San Antonio to Tokyo time converter

Tokyo is 12 hours ahead of San Antonio. When it is 9:00 AM in San Antonio, it is 9:00 PM in Tokyo.

San Antonio CLST

Tuesday, October 20, 2026

Tokyo JST

Wednesday, October 21, 2026

San Antonio
Chile
Tue, Oct 20
CLSTUTC-3
Tokyo
Japan
Wed, Oct 21
JSTUTC+9+12h
Finding your time zone…
Shared working hours (9:00–18:00)

San Antonio to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Apr 3, 2027: +12h
  • Apr 3, 2027 – Sep 5, 2027: +13h
  • Sep 5, 2027 – Oct 20, 2027: +12h

Distance

San Antonio and Tokyo are 17,154 km (10,659 miles) apart in a straight line.

More conversions

Tokyo to San AntonioSan Antonio to New YorkSan Antonio to LondonSan Antonio to Los AngelesSan Antonio to ChicagoSan Antonio to TorontoSan Antonio to São PauloSan Antonio to ParisSan Antonio to BerlinSan Antonio to MoscowSan Antonio to DubaiSan Antonio to New DelhiSan Antonio 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 San Antonio and Tokyo?

Tokyo is 12 hours ahead of San Antonio.

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

When it is 9:00 AM in San Antonio, it is 9:00 PM in Tokyo.

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

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

Does the time difference between San Antonio 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.