| Current: | IST — Irish Standard Time |
|---|---|
| Next Change: | GMT — Greenwich Mean Time |
| Current Offset: | UTC/GMT +1 hour |
| Difference: | 5 hours ahead of Columbus |
2025 Time Zones - Shannon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Shannon during 2025.
Time Changes in Shannon Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 2024 | Sun, Mar 31 at 1:00 am | GMT → IST | +1 hour (DST start) | UTC+1h |
| Sun, Oct 27 at 2:00 am | IST → GMT | -1 hour (DST end) | UTC | |
| 2025 | Sun, Mar 30 at 1:00 am | GMT → IST | +1 hour (DST start) | UTC+1h |
| Sun, Oct 26 at 2:00 am | IST → GMT | -1 hour (DST end) | UTC | |
| 2026 | Sun, Mar 29 at 1:00 am | GMT → IST | +1 hour (DST start) | UTC+1h |
| Sun, Oct 25 at 2:00 am | IST → GMT | -1 hour (DST end) | UTC | |
| 2027 | Sun, Mar 28 at 1:00 am | GMT → IST | +1 hour (DST start) | UTC+1h |
| Sun, Oct 31 at 2:00 am | IST → GMT | -1 hour (DST end) | UTC | |
| 2028 | Sun, Mar 26 at 1:00 am | GMT → IST | +1 hour (DST start) | UTC+1h |
| Sun, Oct 29 at 2:00 am | IST → GMT | -1 hour (DST end) | UTC | |
| * All times are local Shannon time. Next time change is highlighted. | ||||
Data for the years before 1970 is not available for Shannon, however, we have earlier time zone history for Dublin available.
More Information
Time Zone Tools
- Meeting Planner - Find a suitable time for an international meeting.
- Time Zone Converter - If it is 3 pm in New York, what time is it in Sydney?
- Event Time Announcer/Fixed Time - Show local times worldwide for your event.
Shannon
Ireland
2:0846am
Tuesday, June 10, 2025