Toronto to Costa Mesa time converter

Costa Mesa is 3 hours behind Toronto. When it is 9:00 AM in Toronto, it is 6:00 AM in Costa Mesa.

Toronto EDT

Sunday, October 18, 2026

Costa Mesa PDT

Sunday, October 18, 2026

Toronto
Ontario, Canada
Sun, Oct 18
EDTUTC-4
Costa Mesa
California, United States
Sun, Oct 18
PDTUTC-7-3h
Finding your time zone…
Shared working hours (9:00–18:00)

Toronto to Costa Mesa conversion table

Every hour of today in Toronto and the matching time in Costa Mesa. Light rows are typical working hours (9:00–18:00).

TorontoCosta Mesa
12:00 AM9:00 PM−1 day
1:00 AM10:00 PM−1 day
2:00 AM11:00 PM−1 day
3:00 AM12:00 AM
4:00 AM1:00 AM
5:00 AM2:00 AM
6:00 AM3:00 AM
7:00 AM4:00 AM
8:00 AM5:00 AM
9:00 AM6:00 AM
10:00 AM7:00 AM
11:00 AM8:00 AM
12:00 PM9:00 AM
1:00 PM10:00 AM
2:00 PM11:00 AM
3:00 PM12:00 PM
4:00 PM1:00 PM
5:00 PM2:00 PM
6:00 PM3:00 PM
7:00 PM4:00 PM
8:00 PM5:00 PM
9:00 PM6:00 PM
10:00 PM7:00 PM
11:00 PM8:00 PM

Best time to call or meet

Both sides are at work from 12:00 PM – 6:00 PM in Toronto (9:00 AM – 3:00 PM in Costa Mesa).

Daylight saving time and the difference

The difference changes during the year because Toronto and Costa Mesa switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -3h
  • Nov 1, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Oct 18, 2027: -3h

Distance

Toronto and Costa Mesa are 3,490 km (2,169 miles) apart in a straight line.

More conversions

Costa Mesa to TorontoToronto to New YorkToronto to LondonToronto to Los AngelesToronto to ChicagoToronto to São PauloToronto to ParisToronto to BerlinToronto to MoscowToronto to DubaiToronto to New DelhiToronto to BangkokToronto to Singapore
New York to Costa MesaLondon to Costa MesaLos Angeles to Costa MesaChicago to Costa MesaSão Paulo to Costa MesaParis to Costa MesaBerlin to Costa MesaMoscow to Costa MesaDubai to Costa MesaNew Delhi to Costa MesaBangkok to Costa MesaSingapore to Costa Mesa

Questions and answers

What is the time difference between Toronto and Costa Mesa?

Costa Mesa is 3 hours behind Toronto.

What time is it in Costa Mesa when it is 9 AM in Toronto?

When it is 9:00 AM in Toronto, it is 6:00 AM in Costa Mesa.

When is the best time to call Costa Mesa from Toronto?

Both sides are at work from 12:00 PM – 6:00 PM in Toronto (9:00 AM – 3:00 PM in Costa Mesa).

Does the time difference between Toronto and Costa Mesa change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.