Oak in numbers
- Coordinates
- 37.5764, -88.5178
- Elevation
- 231 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1013 km away
- Same name
- 7 more places in the world share this name
The current local time in Oak, Illinois, United States is displayed here for the America/Chicago time zone (−6).
Oak, United States
Saturday, 14 November 2026
UTC−6 · America/Chicago
Local time in Oak
UTC−6 · no daylight saving time
Local time in Oak, Illinois.
Sunrise 6:34 AM Solar noon 11:40 AM Sunset 4:46 PM Daylight 10 h 12 min Night 13 h 48 min Civil twilight 6:06 AM – 5:13 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.
The sun will rise at 6:34 AM and set at 4:46 PM in Oak today. Daylight amounts to 10 h 12 min.
Close to Oak, the towns of Delwood and Hartsville show the same time.
Postal codes valid in Oak number 1.
Oak reads its time from America/Chicago, placed at UTC−6. Whether daylight saving time is observed: No.