Ontario in numbers
- Coordinates
- 41.0787, -90.3076
- Elevation
- 246 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1155 km away
- Same name
- 16 more places in the world share this name
What time is it in Ontario, Illinois, United States
The time in Ontario, Illinois, United States at this very moment is shown below, in the America/Chicago zone (−5).
Ontario, United States
Friday, 16 October 2026
UTC−5 · America/Chicago
Local time in Ontario
UTC−5 · daylight saving time is active
Local time in Ontario, Illinois.
The sun today
Sunrise 7:15 AM Solar noon 12:48 PM Sunset 6:21 PM Daylight 11 h 06 min Night 12 h 54 min Civil twilight 6:47 AM – 6:49 PM
Weather in Ontario right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Ontario and its neighbours
Postal codes
- 14519
- 44862
- 54651
- 91758
- 91761
- 91762
- 91764
- 97914
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 Ontario
- Ontario California, United States
- Ontario Oregon, United States
- Ontario Ohio, United States
- Ontario New York, United States
- Ontario Wisconsin, 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
- Wataga — 6.4 km
- Oneida — 6.9 km
- Henderson — 7.2 km
- Rio — 8.4 km
- Soperville — 10.9 km
- Henderson Grove — 10.9 km
Local time details for Ontario
Sunrise comes to Ontario at 7:15 AM and sunset at 6:21 PM today. Together that makes 11 h 06 min of light.
Ontario and its neighbours Wataga and Oneida keep one clock.
Ontario operates with 8 postal codes.
The applicable time zone for Ontario is America/Chicago, offset UTC−5. Seasonal clock change applies: Yes.
Questions and answers
- What is the time zone name for Ontario?
- The time zone name used for Ontario is America/Chicago, with an offset of −5.
- Does daylight saving time reach Ontario?
- Daylight saving time in Ontario: Yes.
- Tell me the sunset hour in Ontario.
- The sunset hour is 6:21 PM.