Mason City in numbers
- Coordinates
- 43.1536, -93.2010
- Population
- 27 366
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1434 km away
- Same name
- 4 more places in the world share this name
What time is it in Mason City, Iowa, United States
Below you can see what the time is in Mason City, Iowa, United States now, in the America/Chicago 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
Mason City keeps America/Chicago clock_time.
The sun today
Sunrise 6:50 AM Solar noon 11:57 AM Sunset 5:05 PM Daylight 10 h 15 min Night 13 h 45 min Civil twilight 6:20 AM – 5:35 PM
Weather in Mason City right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Mason City and its neighbours
Postal codes
- 50401
- 50402
- 62664
- 68855
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.
Largest cities in Iowa
- Des Moines 214 133
- Cedar Rapids 130 405
- Davenport 102 582
- Sioux City 82 821
- Iowa City 74 220
- Waterloo 68 460
Other places named Mason City
- Mason City Illinois, United States
- Mason City Nebraska, United States
- Mason City Alabama, United States
- Mason City Washington, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Central Heights — 3.9 km
- Mason City Junction — 4.0 km
- Registry Park — 4.5 km
- Freeman — 6.6 km
- Emery — 6.8 km
- Portland — 6.9 km
Local time details for Mason City
Delivery zones in Mason City are marked by 4 postal codes.
The zone in force in Mason City is America/Chicago, with an offset of UTC−6. Seasonal change: No.
Mason City sees first light at 6:50 AM today and the sun sets at 5:05 PM. Daylight totals 10 h 15 min.
The time in Mason City is also the time in nearby Central Heights and Mason City Junction.
Questions and answers
- Which time zone should I use for Mason City?
- Use America/Chicago for Mason City; its offset is −6.
- Do I need to account for daylight saving time in Mason City?
- Daylight saving time in Mason City: No.
- How early does the sun rise in Mason City?
- The first sunlight comes at 6:50 AM.