Tokyo to São Martinho time converter

São Martinho is 8 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 1:00 AM in São Martinho.

Tokyo JST

Wednesday, October 21, 2026

São Martinho WEST

Tuesday, October 20, 2026

Tokyo
Japan
Wed, Oct 21
JSTUTC+9
São Martinho
Portugal
Tue, Oct 20
WESTUTC+1-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to São Martinho conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Tokyo (9:00 AM – 10:00 AM in São Martinho).

Daylight saving time and the difference

The difference changes during the year because Tokyo and São Martinho switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -9h
  • Mar 28, 2027 – Oct 21, 2027: -8h

Distance

Tokyo and São Martinho are 12,036 km (7,479 miles) apart in a straight line.

More conversions

São Martinho 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 São MartinhoLondon to São MartinhoLos Angeles to São MartinhoChicago to São MartinhoToronto to São MartinhoSão Paulo to São MartinhoParis to São MartinhoBerlin to São MartinhoMoscow to São MartinhoDubai to São MartinhoNew Delhi to São MartinhoBangkok to São Martinho

Questions and answers

What is the time difference between Tokyo and São Martinho?

São Martinho is 8 hours behind Tokyo.

What time is it in São Martinho when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 1:00 AM in São Martinho.

When is the best time to call São Martinho from Tokyo?

Both sides are at work from 5:00 PM – 6:00 PM in Tokyo (9:00 AM – 10:00 AM in São Martinho).

Does the time difference between Tokyo and São Martinho change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.