Ontario in numbers
- Coordinates
- 34.0633, -117.6510
- Population
- 171 214
- Region
- California
- Country
- United States, North America
- Capital
- Washington, D.C. — 3641 km away
- Same name
- 16 more places in the world share this name
What time is it in Ontario, California, United States
This page shows the current local time in Ontario, California, United States, in the America/Los_Angeles time zone (−8).
Ontario, United States
Tuesday, 3 November 2026
UTC−8 · America/Los_Angeles
Local time in Ontario
UTC−8 · no daylight saving time
Ontario keeps America/Los_Angeles clock_time.
The sun today
Sunrise 6:13 AM Solar noon 11:35 AM Sunset 4:57 PM Daylight 10 h 44 min Night 13 h 16 min Civil twilight 5:47 AM – 5:23 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 California
- Los Angeles 3 820 914
- San Diego 1 404 452
- San Jose 997 368
- San Francisco 827 526
- Fresno 542 107
- Sacramento 524 943
Other places named Ontario
- Ontario Oregon, United States
- Ontario Ohio, United States
- Ontario New York, United States
- Ontario Wisconsin, United States
- Ontario Limón Province, Costa Rica
Same time zone — America/Los_Angeles
- Los Angeles United States
- San Diego United States
- San Jose United States
- San Francisco United States
- Seattle United States
- Portland United States
Nearby places
- Sunsweet — 3.2 km
- Narod — 3.2 km
- North Ontario — 3.4 km
- Racimo — 3.7 km
- Upland — 3.8 km
- Montclair — 3.9 km
About the time in Ontario
Ontario runs on America/Los_Angeles, which sits UTC−8 relative to Coordinated Universal Time. Daylight saving in effect: No.
Morning light reaches Ontario at 6:13 AM, and the sun sets at 4:57 PM. Daylight lasts a total of 10 h 44 min.
Sunsweet and Narod sit close to Ontario and run on the same clock.
Coverage of Ontario by postal code amounts to 8 entries.
Questions and answers
- What time zone setting should I choose for Ontario?
- Choose America/Los_Angeles for Ontario, with an offset of −8.
- Does Ontario observe daylight saving time?
- No.
- When does morning light reach Ontario?
- At 6:13 AM.