Rock River in numbers
- Coordinates
- 46.4652, -86.9143
- Elevation
- 187 m above sea level
- Region
- Michigan
- Country
- United States, North America
- Capital
- Washington, D.C. — 1165 km away
- Same name
- 3 more places in the world share this name
What time is it in Rock River, Michigan, United States
Read off the current local time in Rock River, Michigan, United States, which belongs to the America/Detroit zone (−4).
Rock River, United States
Saturday, 31 October 2026
UTC−4 · America/Detroit
Local time in Rock River
UTC−4 · daylight saving time is active
Rock River keeps America/Detroit clock_time.
The sun today
Sunrise 8:29 AM Solar noon 1:32 PM Sunset 6:36 PM Daylight 10 h 07 min Night 13 h 53 min Civil twilight 7:57 AM – 7:07 PM
Weather in Rock River right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Rock River and its neighbours
Postal codes
- 82083
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 Michigan
- Detroit 645 705
- Grand Rapids 195 097
- Warren 134 056
- Sterling Heights 132 052
- Ann Arbor 117 070
- Lansing 112 644
Other places named Rock River
- Rock River Wyoming, United States
- Rock River Clarendon, Jamaica
- Rock River Saint Mary Parish, Jamaica
Same time zone — America/Detroit
- Detroit United States
Nearby places
- Onota — 6.3 km
- Au Train — 7.1 km
- Deerton — 9.8 km
- Eben Junction — 13.0 km
- Chatham — 13.1 km
- Slapneck — 13.8 km
Local time details for Rock River
Deliveries to Rock River are sorted by 1 postal code.
Rock River keeps the America/Detroit zone, which is UTC−4. Whether summer time is observed: Yes.
Today's daylight in Rock River begins at 8:29 AM and finishes at 6:36 PM. The total is 10 h 07 min.
Rock River shares one clock with the nearby places Onota and Au Train.
Questions and answers
- What time zone setting should I choose for Rock River?
- Choose America/Detroit for Rock River, with an offset of −4.
- Does daylight saving time reach Rock River?
- Daylight saving time in Rock River: Yes.
- At what hour does the sun rise in Rock River?
- At 8:29 AM.