Does Ireland change its clocks?
Yes. Ireland changes its clocks. The next change is on Sun 28 Mar 2027 at 01:00: clocks go forward 1 hour, to UTC+1 (IST).
The rule behind the dates
For Dublin, the time zone data shows the same rule for every change in the next ten years. Clocks go forward 1 hour on the last Sunday of March at 01:00 local time, and go back 1 hour on the last Sunday of October at 02:00 local time.
Upcoming clock changes in Ireland
| Where | Date | Local time | What happens |
|---|---|---|---|
| Dublin | Sun 28 Mar 2027 | 01:00 | Clocks go forward 1 hour, to UTC+1 (IST) |
| Dublin | Sun 31 Oct 2027 | 02:00 | Clocks go back 1 hour, to UTC+0 (GMT) |
| Dublin | Sun 26 Mar 2028 | 01:00 | Clocks go forward 1 hour, to UTC+1 (IST) |
| Dublin | Sun 29 Oct 2028 | 02:00 | Clocks go back 1 hour, to UTC+0 (GMT) |
The local time is the time on the clock just before the change. Dates are for the next 26 months.
Time zones in Ireland
Places that share the same time and the same clock changes are grouped. The first place in each row is the best known.
| Places | Time now | Next clock change |
|---|---|---|
| Dublin | UTC+0 (GMT) | Sun 28 Mar 2027 at 01:00 |
Time zone abbreviations used here: GMT, IST.
Recent clock changes in Dublin
- Sun 25 Oct 2026 at 02:00: clocks go back 1 hour, to UTC+0 (GMT).
- Sun 29 Mar 2026 at 01:00: clocks go forward 1 hour, to UTC+1 (IST).
- Sun 26 Oct 2025 at 02:00: clocks go back 1 hour, to UTC+0 (GMT).
These are the last three changes in the time zone database. Dublin is the main time zone used on this page.
The tables below compare the main time zone, Dublin, with other cities.
Time difference between Ireland and other cities
| City | Compared with Ireland, now | Changes in the next 12 months |
|---|---|---|
| New York City | 5 hours behind | Sun 14 Mar 2027, 07:00 UTC: 4 hours behind Sun 28 Mar 2027, 01:00 UTC: 5 hours behind Sun 31 Oct 2027, 01:00 UTC: 4 hours behind |
| Los Angeles | 8 hours behind | Sun 14 Mar 2027, 10:00 UTC: 7 hours behind Sun 28 Mar 2027, 01:00 UTC: 8 hours behind Sun 31 Oct 2027, 01:00 UTC: 7 hours behind |
| London | Same time | No change |
| Dubai | 4 hours ahead | Sun 28 Mar 2027, 01:00 UTC: 3 hours ahead Sun 31 Oct 2027, 01:00 UTC: 4 hours ahead |
| Mumbai | 5 hours 30 minutes ahead | Sun 28 Mar 2027, 01:00 UTC: 4 hours 30 minutes ahead Sun 31 Oct 2027, 01:00 UTC: 5 hours 30 minutes ahead |
| Singapore | 8 hours ahead | Sun 28 Mar 2027, 01:00 UTC: 7 hours ahead Sun 31 Oct 2027, 01:00 UTC: 8 hours ahead |
| Tokyo | 9 hours ahead | Sun 28 Mar 2027, 01:00 UTC: 8 hours ahead Sun 31 Oct 2027, 01:00 UTC: 9 hours ahead |
| Sydney | 11 hours ahead | Sun 28 Mar 2027, 01:00 UTC: 10 hours ahead Sat 3 Apr 2027, 16:00 UTC: 9 hours ahead Sat 2 Oct 2027, 16:00 UTC: 10 hours ahead Sun 31 Oct 2027, 01:00 UTC: 11 hours ahead |
A gap changes when the two places change their clocks on different dates. Dates are in UTC.
Working hours that overlap with Ireland
When it is 09:00 to 17:00 in Ireland, where is it also a working day (09:00 to 17:00)? This uses today’s clock settings, so check the meeting planner for weeks when clocks change.
| City | Shared working hours |
|---|---|
| New York City | 14:00 to 17:00 in Ireland (09:00 to 12:00 in New York City) |
| Los Angeles | No shared working hours |
| London | 09:00 to 17:00 in Ireland (09:00 to 17:00 in London) |
| Dubai | 09:00 to 13:00 in Ireland (13:00 to 17:00 in Dubai) |
| Mumbai | 09:00 to 11:30 in Ireland (14:30 to 17:00 in Mumbai) |
| Singapore | No shared working hours |
| Tokyo | No shared working hours |
| Sydney | No shared working hours |