Cooper in numbers
- Coordinates
- 40.6603, -89.4043
- Elevation
- 247 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1074 km away
- Same name
- 27 more places in the world share this name
Local time in Cooper, Illinois, United States is shown on this page, based on the America/Chicago time zone (−6).
Cooper, United States
Friday, 13 November 2026
UTC−6 · America/Chicago
Local time in Cooper
UTC−6 · no daylight saving time
What the clock shows right now in Cooper.
Sunrise 6:43 AM Solar noon 11:43 AM Sunset 4:43 PM Daylight 10 h 00 min Night 14 h 00 min Civil twilight 6:14 AM – 5:12 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.
Same time, different place: Crandall and Washington near Cooper.
2 postal codes correspond to Cooper.
Cooper is placed in America/Chicago, and its offset from UTC is −6. Daylight saving observed here: No.
The sun rises today at 6:43 AM in Cooper and sets at 4:43 PM. Daylight covers 10 h 00 min.