Tokyo to Boston time
TokyoJapan12:44:55 AMMon 28 Sept · JST UTC+9
13 hBoston is behind
BostonUnited States11:44:55 AMSun 27 Sept · EDT UTC−4Synchronising…
Tokyo and Boston time difference
Boston is currently 13 h behind Tokyo. Tokyo is on JST (UTC+09:00) and Boston is on EDT (UTC−04:00).
The difference can change with daylight saving time. The next change is in Boston on Sunday, 1 November 2026, after which Boston will be 14 h behind Tokyo.
If it is 9:00 in Tokyo, what time is it in Boston?
It is 20:00 in Boston (previous day).
What is the best time for a call between Tokyo and Boston?
Use the planner above: green hours are within 9:00–17:00 in both places.