Big Rock in numbers
- Coordinates
- 42.5517, -92.2980
- Elevation
- 287 m above sea level
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1347 km away
- Same name
- 8 more places in the world share this name
What time is it in Big Rock, Iowa, United States
What follows is the current local time in Big Rock, Iowa, United States, in the America/Chicago zone (−5).
Big Rock, United States
Friday, 4 September 2026
UTC−5 · America/Chicago
Local time in Big Rock
UTC−5 · daylight saving time is active
Big Rock keeps America/Chicago time.
The sun today
Sunrise 06:39 Solar noon 13:10 Sunset 19:41 Daylight 13 h 02 min Night 10 h 58 min Civil twilight 06:10 – 20:09
Weather in Big Rock right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Big Rock and its neighbours
Postal codes
- 24603
- 37023
- 60511
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 Big Rock
- Big Rock Illinois, United States
- Big Rock Arkansas, United States
- Big Rock Iowa, United States
- Big Rock Kentucky, United States
- Big Rock Ohio, 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
- Crain Creek (historical) — 3.2 km
- Edwards (historical) — 3.8 km
- Armour — 5.6 km
- Woodland Terraces Mobile Home Park — 6.1 km
- Sky View Terrace Mobile Home Park — 6.2 km
- Eastgate Estate Park — 6.6 km
Time and daylight in Big Rock
The sun shows itself over Big Rock at 06:39 and sets at 19:41 today. That is 13 h 02 min of light.
Nearby places that share Big Rock's clock include Crain Creek (historical) and Edwards (historical).
The postal system lists 3 codes for Big Rock.
The applicable time zone for Big Rock is America/Chicago, offset UTC−5. Seasonal clock change applies: Yes.
Questions and answers
- Which time zone entry corresponds to Big Rock?
- The entry corresponding to Big Rock is America/Chicago, with an offset of −5.
- Is summer time applied in Big Rock?
- Yes.
- Please give the sunrise time for Big Rock.
- The sun rises at 06:39.