East Boston to Tokyo time converter

Tokyo is 13 hours ahead of East Boston. When it is 9:00 AM in East Boston, it is 10:00 PM in Tokyo.

East Boston EDT

Tuesday, October 20, 2026

Tokyo JST

Wednesday, October 21, 2026

East Boston
Massachusetts, United States
Tue, Oct 20
EDTUTC-4
Tokyo
Japan
Wed, Oct 21
JSTUTC+9+13h
Finding your time zone…
Shared working hours (9:00–18:00)

East Boston to Tokyo conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in East Boston (9:00 AM – 11:00 AM 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 East Boston and Tokyo switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 20, 2027: +13h

Distance

East Boston and Tokyo are 10,790 km (6,705 miles) apart in a straight line.

More conversions

Tokyo to East BostonEast Boston to New YorkEast Boston to LondonEast Boston to Los AngelesEast Boston to ChicagoEast Boston to TorontoEast Boston to São PauloEast Boston to ParisEast Boston to BerlinEast Boston to MoscowEast Boston to DubaiEast Boston to New DelhiEast Boston 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 East Boston and Tokyo?

Tokyo is 13 hours ahead of East Boston.

What time is it in Tokyo when it is 9 AM in East Boston?

When it is 9:00 AM in East Boston, it is 10:00 PM in Tokyo.

When is the best time to call Tokyo from East Boston?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in East Boston (9:00 AM – 11:00 AM in Tokyo): working hours on one side, early or late on the other.

Does the time difference between East Boston 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.