Tokyo to Dublin Time Difference
Dublin is 8 hours behind Tokyo. When it's 01:27:06 AM in Tokyo, it's 05:27:06 PM in Dublin.
How Many Hours Behind Is Dublin From Tokyo?
Dublin is 8 hours behind Tokyo. So Tokyo is 8 hours ahead of Dublin looking the other way — the same gap, described from the other end.
In practice that means a working day in Tokyo starts when it is already 1:00 AM in Dublin. The gap is not fixed all year: it becomes 9 hours on Sunday, October 25, 2026, when Dublin changes its clocks.
Best Time to Call Tokyo and Dublin
Standard 9-to-5 hours in Tokyo and Dublin never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM in Tokyo, which is 7:00 AM to 2:00 PM in Dublin.
both at work Tokyo only Dublin only neither — hours shown along the strip are Tokyo local time.
Convert a Specific Time
Pick any date and time in Tokyo to see the exact equivalent in Dublin.
Common Times Converted
Tokyo time on the left, Dublin time on the right.
Tokyo to Dublin: Full 24-Hour Conversion Table
Based on today, Monday, October 12, 2026 in Tokyo. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Tokyo | Dublin | Working hours |
|---|---|---|
| 12:00 AM | 4:00 PM prev day | Dublin only |
| 1:00 AM | 5:00 PM prev day | — |
| 2:00 AM | 6:00 PM prev day | — |
| 3:00 AM | 7:00 PM prev day | — |
| 4:00 AM | 8:00 PM prev day | — |
| 5:00 AM | 9:00 PM prev day | — |
| 6:00 AM | 10:00 PM prev day | — |
| 7:00 AM | 11:00 PM prev day | — |
| 8:00 AM | 12:00 AM | — |
| 9:00 AM | 1:00 AM | Tokyo only |
| 10:00 AM | 2:00 AM | Tokyo only |
| 11:00 AM | 3:00 AM | Tokyo only |
| 12:00 PM | 4:00 AM | Tokyo only |
| 1:00 PM | 5:00 AM | Tokyo only |
| 2:00 PM | 6:00 AM | Tokyo only |
| 3:00 PM | 7:00 AM | Tokyo only |
| 4:00 PM | 8:00 AM | Tokyo only |
| 5:00 PM | 9:00 AM | Dublin only |
| 6:00 PM | 10:00 AM | Dublin only |
| 7:00 PM | 11:00 AM | Dublin only |
| 8:00 PM | 12:00 PM | Dublin only |
| 9:00 PM | 1:00 PM | Dublin only |
| 10:00 PM | 2:00 PM | Dublin only |
| 11:00 PM | 3:00 PM | Dublin only |
Understanding the Tokyo – Dublin Time Difference
Tokyo runs on Asia/Tokyo, currently JST (UTC+9:00). Dublin runs on Europe/Dublin, currently IST (UTC+1:00). The gap of 8 hours is simply the distance between those two offsets.
Dublin observes Daylight Saving Time and Tokyo does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, October 25, 2026, when Dublin adjusts its clocks and the difference becomes 9 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Japan.
Tokyo today
Dublin today
Frequently Asked Questions
What is the time difference between Tokyo and Dublin?
Dublin is currently 8 hours behind Tokyo. That gap becomes 9 hours on Sunday, October 25, 2026, when Dublin changes its clocks.
How many hours behind is Dublin from Tokyo?
Dublin is 8 hours behind Tokyo. Looking at it the other way, Tokyo is 8 hours ahead of Dublin.
What time is it in Dublin when it is 9:00 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 1:00 AM in Dublin.
Is Dublin ahead of or behind Tokyo?
Dublin is 8 hours behind Tokyo. Tokyo reaches each point in the day first, so Dublin is still getting started while the Tokyo working day is finishing.
What is the best time to call between Tokyo and Dublin?
Standard business hours in Tokyo and Dublin do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM in Tokyo, which is 7:00 AM to 2:00 PM in Dublin.
Does the time difference between Tokyo and Dublin change during the year?
Yes. Dublin observes Daylight Saving Time and Tokyo does not, so the gap between them shifts during the year. It changes to 9 hours on Sunday, October 25, 2026.
What time zones are Tokyo and Dublin in?
Tokyo uses the Asia/Tokyo time zone, currently JST (UTC+9:00). Dublin uses Europe/Dublin, currently IST (UTC+1:00).