Sunrise and Sunset times in Rock Island Arsenal, United States 
Today:
 Sunrise: 07:23:55
|
 Sunset: 17:01:58
|
Day Length: 9h 38m 3s
Time zone: America/Chicago, UTC -6 h.
Latitude: 41.5172, Longitude: -90.5399
Rock Island Arsenal
Illinois, United States 
52 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:28:35 | 12:05:50 | 16:43:05 | 9h 14m 30s |
| 2026-Jan-02, Friday | 07:28:39 | 12:06:18 | 16:43:57 | 9h 15m 18s |
| 2026-Jan-03, Saturday | 07:28:41 | 12:06:46 | 16:44:51 | 9h 16m 10s |
| 2026-Jan-04, Sunday | 07:28:40 | 12:07:13 | 16:45:46 | 9h 17m 6s |
| 2026-Jan-05, Monday | 07:28:37 | 12:07:40 | 16:46:42 | 9h 18m 5s |
| 2026-Jan-06, Tuesday | 07:28:32 | 12:08:06 | 16:47:40 | 9h 19m 8s |
| 2026-Jan-07, Wednesday | 07:28:24 | 12:08:32 | 16:48:40 | 9h 20m 16s |
| 2026-Jan-08, Thursday | 07:28:14 | 12:08:57 | 16:49:40 | 9h 21m 26s |
| 2026-Jan-09, Friday | 07:28:02 | 12:09:22 | 16:50:42 | 9h 22m 40s |
| 2026-Jan-10, Saturday | 07:27:48 | 12:09:47 | 16:51:45 | 9h 23m 57s |
| 2026-Jan-11, Sunday | 07:27:31 | 12:10:10 | 16:52:50 | 9h 25m 19s |
| 2026-Jan-12, Monday | 07:27:12 | 12:10:33 | 16:53:55 | 9h 26m 43s |
| 2026-Jan-13, Tuesday | 07:26:50 | 12:10:56 | 16:55:01 | 9h 28m 11s |
| 2026-Jan-14, Wednesday | 07:26:26 | 12:11:18 | 16:56:09 | 9h 29m 43s |
| 2026-Jan-15, Thursday | 07:26:01 | 12:11:39 | 16:57:17 | 9h 31m 16s |
| 2026-Jan-16, Friday | 07:25:32 | 12:11:59 | 16:58:26 | 9h 32m 54s |
| 2026-Jan-17, Saturday | 07:25:02 | 12:12:19 | 16:59:36 | 9h 34m 34s |
| 2026-Jan-18, Sunday | 07:24:30 | 12:12:38 | 17:00:47 | 9h 36m 17s |
| 2026-Jan-19, Monday | 07:23:55 | 12:12:56 | 17:01:58 | 9h 38m 3s |
| 2026-Jan-20, Tuesday | 07:23:18 | 12:13:14 | 17:03:10 | 9h 39m 52s |
| 2026-Jan-21, Wednesday | 07:22:39 | 12:13:31 | 17:04:23 | 9h 41m 44s |
| 2026-Jan-22, Thursday | 07:21:58 | 12:13:47 | 17:05:36 | 9h 43m 38s |
| 2026-Jan-23, Friday | 07:21:16 | 12:14:02 | 17:06:49 | 9h 45m 33s |
| 2026-Jan-24, Saturday | 07:20:31 | 12:14:17 | 17:08:03 | 9h 47m 32s |
| 2026-Jan-25, Sunday | 07:19:44 | 12:14:31 | 17:09:18 | 9h 49m 34s |
| 2026-Jan-26, Monday | 07:18:55 | 12:14:44 | 17:10:32 | 9h 51m 37s |
| 2026-Jan-27, Tuesday | 07:18:04 | 12:14:56 | 17:11:48 | 9h 53m 44s |
| 2026-Jan-28, Wednesday | 07:17:11 | 12:15:07 | 17:13:03 | 9h 55m 52s |
| 2026-Jan-29, Thursday | 07:16:17 | 12:15:18 | 17:14:18 | 9h 58m 1s |
| 2026-Jan-30, Friday | 07:15:20 | 12:15:27 | 17:15:34 | 10h 0m 14s |
| 2026-Jan-31, Saturday | 07:14:22 | 12:15:36 | 17:16:50 | 10h 2m 28s |
Day length in Rock Island Arsenal during the year on the chart:
Rock Island Arsenal 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