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Time Difference: Dublin to Sydney

🇮🇪DublinUTC+0
vs
🇦🇺SydneyUTC+10
🇮🇪
Dublin, Ireland
Thu, May 28
🇦🇺
Sydney, Australia
Fri, May 29

Click a time to convert

Time Difference
9 hours
Sydney is 9 hours ahead of Dublin
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🇮🇪
Dublin
View city page
🇦🇺
Sydney
View city page

Dublin vs Sydney timezone guide

Dublin (Ireland) uses the Europe/Dublin timezone at UTC+0, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 10 hours ahead of Dublin (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Dublin and Sydney

Standard 9-to-5 working hours in Dublin and Sydney do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

DublinSydneyStatus
6am3pmOne side outside 9-to-5 but still awake
7am4pmOne side outside 9-to-5 but still awake
8am5pmDublin early, Sydney evening
9am6pmOne side outside 9-to-5 but still awake
10am7pmOne side outside 9-to-5 but still awake
11am8pmOne side outside 9-to-5 but still awake
12pm9pmOne side outside 9-to-5 but still awake
1pm10pmDublin working hours, Sydney late evening
2pm11pmDublin working hours, Sydney late evening
3pm12amDublin working hours, Sydney asleep
4pm1amDublin working hours, Sydney asleep
5pm2amDublin evening, Sydney asleep
6pm3amDublin evening, Sydney asleep
7pm4amDublin evening, Sydney asleep
8pm5amDublin evening, Sydney asleep
9pm6amDublin evening, Sydney early
10pm7amDublin late evening, Sydney early

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Dublin and Sydney

Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 9 hours behind temporarily shifts.

  • Jan 1 → Mar 29Difference temporarily 11 hours behind.
  • Mar 29 → Apr 4Difference temporarily 10 hours behind.
  • Oct 3 → Oct 25Difference temporarily 10 hours behind.
  • Oct 25 → Dec 31Difference temporarily 11 hours behind.

Dublin transitions on March 29, 2026 and October 25, 2026. Sydney transitions on April 5, 2026 and October 4, 2026.

Distance between Dublin and Sydney

Great-circle distance
17,214 km
Direct flight time
~21h 15m

Dublin and Sydney are 17,214 km apart along the great-circle route. A direct flight takes roughly ~21h 15m, depending on aircraft type, winds, and routing.

More comparisons

Dublin to New YorkDublin to LondonDublin to TokyoSydney to New YorkSydney to LondonSydney to TokyoSydney to Dubai

Frequently asked questions

What is the time difference between Dublin and Sydney?
The current time difference is 9 hours. Dublin is currently 9 hours behind Sydney.
Is Dublin ahead of Sydney?
No. Dublin is currently 9 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Dublin?
When it's 9 AM in Dublin, it's 6pm in Sydney.
When is the best time to schedule a meeting between Dublin and Sydney?
Standard 9-to-5 working hours in Dublin and Sydney do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Dublin and Sydney observe daylight saving time?
Dublin and Sydney both observe daylight saving time, but on different schedules. Short windows each year (a week or two around each set of transitions) produce a temporarily different offset.
How far apart are Dublin and Sydney?
Dublin and Sydney are 17,214 km apart along the great-circle route. A direct flight takes roughly 21 hours 15 minutes.