Sunrise and Sunset times in Big Rock, United States 
Today:
 Sunrise: 07:17:07
|
 Sunset: 16:52:02
|
Day Length: 9h 34m 55s
Time zone: America/Chicago, UTC -6 h.
Latitude: 41.7669, Longitude: -88.5264
Big Rock
Illinois, United States 
1 155 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:21:19 | 11:57:47 | 16:34:15 | 9h 12m 56s |
| 2026-Jan-02, Friday | 07:21:23 | 11:58:15 | 16:35:07 | 9h 13m 44s |
| 2026-Jan-03, Saturday | 07:21:25 | 11:58:43 | 16:36:00 | 9h 14m 35s |
| 2026-Jan-04, Sunday | 07:21:24 | 11:59:10 | 16:36:56 | 9h 15m 32s |
| 2026-Jan-05, Monday | 07:21:20 | 11:59:37 | 16:37:53 | 9h 16m 33s |
| 2026-Jan-06, Tuesday | 07:21:15 | 12:00:03 | 16:38:51 | 9h 17m 36s |
| 2026-Jan-07, Wednesday | 07:21:07 | 12:00:29 | 16:39:51 | 9h 18m 44s |
| 2026-Jan-08, Thursday | 07:20:57 | 12:00:54 | 16:40:52 | 9h 19m 55s |
| 2026-Jan-09, Friday | 07:20:44 | 12:01:19 | 16:41:54 | 9h 21m 10s |
| 2026-Jan-10, Saturday | 07:20:29 | 12:01:43 | 16:42:57 | 9h 22m 28s |
| 2026-Jan-11, Sunday | 07:20:12 | 12:02:07 | 16:44:02 | 9h 23m 50s |
| 2026-Jan-12, Monday | 07:19:52 | 12:02:30 | 16:45:08 | 9h 25m 16s |
| 2026-Jan-13, Tuesday | 07:19:30 | 12:02:52 | 16:46:15 | 9h 26m 45s |
| 2026-Jan-14, Wednesday | 07:19:06 | 12:03:14 | 16:47:22 | 9h 28m 16s |
| 2026-Jan-15, Thursday | 07:18:40 | 12:03:35 | 16:48:31 | 9h 29m 51s |
| 2026-Jan-16, Friday | 07:18:11 | 12:03:56 | 16:49:41 | 9h 31m 30s |
| 2026-Jan-17, Saturday | 07:17:40 | 12:04:16 | 16:50:51 | 9h 33m 11s |
| 2026-Jan-18, Sunday | 07:17:07 | 12:04:35 | 16:52:02 | 9h 34m 55s |
| 2026-Jan-19, Monday | 07:16:32 | 12:04:53 | 16:53:14 | 9h 36m 42s |
| 2026-Jan-20, Tuesday | 07:15:55 | 12:05:11 | 16:54:27 | 9h 38m 32s |
| 2026-Jan-21, Wednesday | 07:15:16 | 12:05:28 | 16:55:40 | 9h 40m 24s |
| 2026-Jan-22, Thursday | 07:14:34 | 12:05:44 | 16:56:53 | 9h 42m 19s |
| 2026-Jan-23, Friday | 07:13:51 | 12:05:59 | 16:58:07 | 9h 44m 16s |
| 2026-Jan-24, Saturday | 07:13:05 | 12:06:14 | 16:59:22 | 9h 46m 17s |
| 2026-Jan-25, Sunday | 07:12:18 | 12:06:27 | 17:00:37 | 9h 48m 19s |
| 2026-Jan-26, Monday | 07:11:28 | 12:06:40 | 17:01:52 | 9h 50m 24s |
| 2026-Jan-27, Tuesday | 07:10:37 | 12:06:52 | 17:03:08 | 9h 52m 31s |
| 2026-Jan-28, Wednesday | 07:09:43 | 12:07:04 | 17:04:24 | 9h 54m 41s |
| 2026-Jan-29, Thursday | 07:08:48 | 12:07:14 | 17:05:40 | 9h 56m 52s |
| 2026-Jan-30, Friday | 07:07:51 | 12:07:24 | 17:06:57 | 9h 59m 6s |
| 2026-Jan-31, Saturday | 07:06:53 | 12:07:33 | 17:08:13 | 10h 1m 20s |
Day length in Big Rock during the year on the chart:
Big Rock 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