Tokyo to San Diego time converter

San Diego is 15 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 6:00 PM (Wed, Oct 21) in San Diego.

Tokyo JST

Thursday, October 22, 2026

San Diego CST

Wednesday, October 21, 2026

Tokyo
Japan
Thu, Oct 22
JSTUTC+9
San Diego
Costa Rica
Wed, Oct 21
CSTUTC-6-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to San Diego conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Tokyo (4:00 PM – 6:00 PM in San Diego): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 15 hours all year.

Distance

Tokyo and San Diego are 13,184 km (8,192 miles) apart in a straight line.

More conversions

San Diego 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 San DiegoLondon to San DiegoLos Angeles to San DiegoChicago to San DiegoToronto to San DiegoSão Paulo to San DiegoParis to San DiegoBerlin to San DiegoMoscow to San DiegoDubai to San DiegoNew Delhi to San DiegoBangkok to San Diego

Questions and answers

What is the time difference between Tokyo and San Diego?

San Diego is 15 hours behind Tokyo.

What time is it in San Diego when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 6:00 PM (Wed, Oct 21) in San Diego.

When is the best time to call San Diego from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Tokyo (4:00 PM – 6:00 PM in San Diego): working hours on one side, early or late on the other.

Does the time difference between Tokyo and San Diego change?

No. The difference stays 15 hours all year.