Toronto to Ontario, CA: time difference
Ontario, CA is 3 h behind Toronto. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Toronto 17:55 5:55 PM Ontario, CA 14:55 2:55 PM You –:–
17:55 5:55 PM
Eastern Daylight Time · UTC-4
☀️ 07:35 · 🌙 18:32
14:55 2:55 PM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
·
−3 h
Ontario, CA is 3 h behind Toronto.
When you, Toronto and Ontario, CA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Toronto
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Ontario, CA
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Toronto | 🇺🇸 Ontario, CA |
|---|---|---|
| Local time | 17:55 | 14:55 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Toronto | — | −3 h |
| IANA zone | America/Toronto | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:35 | 06:58 |
| Sunset | 18:32 | 18:15 |
| Daylight | 10 h 58 min | 11 h 17 min |
| People on this clock | 2,731,571 | 185,000 |
Compare Toronto with another city
More comparisons with Toronto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toronto and Ontario, CA: common questions
How many hours behind Toronto is Ontario, CA?
The clocks in Ontario are 3 hours behind those in Toronto (UTC−7 and UTC−4).
What time is it in Ontario, CA, at the start of the working day in Toronto?
The working day in Toronto starts at 9:00 AM; in Ontario it is 6:00 AM at that moment.
If it is 6:00 PM in Toronto, what time is it in Ontario, CA?
At 6:00 PM in Toronto, clocks in Ontario show 3:00 PM.
When is a good time to call Ontario, CA, from Toronto?
Between 12:00 PM and 6:00 PM in Toronto – that is 9:00 AM to 3:00 PM in Ontario – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Ontario, CA, compared with Toronto?
The new day starts in Ontario later: until 3:00 AM in Toronto, it is still the previous day there. From 9:00 PM in Ontario, Toronto is already on the next day.
Does the time difference between Toronto and Ontario, CA, change?
No. The clocks in Toronto and in Ontario change on the same dates, so the difference stays 3 hours.
