Tokyo to Ontario time converter

Ontario is 16 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 5:00 PM (Wed, Oct 21) in Ontario.

Tokyo JST

Thursday, October 22, 2026

Ontario PDT

Wednesday, October 21, 2026

Tokyo
Japan
Thu, Oct 22
JSTUTC+9
Ontario
California, United States
Wed, Oct 21
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Ontario conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in Ontario).

Daylight saving time and the difference

The difference changes during the year because Tokyo and Ontario switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 22, 2027: -16h

Distance

Tokyo and Ontario are 8,859 km (5,505 miles) apart in a straight line.

More conversions

Ontario to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to OntarioLondon to OntarioLos Angeles to OntarioChicago to OntarioToronto to OntarioSão Paulo to OntarioParis to OntarioBerlin to OntarioMoscow to OntarioDubai to OntarioNew Delhi to OntarioBangkok to Ontario

Questions and answers

What is the time difference between Tokyo and Ontario?

Ontario is 16 hours behind Tokyo.

What time is it in Ontario when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 5:00 PM (Wed, Oct 21) in Ontario.

When is the best time to call Ontario from Tokyo?

Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in Ontario).

Does the time difference between Tokyo and Ontario change?

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