Convert any time between Dublin and Tokyo, see the full 24-hour table, and find the hours when both cities are actually awake.

Dublin to Tokyo Time Difference

Tokyo is 8 hours ahead of Dublin. When it's 05:27:04 PM in Dublin, it's 01:27:04 AM in Tokyo.

Ireland
05:27:04 PM
Sunday, October 11, 2026
IST (UTC+1:00)
+8:00
hours difference
⇆ Reverse
Japan
01:27:04 AM
Monday, October 12, 2026
JST (UTC+9:00)

How Many Hours Ahead Is Tokyo From Dublin?

Tokyo is 8 hours ahead of Dublin. So Dublin is 8 hours behind Tokyo looking the other way — the same gap, described from the other end.

In practice that means a working day in Dublin starts when it is already 5:00 PM in Tokyo. 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 Dublin and Tokyo

Standard 9-to-5 hours in Dublin and Tokyo never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 2:00 PM in Dublin, which is 3:00 PM to 10:00 PM in Tokyo.

both at work Dublin only Tokyo only neither  —  hours shown along the strip are Dublin local time.

Convert a Specific Time

Pick any date and time in Dublin to see the exact equivalent in Tokyo.

→
Tokyo: 01:27:04 AM — Monday, October 12, 2026

Dublin to Tokyo: Full 24-Hour Conversion Table

Based on today, Sunday, October 11, 2026 in Dublin. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.

Dublin Tokyo Working hours
12:00 AM 8:00 AM —
1:00 AM 9:00 AM Tokyo only
2:00 AM 10:00 AM Tokyo only
3:00 AM 11:00 AM Tokyo only
4:00 AM 12:00 PM Tokyo only
5:00 AM 1:00 PM Tokyo only
6:00 AM 2:00 PM Tokyo only
7:00 AM 3:00 PM Tokyo only
8:00 AM 4:00 PM Tokyo only
9:00 AM 5:00 PM Dublin only
10:00 AM 6:00 PM Dublin only
11:00 AM 7:00 PM Dublin only
12:00 PM 8:00 PM Dublin only
1:00 PM 9:00 PM Dublin only
2:00 PM 10:00 PM Dublin only
3:00 PM 11:00 PM Dublin only
4:00 PM 12:00 AM next day Dublin only
5:00 PM 1:00 AM next day —
6:00 PM 2:00 AM next day —
7:00 PM 3:00 AM next day —
8:00 PM 4:00 AM next day —
9:00 PM 5:00 AM next day —
10:00 PM 6:00 AM next day —
11:00 PM 7:00 AM next day —

Understanding the Dublin – Tokyo Time Difference

Dublin runs on Europe/Dublin, currently IST (UTC+1:00). Tokyo runs on Asia/Tokyo, currently JST (UTC+9:00). 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.

Dublin today

Sunrise7:44 AM
Sunset6:38 PM
Daylight10h 54m

Tokyo today

Sunrise5:44 AM
Sunset5:12 PM
Daylight11h 28m

Frequently Asked Questions

What is the time difference between Dublin and Tokyo?

Tokyo is currently 8 hours ahead of Dublin. That gap becomes 9 hours on Sunday, October 25, 2026, when Dublin changes its clocks.

How many hours ahead is Tokyo from Dublin?

Tokyo is 8 hours ahead of Dublin. Looking at it the other way, Dublin is 8 hours behind Tokyo.

What time is it in Tokyo when it is 9:00 AM in Dublin?

When it is 9:00 AM in Dublin, it is 5:00 PM in Tokyo.

Is Tokyo ahead of or behind Dublin?

Tokyo is 8 hours ahead of Dublin. Tokyo reaches each point in the day first, so its working day is already finishing while Dublin is still getting started.

What is the best time to call between Dublin and Tokyo?

Standard business hours in Dublin and Tokyo do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 2:00 PM in Dublin, which is 3:00 PM to 10:00 PM in Tokyo.

Does the time difference between Dublin and Tokyo 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 Dublin and Tokyo in?

Dublin uses the Europe/Dublin time zone, currently IST (UTC+1:00). Tokyo uses Asia/Tokyo, currently JST (UTC+9:00).

Need the time difference for a recurring call? Convert between any two of our top supported cities and time zones in seconds.