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
The time in Ontario, Illinois, United States at this very moment is shown below, in the America/Chicago zone (−6).
Ontario, United States
Saturday, 7 November 2026
UTC−6 · America/Chicago
Local time in Ontario
UTC−6 · no daylight saving time
Local time in Ontario, Illinois.
Sunrise 6:40 AM Solar noon 11:46 AM Sunset 4:52 PM Daylight 10 h 11 min Night 13 h 49 min Civil twilight 6:11 AM – 5:21 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
Sunrise comes to Ontario at 6:40 AM and sunset at 4:52 PM today. Together that makes 10 h 11 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−6. Seasonal clock change applies: No.