 | 10h 18m 55s |
| 2026-Jan-25, Sunday | 07:33:48 | 12:44:02 | 17:54:16 | 10h 20m 28s |
| 2026-Jan-26, Monday | 07:33:14 | 12:44:15 | 17:55:16 | 10h 22m 2s |
| 2026-Jan-27, Tuesday | 07:32:38 | 12:44:27 | 17:56:16 | 10h 23m 38s |
| 2026-Jan-28, Wednesday | 07:32:00 | 12:44:38 | 17:57:16 | 10h 25m 16s |
| 2026-Jan-29, Thursday | 07:31:21 | 12:44:49 | 17:58:17 | 10h 26m 56s |
| 2026-Jan-30, Friday | 07:30:40 | 12:44:58 | 17:59:17 | 10h 28m 37s |
| 2026-Jan-31, Saturday | 07:29:58 | 12:45:07 | 18:00:17 | 10h 30m 19s |
Day length in Duncan during the year on the chart:
Duncan on United States map:
Locations in the same time zone America/Chicago
Chicago (Illinois), Dallas (Texas), Houston (Texas), Minneapolis (Minnesota), St. Louis (Missouri), San Antonio (Texas), Austin (Texas), Kansas City (Missouri), Montevideo (Montevideo), Milwaukee (Wisconsin), Prague (Praha, Hlavní Město), Nashville (Tennessee), Memphis (Tennessee), New Orleans (Louisiana), Oklahoma City (Oklahoma), Fort Worth (Texas), Omaha (Nebraska), McAllen (Texas), Birmingham (Alabama), Tulsa (Oklahoma), Baton Rouge (Louisiana), Wichita (Kansas), Des Moines (Iowa), Little Rock (Arkansas), Denton (Texas), Madison (Wisconsin), Arlington (Texas), Pensacola (Florida), Fayetteville (Arkansas), Corpus Christi (Texas)
Largest populated areas in United States
New York (New York), Los Angeles (California), Chicago (Illinois), Miami (Florida), Dallas (Texas), Philadelphia (Pennsylvania), Houston (Texas), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Phoenix (Arizona), Seattle (Washington), San Francisco (California), Detroit (Michigan), San Diego (California), Minneapolis (Minnesota), Tampa (Florida), Denver (Colorado), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Riverside (California), St. Louis (Missouri), Las Vegas (Nevada), Portland (Oregon), San Antonio (Texas), Sacramento (California), San Jose (California), Orlando (Florida), Cleveland (Ohio)
Countries closest to United States
*Calculation of distances from capital to capital
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