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Time difference

Tokyo to Dublin time difference

Dublin is 8h behind Tokyo (as of 2026-09-30).

Tokyo does not use daylight saving time. Dublin does, so the gap changes twice a year.

Check this pair in the DST Drift Checker

Every gap change in 2026 and 2027

Gap means how far Dublin is from Tokyo. Times are local at the moment the new gap starts.

2026

Tokyo timeDublin timeGap
Sun, Mar 29, 10:00Sun, Mar 29, 02:009h behind to 8h behind (shrinks)
Sun, Oct 25, 10:00Sun, Oct 25, 01:008h behind to 9h behind (grows)

2027

Tokyo timeDublin timeGap
Sun, Mar 28, 10:00Sun, Mar 28, 02:009h behind to 8h behind (shrinks)
Sun, Oct 31, 10:00Sun, Oct 31, 01:008h behind to 9h behind (grows)

Business hours overlap

  • 9h behind: Working days of 9:00 to 18:00: no shared hours. Working days of 8:00 to 20:00: 3h shared (Tokyo 17:00 to 20:00 is Dublin 08:00 to 11:00).
  • 8h behind: Working days of 9:00 to 18:00: 1h shared (Tokyo 17:00 to 18:00 is Dublin 09:00 to 10:00). Working days of 8:00 to 20:00: 4h shared (Tokyo 16:00 to 20:00 is Dublin 08:00 to 12:00).

FAQ

What is the time difference between Tokyo and Dublin?

Dublin is 9h behind from Jan 1, 2026, then 8h behind from Mar 29, 2026, then 9h behind from Oct 25, 2026, then 8h behind from Mar 28, 2027, then 9h behind from Oct 31, 2027. The exact number depends on daylight saving time.

When does the time difference between Tokyo and Dublin change?

It changes on Mar 29, 2026, Oct 25, 2026, Mar 28, 2027, Oct 31, 2027 (dates in Tokyo time).

What are good meeting times for Tokyo and Dublin?

Working days of 9:00 to 18:00: no shared hours. Working days of 8:00 to 20:00: 3h shared (Tokyo 17:00 to 20:00 is Dublin 08:00 to 11:00). Check the table above because the gap moves on the dates listed.

Related pairs

Data comes from the IANA time zone database as built into Node.js. Later rule changes by governments can move these dates.

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