Diamond Bar to Tokyo time converter

Tokyo is 16 hours ahead of Diamond Bar. When it is 9:00 AM in Diamond Bar, it is 1:00 AM (Mon, Oct 19) in Tokyo.

Diamond Bar PDT

Sunday, October 18, 2026

Tokyo JST

Monday, October 19, 2026

Diamond Bar
California, United States
Sun, Oct 18
PDTUTC-7
Tokyo
Japan
Mon, Oct 19
JSTUTC+9+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Diamond Bar to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Oct 18, 2027: +16h

Distance

Diamond Bar and Tokyo are 8,849 km (5,499 miles) apart in a straight line.

More conversions

Tokyo to Diamond BarDiamond Bar to New YorkDiamond Bar to LondonDiamond Bar to Los AngelesDiamond Bar to ChicagoDiamond Bar to TorontoDiamond Bar to São PauloDiamond Bar to ParisDiamond Bar to BerlinDiamond Bar to MoscowDiamond Bar to DubaiDiamond Bar to New DelhiDiamond Bar to Bangkok
New York to TokyoLondon to TokyoLos Angeles to TokyoChicago to TokyoToronto to TokyoSão Paulo to TokyoParis to TokyoBerlin to TokyoMoscow to TokyoDubai to TokyoNew Delhi to TokyoBangkok to Tokyo

Questions and answers

What is the time difference between Diamond Bar and Tokyo?

Tokyo is 16 hours ahead of Diamond Bar.

What time is it in Tokyo when it is 9 AM in Diamond Bar?

When it is 9:00 AM in Diamond Bar, it is 1:00 AM (Mon, Oct 19) in Tokyo.

When is the best time to call Tokyo from Diamond Bar?

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

Does the time difference between Diamond Bar and Tokyo change?

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