Boulder in numbers
- Coordinates
- 38.6967, -89.2256
- Elevation
- 142 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1056 km away
- Same name
- 7 more places in the world share this name
What time is it in Boulder, Illinois, United States
The page gives the present local time in Boulder, Illinois, United States, whose time zone is America/Chicago (−5).
Boulder, United States
Monday, 7 September 2026
UTC−5 · America/Chicago
Local time in Boulder
UTC−5 · daylight saving time is active
Local time in Boulder, Illinois.
The sun today
Sunrise 6:33 AM Solar noon 12:56 PM Sunset 7:20 PM Daylight 12 h 47 min Night 11 h 13 min Civil twilight 6:06 AM – 7:47 PM
Weather in Boulder right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Boulder and its neighbours
Postal codes
- 59632
- 80301
- 80302
- 80303
- 80304
- 80305
- 80306
- 80307
- 80308
- 80309
- 80310
- 80314
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 Boulder
- Boulder Colorado, United States
- Boulder Western Australia, Australia
- Boulder Montana, United States
- Boulder Wyoming, United States
- Boulder Idaho, 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
- Panorama Hills — 6.1 km
- Harbor Light Bay — 6.3 km
- Keyesport — 6.5 km
- North Harbor — 6.7 km
- Keyesport Landing — 7.8 km
- Ferrin — 9.7 km
Time and daylight in Boulder
Boulder takes in 12 postal codes.
The name of the time zone in Boulder is America/Chicago, and it runs UTC−5. Daylight saving time: Yes.
The horizon brightens over Boulder at 6:33 AM, and the sun sets at 7:20 PM. Daylight runs 12 h 47 min.
The local time of Boulder is shared by neighbouring Panorama Hills and Harbor Light Bay.
Questions and answers
- What is the time zone for Boulder?
- The time zone for Boulder is America/Chicago, with an offset of −5.
- Does daylight saving time reach Boulder?
- Daylight saving time in Boulder: Yes.
- When should I expect the sun to set in Boulder?
- Expect it at 7:20 PM.