Sunrise and Sunset times in Duncan, United States 
Today:
 Sunrise: 07:23:08
|
 Sunset: 17:21:00
|
Day Length: 9h 57m 52s
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 |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:20:34 | 12:20:53 | 17:21:12 | 10h 0m 38s |
| 2025-Dec-02, Tuesday | 07:21:26 | 12:21:16 | 17:21:06 | 9h 59m 40s |
| 2025-Dec-03, Wednesday | 07:22:17 | 12:21:40 | 17:21:02 | 9h 58m 45s |
| 2025-Dec-04, Thursday | 07:23:08 | 12:22:04 | 17:21:00 | 9h 57m 52s |
| 2025-Dec-05, Friday | 07:23:58 | 12:22:29 | 17:21:00 | 9h 57m 2s |
| 2025-Dec-06, Saturday | 07:24:46 | 12:22:54 | 17:21:02 | 9h 56m 16s |
| 2025-Dec-07, Sunday | 07:25:34 | 12:23:20 | 17:21:06 | 9h 55m 32s |
| 2025-Dec-08, Monday | 07:26:21 | 12:23:47 | 17:21:12 | 9h 54m 51s |
| 2025-Dec-09, Tuesday | 07:27:07 | 12:24:13 | 17:21:20 | 9h 54m 13s |
| 2025-Dec-10, Wednesday | 07:27:52 | 12:24:41 | 17:21:30 | 9h 53m 38s |
| 2025-Dec-11, Thursday | 07:28:36 | 12:25:08 | 17:21:41 | 9h 53m 5s |
| 2025-Dec-12, Friday | 07:29:18 | 12:25:36 | 17:21:55 | 9h 52m 37s |
| 2025-Dec-13, Saturday | 07:30:00 | 12:26:05 | 17:22:10 | 9h 52m 10s |
| 2025-Dec-14, Sunday | 07:30:40 | 12:26:33 | 17:22:27 | 9h 51m 47s |
| 2025-Dec-15, Monday | 07:31:19 | 12:27:02 | 17:22:46 | 9h 51m 27s |
| 2025-Dec-16, Tuesday | 07:31:56 | 12:27:31 | 17:23:07 | 9h 51m 11s |
| 2025-Dec-17, Wednesday | 07:32:32 | 12:28:01 | 17:23:29 | 9h 50m 57s |
| 2025-Dec-18, Thursday | 07:33:07 | 12:28:30 | 17:23:53 | 9h 50m 46s |
| 2025-Dec-19, Friday | 07:33:41 | 12:29:00 | 17:24:19 | 9h 50m 38s |
| 2025-Dec-20, Saturday | 07:34:12 | 12:29:30 | 17:24:47 | 9h 50m 35s |
| 2025-Dec-21, Sunday | 07:34:43 | 12:29:59 | 17:25:16 | 9h 50m 33s |
| 2025-Dec-22, Monday | 07:35:12 | 12:30:29 | 17:25:47 | 9h 50m 35s |
| 2025-Dec-23, Tuesday | 07:35:39 | 12:30:59 | 17:26:19 | 9h 50m 40s |
| 2025-Dec-24, Wednesday | 07:36:04 | 12:31:29 | 17:26:53 | 9h 50m 49s |
| 2025-Dec-25, Thursday | 07:36:28 | 12:31:59 | 17:27:29 | 9h 51m 1s |
| 2025-Dec-26, Friday | 07:36:51 | 12:32:28 | 17:28:06 | 9h 51m 15s |
| 2025-Dec-27, Saturday | 07:37:11 | 12:32:58 | 17:28:44 | 9h 51m 33s |
| 2025-Dec-28, Sunday | 07:37:30 | 12:33:27 | 17:29:24 | 9h 51m 54s |
| 2025-Dec-29, Monday | 07:37:47 | 12:33:56 | 17:30:05 | 9h 52m 18s |
| 2025-Dec-30, Tuesday | 07:38:02 | 12:34:25 | 17:30:48 | 9h 52m 46s |
| 2025-Dec-31, Wednesday | 07:38:16 | 12:34:54 | 17:31:31 | 9h 53m 15s |
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