Tokyo to Westford time converter

Westford is 13 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 8:00 PM (Mon, Oct 19) in Westford.

Tokyo JST

Tuesday, October 20, 2026

Westford EDT

Monday, October 19, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Westford
Massachusetts, United States
Mon, Oct 19
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Westford conversion table

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

TokyoWestford
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 Westford): 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 Westford 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

Tokyo and Westford are 10,756 km (6,683 miles) apart in a straight line.

More conversions

Westford 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 WestfordLondon to WestfordLos Angeles to WestfordChicago to WestfordToronto to WestfordSão Paulo to WestfordParis to WestfordBerlin to WestfordMoscow to WestfordDubai to WestfordNew Delhi to WestfordBangkok to Westford

Questions and answers

What is the time difference between Tokyo and Westford?

Westford is 13 hours behind Tokyo.

What time is it in Westford when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 8:00 PM (Mon, Oct 19) in Westford.

When is the best time to call Westford 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 Westford): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Westford change?

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