Chatham in numbers
- Coordinates
- 41.7411, -87.6125
- Elevation
- 180 m above sea level
- Population
- 31 392
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 950 km away
- Same name
- 29 more places in the world share this name
What time is it in Chatham, Illinois, United States
Right now in Chatham, Illinois, United States the local time is the one shown here, in the America/Chicago zone (−5).
Chatham, United States
Sunday, 25 October 2026
UTC−5 · America/Chicago
Local time in Chatham
UTC−5 · daylight saving time is active
Local time in Chatham, Illinois.
The sun today
Sunrise 7:15 AM Solar noon 12:36 PM Sunset 5:56 PM Daylight 10 h 41 min Night 13 h 19 min Civil twilight 6:47 AM – 6:24 PM
Weather in Chatham right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Chatham and its neighbours
Postal codes
- 02633
- 07928
- 12037
- 19318
- 24531
- 38731
- 49816
- 62629
- 71226
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 Illinois
Other places named Chatham
- Chatham England, United Kingdom
- Chatham Ontario, Canada
- Chatham Illinois, United States
- Chatham New Jersey, United States
- Chatham New York, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Avalon Highlands — 1.2 km
- Avalon Park — 2.0 km
- Auburn Park — 2.5 km
- Stony Island — 3.7 km
- Becks Park — 4.0 km
- South Chicago — 4.8 km
Time and daylight in Chatham
Daylight arrives in Chatham at 7:15 AM and departs at 5:56 PM. It lasts 10 h 41 min today.
Chatham keeps the same time as its neighbours Avalon Highlands and Avalon Park.
The number of postal codes covering Chatham is 9.
Chatham keeps the America/Chicago zone, which is UTC−5. Whether summer time is observed: Yes.
Questions and answers
- Under which time zone does Chatham fall?
- Chatham falls under America/Chicago, with an offset of −5.
- Does Chatham apply a daylight saving adjustment?
- Yes.
- When does evening light leave Chatham?
- At 5:56 PM.