Oak Grove in numbers
- Coordinates
- 41.4106, -90.5707
- Elevation
- 220 m above sea level
- Population
- 572
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1182 km away
- Same name
- 168 more places in the world share this name
Use this page to see what time it is in Oak Grove, Illinois, United States — the America/Chicago zone applies there (−6).
Oak Grove, United States
Sunday, 15 November 2026
UTC−6 · America/Chicago
Local time in Oak Grove
UTC−6 · no daylight saving time
Oak Grove keeps America/Chicago clock_time.
Sunrise 6:52 AM Solar noon 11:48 AM Sunset 4:44 PM Daylight 9 h 52 min Night 14 h 08 min Civil twilight 6:22 AM – 5:14 PM
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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.
Same time, different place: Coyne Center and Castle Junction near Oak Grove.
Postal codes valid in Oak Grove number 4.
Oak Grove belongs to the America/Chicago zone, placing local clocks at UTC−6. Summer time adjustment: No.
Oak Grove sees the sun rise at 6:52 AM and set at 4:44 PM today. Daylight runs for 9 h 52 min.