Sunrise and Sunset times in Alton, United States 
Today:
 Sunrise: 07:05:14
|
 Sunset: 16:38:26
|
Day Length: 9h 33m 12s
Time zone: America/Chicago, UTC -6 h.
Latitude: 38.9033, Longitude: -90.1523
Alton
Illinois, United States 
80 462 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:00:37 | 11:49:48 | 16:39:00 | 9h 38m 23s |
| 2025-Dec-02, Tuesday | 07:01:34 | 11:50:12 | 16:38:49 | 9h 37m 15s |
| 2025-Dec-03, Wednesday | 07:02:31 | 11:50:35 | 16:38:40 | 9h 36m 9s |
| 2025-Dec-04, Thursday | 07:03:26 | 11:51:00 | 16:38:33 | 9h 35m 7s |
| 2025-Dec-05, Friday | 07:04:21 | 11:51:24 | 16:38:28 | 9h 34m 7s |
| 2025-Dec-06, Saturday | 07:05:14 | 11:51:50 | 16:38:26 | 9h 33m 12s |
| 2025-Dec-07, Sunday | 07:06:06 | 11:52:16 | 16:38:25 | 9h 32m 19s |
| 2025-Dec-08, Monday | 07:06:57 | 11:52:42 | 16:38:27 | 9h 31m 30s |
| 2025-Dec-09, Tuesday | 07:07:46 | 11:53:09 | 16:38:31 | 9h 30m 45s |
| 2025-Dec-10, Wednesday | 07:08:35 | 11:53:36 | 16:38:38 | 9h 30m 3s |
| 2025-Dec-11, Thursday | 07:09:21 | 11:54:04 | 16:38:46 | 9h 29m 25s |
| 2025-Dec-12, Friday | 07:10:07 | 11:54:32 | 16:38:57 | 9h 28m 50s |
| 2025-Dec-13, Saturday | 07:10:51 | 11:55:00 | 16:39:09 | 9h 28m 18s |
| 2025-Dec-14, Sunday | 07:11:33 | 11:55:29 | 16:39:24 | 9h 27m 51s |
| 2025-Dec-15, Monday | 07:12:14 | 11:55:58 | 16:39:41 | 9h 27m 27s |
| 2025-Dec-16, Tuesday | 07:12:53 | 11:56:27 | 16:40:00 | 9h 27m 7s |
| 2025-Dec-17, Wednesday | 07:13:31 | 11:56:56 | 16:40:21 | 9h 26m 50s |
| 2025-Dec-18, Thursday | 07:14:07 | 11:57:26 | 16:40:44 | 9h 26m 37s |
| 2025-Dec-19, Friday | 07:14:41 | 11:57:55 | 16:41:10 | 9h 26m 29s |
| 2025-Dec-20, Saturday | 07:15:13 | 11:58:25 | 16:41:37 | 9h 26m 24s |
| 2025-Dec-21, Sunday | 07:15:44 | 11:58:55 | 16:42:06 | 9h 26m 22s |
| 2025-Dec-22, Monday | 07:16:12 | 11:59:25 | 16:42:37 | 9h 26m 25s |
| 2025-Dec-23, Tuesday | 07:16:39 | 11:59:55 | 16:43:10 | 9h 26m 31s |
| 2025-Dec-24, Wednesday | 07:17:04 | 12:00:24 | 16:43:45 | 9h 26m 41s |
| 2025-Dec-25, Thursday | 07:17:27 | 12:00:54 | 16:44:21 | 9h 26m 54s |
| 2025-Dec-26, Friday | 07:17:48 | 12:01:24 | 16:45:00 | 9h 27m 12s |
| 2025-Dec-27, Saturday | 07:18:07 | 12:01:53 | 16:45:40 | 9h 27m 33s |
| 2025-Dec-28, Sunday | 07:18:23 | 12:02:22 | 16:46:21 | 9h 27m 58s |
| 2025-Dec-29, Monday | 07:18:38 | 12:02:52 | 16:47:05 | 9h 28m 27s |
| 2025-Dec-30, Tuesday | 07:18:51 | 12:03:20 | 16:47:50 | 9h 28m 59s |
| 2025-Dec-31, Wednesday | 07:19:02 | 12:03:49 | 16:48:36 | 9h 29m 34s |
Day length in Alton during the year on the chart:
Alton 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