Tokyo to East Boston time converter

East Boston is 13 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 8:00 PM (Tue, Oct 20) in East Boston.

Tokyo JST

Wednesday, October 21, 2026

East Boston EDT

Tuesday, October 20, 2026

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

Tokyo to East Boston conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Tokyo and East Boston switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 21, 2027: -13h

Distance

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

More conversions

East Boston 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 East BostonLondon to East BostonLos Angeles to East BostonChicago to East BostonToronto to East BostonSão Paulo to East BostonParis to East BostonBerlin to East BostonMoscow to East BostonDubai to East BostonNew Delhi to East BostonBangkok to East Boston

Questions and answers

What is the time difference between Tokyo and East Boston?

East Boston is 13 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 8:00 PM (Tue, Oct 20) in East Boston.

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

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

Does the time difference between Tokyo and East Boston change?

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