Mason City in numbers
- Coordinates
- 40.2023, -89.6982
- Elevation
- 177 m above sea level
- Population
- 2 180
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1094 km away
- Same name
- 4 more places in the world share this name
Current local time for Mason City, Illinois, United States is listed here, in the America/Chicago time zone (−6).
Mason City, United States
Monday, 2 November 2026
UTC−6 · America/Chicago
Local time in Mason City
UTC−6 · no daylight saving time
Local time in Mason City, Illinois.
Sunrise 6:30 AM Solar noon 11:43 AM Sunset 4:57 PM Daylight 10 h 26 min Night 13 h 34 min Civil twilight 6:02 AM – 5:25 PM
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Weather data by Open-Meteo, updated every 30 minutes.
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
In Mason City, first light arrives at 6:30 AM and the sun goes down at 4:57 PM. The day holds 10 h 26 min of light.
Around Mason City, places such as Luther and Hubly use the same time.
4 postal codes are listed for Mason City.
Clocks in Mason City take America/Chicago as their zone, reading UTC−6. Daylight saving time applies: No.