Santo Tomé to Tokyo time converter

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

Santo Tomé ART

Monday, October 19, 2026

Tokyo JST

Tuesday, October 20, 2026

Santo Tomé
Argentina
Mon, Oct 19
ARTUTC-3
Tokyo
Japan
Tue, Oct 20
JSTUTC+9+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Santo Tomé to Tokyo conversion table

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

Santo ToméTokyo
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 Santo Tomé (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 stays 12 hours all year.

Distance

Santo Tomé and Tokyo are 18,074 km (11,231 miles) apart in a straight line.

More conversions

Tokyo to Santo ToméSanto Tomé to New YorkSanto Tomé to LondonSanto Tomé to Los AngelesSanto Tomé to ChicagoSanto Tomé to TorontoSanto Tomé to São PauloSanto Tomé to ParisSanto Tomé to BerlinSanto Tomé to MoscowSanto Tomé to DubaiSanto Tomé to New DelhiSanto Tomé 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 Santo Tomé and Tokyo?

Tokyo is 12 hours ahead of Santo Tomé.

What time is it in Tokyo when it is 9 AM in Santo Tomé?

When it is 9:00 AM in Santo Tomé, it is 9:00 PM in Tokyo.

When is the best time to call Tokyo from Santo Tomé?

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

Does the time difference between Santo Tomé and Tokyo change?

No. The difference stays 12 hours all year.