Tokyo to San Antonio time converter

San Antonio is 12 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 9:00 PM (Wed, Oct 21) in San Antonio.

Tokyo JST

Thursday, October 22, 2026

San Antonio UTC-3

Wednesday, October 21, 2026

Tokyo
Japan
Thu, Oct 22
JSTUTC+9
San Antonio
Paraguay
Wed, Oct 21
UTC-3-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to San Antonio conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Tokyo (9:00 PM – 10:00 PM in San Antonio): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 12 hours all year.

Distance

Tokyo and San Antonio are 18,013 km (11,193 miles) apart in a straight line.

More conversions

San Antonio 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 AntonioLondon to San AntonioLos Angeles to San AntonioChicago to San AntonioToronto to San AntonioSão Paulo to San AntonioParis to San AntonioBerlin to San AntonioMoscow to San AntonioDubai to San AntonioNew Delhi to San AntonioBangkok to San Antonio

Questions and answers

What is the time difference between Tokyo and San Antonio?

San Antonio is 12 hours behind Tokyo.

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

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

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

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Tokyo (9:00 PM – 10:00 PM in San Antonio): working hours on one side, early or late on the other.

Does the time difference between Tokyo and San Antonio change?

No. The difference stays 12 hours all year.