Costa Mesa, CA to Toronto: time difference
Toronto is 3 h ahead of Costa Mesa, CA. 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.
Costa Mesa, CA 08:39 8:39 AM Toronto 11:39 11:39 AM You –:–
08:39 8:39 AM
Pacific Daylight Time · UTC-7
☀️ 06:59 · 🌙 18:17
11:39 11:39 AM
Eastern Daylight Time · UTC-4
☀️ 07:35 · 🌙 18:32
·
+3 h
Toronto is 3 h ahead of Costa Mesa, CA.
When you, Costa Mesa, CA and Toronto are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Costa Mesa, CA
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
🇨🇦 Toronto
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Costa Mesa, CA | 🇨🇦 Toronto |
|---|---|---|
| Local time | 08:39 | 11:39 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Costa Mesa, CA | — | +3 h |
| IANA zone | America/Los Angeles | America/Toronto |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:59 | 07:35 |
| Sunset | 18:17 | 18:32 |
| Daylight | 11 h 18 min | 10 h 58 min |
| People on this clock | 109,960 | 2,731,571 |
Compare Costa Mesa, CA with another city
More comparisons with Costa Mesa, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Costa Mesa, CA and Toronto: common questions
What is the time difference between Costa Mesa, CA, and Toronto?
Toronto is 3 hours ahead: it uses UTC−4, while Costa Mesa is on UTC−7.
What time is it in Toronto when it is 9:00 AM in Costa Mesa, CA?
When it is 9:00 AM in Costa Mesa, it is 12:00 PM in Toronto.
What time is it in Toronto when it is 6:00 PM in Costa Mesa, CA?
When it is 6:00 PM in Costa Mesa, it is 9:00 PM in Toronto.
When is a good time to call Toronto from Costa Mesa, CA?
Between 9:00 AM and 3:00 PM in Costa Mesa – that is 12:00 PM to 6:00 PM in Toronto – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Toronto compared with Costa Mesa, CA?
The new day starts in Toronto earlier: at 9:00 PM in Costa Mesa it is already midnight there. Until 3:00 AM in Toronto, Costa Mesa is still on the previous day.
Does the time gap between Costa Mesa, CA, and Toronto change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
