Chatham in numbers
- Coordinates
- 39.6762, -89.7045
- Elevation
- 184 m above sea level
- Population
- 12 351
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1093 km away
- Same name
- 29 more places in the world share this name
What time is it in Chatham, Illinois, United States
This page shows what the clocks read right now in Chatham, Illinois, United States, 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 7:20 AM Solar noon 12:44 PM Sunset 6:07 PM Daylight 10 h 47 min Night 13 h 13 min Civil twilight 6:53 AM – 6:35 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
- Woodside — 5.3 km
- Irwins Park — 5.9 km
- Cotton Hill — 6.7 km
- Glenarm — 7.5 km
- Toronto — 7.6 km
- Curran — 9.3 km
About the time in Chatham
Sorting mail for Chatham involves 9 postal codes.
The name of the time zone in Chatham is America/Chicago, and it runs UTC−5. Daylight saving time: Yes.
Look for sunrise at 7:20 AM and sunset at 6:07 PM in Chatham today. The day carries 10 h 47 min of light.
The clock does not change between Chatham, Woodside and Irwins Park.
Questions and answers
- Do you know which time zone Chatham uses?
- Chatham uses the America/Chicago time zone, with an offset of −5.
- Is summer time in effect in Chatham at some point in the year?
- Daylight saving observed in Chatham: Yes.
- When does light leave Chatham?
- Light leaves at 6:07 PM.