Dublin to Sydney Time Difference
Sydney is 9 hours ahead of Dublin. When it is noon in Dublin, it is 21:00 in Sydney.
Dublin (UTC+1) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 21:00 in Dublin, it's 06:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Dublin & Sydney◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
17,215 km
Est. Flight Time
~21.3h
Time Difference
+9h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Dublin
15:00
Sydney
09:00
Dublin
18:00
Sydney
12:00
Dublin
21:00
Sydney
15:00
Dublin
00:00
Sydney (+1)
18:00
Dublin
03:00
Sydney (+1)
21:00
Dublin
06:00
Sydney (+1)
00:00
Dublin
09:00
Sydney
03:00
Dublin
12:00
Sydney
Frequently Asked Questions
How many hours is Dublin behind Sydney?
Sydney is 9 hours ahead of Dublin. When it is 12:00 noon in Dublin, it is 21:00 in Sydney. Dublin operates on Europe/Dublin (UTC+1), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Dublin?
Standard business hours (9 AM–5 PM) do not overlap between Dublin and Sydney due to the 9 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Dublin to Sydney time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Dublin and Sydney
The distance between Dublin and Sydney is approximately 17,215 km. A direct flight typically takes around 21.3 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.