Tokyo to Westmont time converter

Westmont is 16 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 5:00 PM (Tue, Oct 20) in Westmont.

Tokyo JST

Wednesday, October 21, 2026

Westmont PDT

Tuesday, October 20, 2026

Tokyo
Japan
Wed, Oct 21
JSTUTC+9
Westmont
California, United States
Tue, Oct 20
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Westmont conversion table

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

TokyoWestmont
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 Westmont).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 21, 2027: -16h

Distance

Tokyo and Westmont are 8,818 km (5,479 miles) apart in a straight line.

More conversions

Westmont 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 WestmontLondon to WestmontLos Angeles to WestmontChicago to WestmontToronto to WestmontSão Paulo to WestmontParis to WestmontBerlin to WestmontMoscow to WestmontDubai to WestmontNew Delhi to WestmontBangkok to Westmont

Questions and answers

What is the time difference between Tokyo and Westmont?

Westmont is 16 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 5:00 PM (Tue, Oct 20) in Westmont.

When is the best time to call Westmont from Tokyo?

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

Does the time difference between Tokyo and Westmont change?

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