O'Brien County in numbers
- Coordinates
- 43.0838, -95.6249
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1624 km away
What time is it in O'Brien County, Iowa, United States
The page gives the present local time in O'Brien County, Iowa, United States, whose time zone is America/Chicago (−5).
O'Brien County, United States
Friday, 30 October 2026
UTC−5 · America/Chicago
Local time in O'Brien County
UTC−5 · daylight saving time is active
Local time in O'Brien County, Iowa.
The sun today
Sunrise 7:56 AM Solar noon 1:07 PM Sunset 6:19 PM Daylight 10 h 23 min Night 13 h 37 min Civil twilight 7:26 AM – 6:48 PM
Weather in O'Brien County right now
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Weather data by Open-Meteo, updated every 30 minutes.
O'Brien County and its neighbours
Postal codes
- 51245 Primghar — 2.5 km away
- 51231 Archer — 10.2 km away
- 51248 Sanborn — 12.1 km away
- 51046 Paullina — 14.3 km away
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
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
Local time details for O'Brien County
Local time in O'Brien County comes from the America/Chicago zone, UTC−5. Daylight saving time: Yes.
Sunrise today in O'Brien County lands at 7:56 AM; sunset lands at 6:19 PM. That is 10 h 23 min of light.
Nearby places that share O'Brien County's clock include Primghar and Gaza.
4 distinct postal codes apply to O'Brien County.
Questions and answers
- What time zone does local time in O'Brien County follow?
- Local time in O'Brien County follows America/Chicago, with an offset of −5.
- Does O'Brien County keep the same offset year round, or does it use daylight saving?
- Daylight saving time in O'Brien County: Yes.
- Please give the sunrise time for O'Brien County.
- The sun rises at 7:56 AM.