Sunrise and Sunset times in Optima, United States 
Today:
 Sunrise: 07:55:45
|
 Sunset: 17:56:01
|
Day Length: 10h 0m 16s
Time zone: America/Chicago, UTC -6 h.
Latitude: 36.762, Longitude: -101.35
Optima
Oklahoma, United States 
373 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:58:00 | 12:49:06 | 17:40:12 | 9h 42m 12s |
| 2026-Jan-02, Friday | 07:58:08 | 12:49:34 | 17:41:00 | 9h 42m 52s |
| 2026-Jan-03, Saturday | 07:58:14 | 12:50:01 | 17:41:49 | 9h 43m 35s |
| 2026-Jan-04, Sunday | 07:58:18 | 12:50:28 | 17:42:39 | 9h 44m 21s |
| 2026-Jan-05, Monday | 07:58:20 | 12:50:55 | 17:43:30 | 9h 45m 10s |
| 2026-Jan-06, Tuesday | 07:58:20 | 12:51:21 | 17:44:23 | 9h 46m 3s |
| 2026-Jan-07, Wednesday | 07:58:18 | 12:51:47 | 17:45:16 | 9h 46m 58s |
| 2026-Jan-08, Thursday | 07:58:14 | 12:52:13 | 17:46:11 | 9h 47m 57s |
| 2026-Jan-09, Friday | 07:58:08 | 12:52:37 | 17:47:06 | 9h 48m 58s |
| 2026-Jan-10, Saturday | 07:58:00 | 12:53:02 | 17:48:03 | 9h 50m 3s |
| 2026-Jan-11, Sunday | 07:57:50 | 12:53:25 | 17:49:00 | 9h 51m 10s |
| 2026-Jan-12, Monday | 07:57:39 | 12:53:48 | 17:49:58 | 9h 52m 19s |
| 2026-Jan-13, Tuesday | 07:57:25 | 12:54:11 | 17:50:57 | 9h 53m 32s |
| 2026-Jan-14, Wednesday | 07:57:09 | 12:54:33 | 17:51:57 | 9h 54m 48s |
| 2026-Jan-15, Thursday | 07:56:51 | 12:54:54 | 17:52:57 | 9h 56m 6s |
| 2026-Jan-16, Friday | 07:56:31 | 12:55:14 | 17:53:58 | 9h 57m 27s |
| 2026-Jan-17, Saturday | 07:56:09 | 12:55:34 | 17:54:59 | 9h 58m 50s |
| 2026-Jan-18, Sunday | 07:55:45 | 12:55:53 | 17:56:01 | 10h 0m 16s |
| 2026-Jan-19, Monday | 07:55:19 | 12:56:11 | 17:57:03 | 10h 1m 44s |
| 2026-Jan-20, Tuesday | 07:54:52 | 12:56:29 | 17:58:06 | 10h 3m 14s |
| 2026-Jan-21, Wednesday | 07:54:22 | 12:56:46 | 17:59:09 | 10h 4m 47s |
| 2026-Jan-22, Thursday | 07:53:51 | 12:57:02 | 18:00:13 | 10h 6m 22s |
| 2026-Jan-23, Friday | 07:53:18 | 12:57:17 | 18:01:17 | 10h 7m 59s |
| 2026-Jan-24, Saturday | 07:52:43 | 12:57:32 | 18:02:21 | 10h 9m 38s |
| 2026-Jan-25, Sunday | 07:52:06 | 12:57:45 | 18:03:25 | 10h 11m 19s |
| 2026-Jan-26, Monday | 07:51:27 | 12:57:58 | 18:04:29 | 10h 13m 2s |
| 2026-Jan-27, Tuesday | 07:50:47 | 12:58:11 | 18:05:34 | 10h 14m 47s |
| 2026-Jan-28, Wednesday | 07:50:05 | 12:58:22 | 18:06:39 | 10h 16m 34s |
| 2026-Jan-29, Thursday | 07:49:21 | 12:58:32 | 18:07:44 | 10h 18m 23s |
| 2026-Jan-30, Friday | 07:48:36 | 12:58:42 | 18:08:48 | 10h 20m 12s |
| 2026-Jan-31, Saturday | 07:47:49 | 12:58:51 | 18:09:53 | 10h 22m 4s |
Day length in Optima during the year on the chart:
Optima 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