Costa Mesa to Tokyo time converter

Tokyo is 16 hours ahead of Costa Mesa. When it is 9:00 AM in Costa Mesa, it is 1:00 AM (Sat, Oct 17) in Tokyo.

Costa Mesa PDT

Friday, October 16, 2026

Tokyo JST

Saturday, October 17, 2026

Costa Mesa
California, United States
Fri, Oct 16
PDTUTC-7
Tokyo
Japan
Sat, Oct 17
JSTUTC+9+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Costa Mesa to Tokyo conversion table

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

Costa MesaTokyo
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 Costa Mesa (9:00 AM – 10:00 AM in Tokyo).

Daylight saving time and the difference

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

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

Distance

Costa Mesa and Tokyo are 8,867 km (5,510 miles) apart in a straight line.

More conversions

Tokyo to Costa MesaCosta Mesa to New YorkCosta Mesa to LondonCosta Mesa to Los AngelesCosta Mesa to ChicagoCosta Mesa to TorontoCosta Mesa to São PauloCosta Mesa to ParisCosta Mesa to BerlinCosta Mesa to MoscowCosta Mesa to DubaiCosta Mesa to New DelhiCosta Mesa 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 Costa Mesa and Tokyo?

Tokyo is 16 hours ahead of Costa Mesa.

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

When it is 9:00 AM in Costa Mesa, it is 1:00 AM (Sat, Oct 17) in Tokyo.

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

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

Does the time difference between Costa Mesa 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.