San Juan to Tokyo time converter

Tokyo is 15 hours ahead of San Juan. When it is 9:00 AM in San Juan, it is 12:00 AM (Thu, Oct 22) in Tokyo.

San Juan CST

Wednesday, October 21, 2026

Tokyo JST

Thursday, October 22, 2026

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

San Juan to Tokyo conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in San Juan (7:00 AM – 9:00 AM in Tokyo): 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

San Juan and Tokyo are 13,174 km (8,186 miles) apart in a straight line.

More conversions

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

Tokyo is 15 hours ahead of San Juan.

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

When it is 9:00 AM in San Juan, it is 12:00 AM (Thu, Oct 22) in Tokyo.

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

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

Does the time difference between San Juan and Tokyo change?

No. The difference stays 15 hours all year.