Ireland follows Greenwich Mean Time (GMT, UTC+0) during the winter months and changes to Irish Standard Time (IST, UTC+1) during the daylight saving period. Each year, clocks are advanced on the last Sunday in March and set back on the last Sunday in October, in line with the European Union’s daylight saving schedule. During winter, Ireland shares the same time zone as the United Kingdom, while in summer it aligns with several Western European regions, making travel, business, and international communication straightforward. This Ireland Time Zone Map provides a detailed overview of Ireland’s UTC offset, daylight saving time schedule, seasonal clock changes, and its place within the Western European time zone system.
Ireland follows Greenwich Mean Time (GMT), which is UTC+00:00 during the standard-time period. During daylight saving time, the country changes to Irish Standard Time (IST), which is UTC+01:00. The same official time applies throughout Ireland, including Dublin, Cork, Limerick, Galway, Waterford, Drogheda, Kilkenny, and Sligo.
Yes. Ireland observes daylight saving time. Clocks move forward by one hour on the last Sunday in March, changing from GMT (UTC+00:00) to IST (UTC+01:00), and move back by one hour on the last Sunday in October. Ireland follows the European Union’s seasonal clock-change schedule.
| City | Time Difference |
|---|---|
| Paris | 1 hour ahead of Dublin |
| Berlin | 1 hour ahead of Dublin |
| Rome | 1 hour ahead of Dublin |
| London | Same time as Dublin |
| New York | Usually 5 hours behind Dublin |
| Dublin | Local reference time |
| Los Angeles | Usually 8 hours behind Dublin |
| Madrid | 1 hour ahead of Dublin |
| Istanbul | 2 or 3 hours ahead of Dublin |
| Dubai | 3 or 4 hours ahead of Dublin |
| Tokyo | 8 or 9 hours ahead of Dublin |
| Sydney | Usually 9 to 11 hours ahead of Dublin |
| Singapore | 7 or 8 hours ahead of Dublin |
| Delhi | 4 hours 30 minutes or 5 hours 30 minutes ahead of Dublin |
Time differences may change during the year because Ireland and some comparison cities observe daylight saving time on different dates, while other locations do not change their clocks.
Ireland uses Greenwich Mean Time (GMT), UTC+00:00, during standard time and Irish Standard Time (IST), UTC+01:00, during daylight saving time.
Yes. Ireland moves its clocks forward on the last Sunday in March and back on the last Sunday in October.
Yes. Dublin, Cork, Limerick, Galway, Waterford, and all other parts of Ireland use the same national time.
Ireland normally has the same local time as the United Kingdom and Portugal, although their daylight-saving abbreviations differ.
Yes. Dublin, London, and Lisbon normally have the same local time throughout the year.
Ireland is on UTC during standard time and one hour ahead of UTC during daylight saving time.
Daylight saving time begins on the last Sunday in March and ends on the last Sunday in October.
The IANA time zone identifier for Dublin and Ireland is Dublin.
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