Ontario in numbers
- Coordinates
- 36.9876, -94.7630
- Elevation
- 257 m above sea level
- Region
- Oklahoma
- Country
- United States, North America
- Capital
- Washington, D.C. — 1566 km away
- Same name
- 16 more places in the world share this name
What time is it in Ontario, Oklahoma, United States
This page shows, minute by minute, the local time in Ontario, Oklahoma, United States, in the America/Chicago zone (−5).
Ontario, United States
Wednesday, 28 October 2026
UTC−5 · America/Chicago
Local time in Ontario
UTC−5 · daylight saving time is active
Local time in Ontario, Oklahoma.
The sun today
Sunrise 7:40 AM Solar noon 1:04 PM Sunset 6:28 PM Daylight 10 h 48 min Night 13 h 12 min Civil twilight 7:13 AM – 6:54 PM
Weather in Ontario right now
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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 Oklahoma
- Oklahoma City 681 054
- Tulsa 413 066
- Norman 128 026
- Broken Arrow 106 563
- Lawton 96 655
- Edmond 90 092
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
- Hockerville (historical) — 1.8 km
- Mills (historical) — 2.4 km
- Commonwealth — 2.5 km
- Zincville (historical) — 4.1 km
- Quapaw — 4.3 km
- Baxter Springs — 4.7 km
Time and daylight in Ontario
Mail delivery in Ontario relies on 8 postal codes.
Ontario keeps time under America/Chicago. That places it at UTC−5, with daylight saving time Yes.
Today, Ontario has first light at 7:40 AM and last light at 6:28 PM. Daylight lasts 10 h 48 min.
For Hockerville (historical) and Mills (historical) near Ontario, the clock reads the same.
Questions and answers
- Which time zone is assigned to Ontario?
- The time zone assigned to Ontario is America/Chicago, with an offset of −5.
- Do people in Ontario set their clocks forward in spring?
- Daylight saving in Ontario: Yes.
- Can you tell me the sunrise time in Ontario?
- In Ontario the sun rises at 7:40 AM.