Back Bay to Tokyo time converter

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

Back Bay EDT

Sunday, October 18, 2026

Tokyo JST

Sunday, October 18, 2026

Back Bay
Massachusetts, United States
Sun, Oct 18
EDTUTC-4
Tokyo
Japan
Sun, Oct 18
JSTUTC+9+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Back Bay to Tokyo conversion table

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

Back BayTokyo
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 Back Bay (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 Back Bay and Tokyo switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 18, 2027: +13h

Distance

Back Bay and Tokyo are 10,791 km (6,705 miles) apart in a straight line.

More conversions

Tokyo to Back BayBack Bay to New YorkBack Bay to LondonBack Bay to Los AngelesBack Bay to ChicagoBack Bay to TorontoBack Bay to São PauloBack Bay to ParisBack Bay to BerlinBack Bay to MoscowBack Bay to DubaiBack Bay to New DelhiBack Bay 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 Back Bay and Tokyo?

Tokyo is 13 hours ahead of Back Bay.

What time is it in Tokyo when it is 9 AM in Back Bay?

When it is 9:00 AM in Back Bay, it is 10:00 PM in Tokyo.

When is the best time to call Tokyo from Back Bay?

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

Does the time difference between Back Bay 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.