Eureka in numbers
- Coordinates
- 40.7214, -89.2729
- Elevation
- 234 m above sea level
- Population
- 5 377
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1064 km away
- Same name
- 67 more places in the world share this name
What time is it in Eureka, Illinois, United States
The local time of Eureka, Illinois, United States is presented here, in line with the America/Chicago zone (−5).
Eureka, United States
Friday, 23 October 2026
UTC−5 · America/Chicago
Local time in Eureka
UTC−5 · daylight saving time is active
Local time in Eureka, Illinois.
The sun today
Sunrise 7:18 AM Solar noon 12:42 PM Sunset 6:07 PM Daylight 10 h 49 min Night 13 h 11 min Civil twilight 6:50 AM – 6:35 PM
Weather in Eureka right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Eureka and its neighbours
Postal codes
- 48833
- 54934
- 57437
- 59917
- 61530
- 63025
- 67045
- 84628
- 89316
- 95501
- 95502
- 95503
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 Eureka
- Eureka California, United States
- Eureka Missouri, United States
- Eureka Kansas, United States
- Eureka Montana, United States
- Eureka South Dakota, 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
- Enchanted Gardens Mobile Home Park — 1.4 km
- Cruger — 3.1 km
- Woodford County — 9.1 km
- Goodfield — 10.2 km
- Roanoke — 10.5 km
- Bowling Green (historical) — 10.6 km
Eureka: clock, sun and surroundings
There are 12 postal code zones in Eureka.
Eureka uses the America/Chicago time zone with a UTC−5 offset. Whether daylight saving time is used: Yes.
First light in Eureka comes at 7:18 AM today; darkness returns after 6:07 PM. The day gives 10 h 49 min of light.
There is no time difference between Eureka and nearby Enchanted Gardens Mobile Home Park or Cruger.
Questions and answers
- Which time zone entry corresponds to Eureka?
- The entry corresponding to Eureka is America/Chicago, with an offset of −5.
- Is the offset in Eureka changed for daylight saving?
- Yes.
- What hour brings sunrise in Eureka?
- The hour is 7:18 AM.