Mattoon in numbers
- Coordinates
- 39.4831, -88.3728
- Population
- 18 113
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 979 km away
- Same name
- 3 more places in the world share this name
The current local time in Mattoon, Illinois, United States — time zone America/Chicago (−6) — is shown right here.
Mattoon, United States
Sunday, 15 November 2026
UTC−6 · America/Chicago
Local time in Mattoon
UTC−6 · no daylight saving time
What the clock shows right now in Mattoon.
Sunrise 6:39 AM Solar noon 11:39 AM Sunset 4:40 PM Daylight 10 h 01 min Night 13 h 59 min Civil twilight 6:10 AM – 5:09 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.
2 codes make up the postal map of Mattoon.
Mattoon counts hours by America/Chicago, which stands at UTC−6. Whether daylight saving is kept: No.
At Mattoon the sun clears the horizon at 6:39 AM and sinks again at 4:40 PM. The gap between them is 10 h 01 min.
Look nearby and you will see Lane Acres and Old State Mobile Home Village on the same clock as Mattoon.