The time difference between Dublin and Sydney is 9 hours. When it is 12:00 noon in Dublin, it is 21:00 in Sydney. Dublin uses the Europe/Dublin time zone (UTC+1), while Sydney uses Australia/Sydney (UTC+10).
With a 9 hours gap, there is no standard business-hours overlap between Dublin and Sydney. One party will need to adjust their schedule. Early mornings in Sydney or late evenings in Dublin tend to be the most practical compromise.
Use this table to quickly convert any hour from Dublin time to Sydney time. Rows highlighted in green indicate overlapping business hours in both cities.
| Dublin | Sydney | |
|---|---|---|
| 00:00 | 09:00 | Night |
| 01:00 | 10:00 | Night |
| 02:00 | 11:00 | Night |
| 03:00 | 12:00 | Night |
| 04:00 | 13:00 | Night |
| 05:00 | 14:00 | Night |
| 06:00 | 15:00 | |
| 07:00 | 16:00 | |
| 08:00 | 17:00 | |
| 09:00 | 18:00 | |
| 10:00 | 19:00 | |
| 11:00 | 20:00 | |
| 12:00 | 21:00 | |
| 13:00 | 22:00 | |
| 14:00 | 23:00 | |
| 15:00 | 00:00 (+1 day) | |
| 16:00 | 01:00 (+1 day) | |
| 17:00 | 02:00 (+1 day) | |
| 18:00 | 03:00 (+1 day) | |
| 19:00 | 04:00 (+1 day) | |
| 20:00 | 05:00 (+1 day) | |
| 21:00 | 06:00 (+1 day) | |
| 22:00 | 07:00 (+1 day) | Night |
| 23:00 | 08:00 (+1 day) | Night |
Dublin is currently observing daylight saving time, while Sydney is on standard time. When Dublin switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 9 hours. Sydney is 9 hours ahead of Dublin.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 9 hours to Dublin time to get Sydney time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.