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
Look up the current time in Big Rock, Iowa, United States, which follows the America/Chicago zone (−5).
Big Rock, United States
Friday, 30 October 2026
UTC−5 · America/Chicago
Local time in Big Rock
UTC−5 · daylight saving time is active
Big Rock keeps America/Chicago clock_time.
The sun today
Sunrise 7:41 AM Solar noon 12:54 PM Sunset 6:07 PM Daylight 10 h 25 min Night 13 h 35 min Civil twilight 7:12 AM – 6:36 PM
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
Same time, different place: Crain Creek (historical) and Edwards (historical) near Big Rock.
Across Big Rock, 3 postal codes are recorded.
The applicable time zone for Big Rock is America/Chicago, offset UTC−5. Seasonal clock change applies: Yes.
Sunrise today in Big Rock lands at 7:41 AM; sunset lands at 6:07 PM. That is 10 h 25 min of light.
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 7:41 AM.