Time in California, United States

Time in Ontario, California now

4:00:00 AM

Tuesday, November 3, 2026

PST · UTC−8 Pacific Standard Time

Sunrise: 6:11 AM
Sunset: 4:56 PM
Day length: 10 h 44 min
Daylight saving: Changes Mar 14, 2027

Ontario time zone

Time zone

Pacific Standard Time (PST), UTC−8. IANA zone America/Los_Angeles.

Clock changes

Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−8 → UTC−7).

Daylight saving dates worldwide

Location

Ontario, California, United States. Coordinates 34.06° N, 117.65° W; population about 171,214.

Sunrise and sunset in Ontario today

Dawn (civil): 5:46 AM
Sunrise: 6:11 AM
Solar noon: 11:34 AM
Sunset: 4:56 PM
Dusk (civil): 5:22 PM
Day length: 10 h 44 min
Night length: 13 h 16 min
Golden hour, morning: 5:56 AM – 6:47 AM
Golden hour, evening: 4:21 PM – 5:12 PM
Blue hour, morning: 5:46 AM – 5:56 AM
Blue hour, evening: 5:12 PM – 5:22 PM

Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.

Ontario time compared with other cities

Hour comparison appears when this page finishes loading.

City	Local time	Difference from Ontario
New York City, New York	7:00 AM	3 hours ahead of Ontario
Chicago, Illinois	6:00 AM	2 hours ahead of Ontario
Denver, Colorado	5:00 AM	1 hour ahead of Ontario
Phoenix, Arizona	5:00 AM	1 hour ahead of Ontario
Honolulu, Hawaii	2:00 AM	2 hours behind Ontario
Anchorage, Alaska	3:00 AM	1 hour behind Ontario
Toronto, Canada	7:00 AM	3 hours ahead of Ontario
Vancouver, Canada	5:00 AM	1 hour ahead of Ontario
Mexico City, Mexico	6:00 AM	2 hours ahead of Ontario
São Paulo, Brazil	9:00 AM	5 hours ahead of Ontario
Buenos Aires, Argentina	9:00 AM	5 hours ahead of Ontario
London, United Kingdom	12:00 PM	8 hours ahead of Ontario
Dublin, Ireland	12:00 PM	8 hours ahead of Ontario
Paris, France	1:00 PM	9 hours ahead of Ontario

Convert a specific date and time · Find a meeting time

Questions about time in Ontario

What time zone is Ontario in?

Ontario uses Pacific Standard Time (PST, UTC−8) as standard time and Pacific Daylight Time (PDT, UTC−7) during daylight saving time. Its IANA time-zone identifier is America/Los_Angeles, which is what phones and computers use to set the local time.

Does Ontario observe daylight saving time?

Yes. Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−8 → UTC−7). The previous change was on Sunday, November 1, 2026.

How far is Ontario from UTC?

Ontario is 8 hours behind UTC on standard time and 7 hours behind UTC during daylight saving time.

What time is sunrise and sunset in Ontario today?

The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:11 AM and set at 4:56 PM, giving 10 h 44 min of daylight.

Near Ontario

More cities in United States

All of United States →