Sunrise and Sunset times in Mason City, United States 
Today:
 Sunrise: 07:19:25
|
 Sunset: 16:56:26
|
Day Length: 9h 37m 1s
Time zone: America/Chicago, UTC -6 h.
Latitude: 40.2022, Longitude: -89.6973
Mason City
Illinois, United States 
2 181 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:21:10 | 12:02:28 | 16:43:46 | 9h 22m 36s |
| 2026-Jan-02, Friday | 07:21:16 | 12:02:56 | 16:44:37 | 9h 23m 21s |
| 2026-Jan-03, Saturday | 07:21:19 | 12:03:24 | 16:45:29 | 9h 24m 10s |
| 2026-Jan-04, Sunday | 07:21:19 | 12:03:51 | 16:46:22 | 9h 25m 3s |
| 2026-Jan-05, Monday | 07:21:18 | 12:04:18 | 16:47:17 | 9h 25m 59s |
| 2026-Jan-06, Tuesday | 07:21:14 | 12:04:44 | 16:48:14 | 9h 27m 0s |
| 2026-Jan-07, Wednesday | 07:21:08 | 12:05:10 | 16:49:11 | 9h 28m 3s |
| 2026-Jan-08, Thursday | 07:21:00 | 12:05:35 | 16:50:10 | 9h 29m 10s |
| 2026-Jan-09, Friday | 07:20:50 | 12:06:00 | 16:51:10 | 9h 30m 20s |
| 2026-Jan-10, Saturday | 07:20:37 | 12:06:24 | 16:52:11 | 9h 31m 34s |
| 2026-Jan-11, Sunday | 07:20:22 | 12:06:48 | 16:53:13 | 9h 32m 51s |
| 2026-Jan-12, Monday | 07:20:05 | 12:07:11 | 16:54:17 | 9h 34m 12s |
| 2026-Jan-13, Tuesday | 07:19:46 | 12:07:34 | 16:55:21 | 9h 35m 35s |
| 2026-Jan-14, Wednesday | 07:19:25 | 12:07:55 | 16:56:26 | 9h 37m 1s |
| 2026-Jan-15, Thursday | 07:19:01 | 12:08:17 | 16:57:32 | 9h 38m 31s |
| 2026-Jan-16, Friday | 07:18:36 | 12:08:37 | 16:58:38 | 9h 40m 2s |
| 2026-Jan-17, Saturday | 07:18:08 | 12:08:57 | 16:59:46 | 9h 41m 38s |
| 2026-Jan-18, Sunday | 07:17:38 | 12:09:16 | 17:00:54 | 9h 43m 16s |
| 2026-Jan-19, Monday | 07:17:06 | 12:09:34 | 17:02:02 | 9h 44m 56s |
| 2026-Jan-20, Tuesday | 07:16:32 | 12:09:52 | 17:03:12 | 9h 46m 40s |
| 2026-Jan-21, Wednesday | 07:15:56 | 12:10:09 | 17:04:21 | 9h 48m 25s |
| 2026-Jan-22, Thursday | 07:15:18 | 12:10:25 | 17:05:32 | 9h 50m 14s |
| 2026-Jan-23, Friday | 07:14:38 | 12:10:40 | 17:06:42 | 9h 52m 4s |
| 2026-Jan-24, Saturday | 07:13:56 | 12:10:55 | 17:07:54 | 9h 53m 58s |
| 2026-Jan-25, Sunday | 07:13:12 | 12:11:08 | 17:09:05 | 9h 55m 53s |
| 2026-Jan-26, Monday | 07:12:26 | 12:11:21 | 17:10:17 | 9h 57m 51s |
| 2026-Jan-27, Tuesday | 07:11:38 | 12:11:33 | 17:11:29 | 9h 59m 51s |
| 2026-Jan-28, Wednesday | 07:10:49 | 12:11:45 | 17:12:41 | 10h 1m 52s |
| 2026-Jan-29, Thursday | 07:09:57 | 12:11:55 | 17:13:53 | 10h 3m 56s |
| 2026-Jan-30, Friday | 07:09:04 | 12:12:05 | 17:15:06 | 10h 6m 2s |
| 2026-Jan-31, Saturday | 07:08:09 | 12:12:14 | 17:16:19 | 10h 8m 10s |
Day length in Mason City during the year on the chart:
Mason City 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