Big Rock in numbers
- Coordinates
- 41.7703, -90.8263
- Elevation
- 206 m above sea level
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1210 km away
- Same name
- 8 more places in the world share this name
Learn the current time in Big Rock, Iowa, United States, a place in the America/Chicago time zone (−6).
Big Rock, United States
Tuesday, 3 November 2026
UTC−6 · America/Chicago
Local time in Big Rock
UTC−6 · no daylight saving time
Local time in Big Rock, Iowa.
Sunrise 6:39 AM Solar noon 11:48 AM Sunset 4:57 PM Daylight 10 h 18 min Night 13 h 42 min Civil twilight 6:10 AM – 5:26 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.
Sunlight reaches Big Rock at 6:39 AM and fades after 4:57 PM today. The span is 10 h 18 min.
The time given for Big Rock holds for nearby Dixon and New Dixon too.
Mail addressed to Big Rock uses 3 postal codes.
Big Rock tells time by America/Chicago, an offset of UTC−6. Clock shift for daylight saving: No.