Ireland to Sydney
Sydney is 9 hours ahead of Ireland.
--:--
--:--
When to ring
Ring between 07:00 and 12:00 Irish time. That is 16:00 to 21:00 in Sydney.
| In Ireland | In Sydney | Worth ringing? |
|---|---|---|
| 07:00 | 16:00 | Yes |
| 08:00 | 17:00 | Yes |
| 09:00 | 18:00 | Yes |
| 10:00 | 19:00 | Yes |
| 11:00 | 20:00 | Yes |
| 12:00 | 21:00 | Yes |
| 13:00 | 22:00 | Early or late |
| 14:00 | 23:00 | They are asleep |
| 15:00 | 00:00 next day | They are asleep |
| 16:00 | 01:00 next day | They are asleep |
| 17:00 | 02:00 next day | They are asleep |
| 18:00 | 03:00 next day | They are asleep |
| 19:00 | 04:00 next day | They are asleep |
| 20:00 | 05:00 next day | They are asleep |
| 21:00 | 06:00 next day | They are asleep |
| 22:00 | 07:00 next day | Early or late |
Based on the current 9 hours difference. It changes on the dates below.
The difference is not fixed
Ireland changes its clocks on the last Sunday in March and the last Sunday in October. Sydney changes on different dates. So for a few weeks each year the difference is an hour off what people expect.
| From | Sydney is |
|---|---|
| Now | 9 hours ahead of Ireland |
| Saturday 3 October 2026 | 10 hours ahead of Ireland |
| Sunday 25 October 2026 | 11 hours ahead of Ireland |
| Sunday 28 March 2027 | 10 hours ahead of Ireland |
| Saturday 3 April 2027 | 9 hours ahead of Ireland |
| Saturday 2 October 2027 | 10 hours ahead of Ireland |
Questions
How many hours ahead is Sydney from Ireland?
Sydney is 9 hours ahead of Ireland. This is not fixed all year: from Saturday 3 October 2026 the difference becomes 10 hours, because Ireland and Sydney change their clocks on different dates.
What time is it in Sydney when it's 9am in Ireland?
When it is 09:00 in Ireland it is 18:00 in Sydney.
When is the best time to ring Sydney from Ireland?
Between 07:00 and 12:00 Irish time, which is 16:00 to 21:00 in Sydney. Outside that window you are ringing someone who is asleep or about to be.
Does Sydney change its clocks like Ireland does?
Yes, but not on the same dates. Sydney next changes on Sunday 4 October 2026; Ireland next changes on Sunday 25 October 2026. In between, the usual difference is out by an hour.
Ireland to somewhere else
The same comparison for every other place we work out call times for, ordered from the smallest gap to the largest.
- Los Angeles 8 hours behind
- San Francisco 8 hours behind
- Vancouver 8 hours behind
- Calgary 7 hours behind
- Denver 7 hours behind
- Chicago 6 hours behind
- Boston 5 hours behind
- Montréal 5 hours behind
- New York 5 hours behind
- Toronto 5 hours behind
- Washington, D.C. 5 hours behind
- Lisbon same time
- London same time
- Amsterdam 1 hour ahead
- Barcelona 1 hour ahead
- Budapest 1 hour ahead
- Johannesburg 1 hour ahead
- Madrid 1 hour ahead
- Malaga 1 hour ahead
- Paris 1 hour ahead
- Prague 1 hour ahead
- Warsaw 1 hour ahead
- Bucharest 2 hours ahead
- Doha 2 hours ahead
- Riga 2 hours ahead
- Riyadh 2 hours ahead
- Sofia 2 hours ahead
- Vilnius 2 hours ahead
- Abu Dhabi 3 hours ahead
- Dubai 3 hours ahead
- Bengaluru 4 hours 30 minutes ahead
- Chennai 4 hours 30 minutes ahead
- Delhi 4 hours 30 minutes ahead
- Kolkata 4 hours 30 minutes ahead
- Mumbai 4 hours 30 minutes ahead
- Bangkok 6 hours ahead
- Hong Kong 7 hours ahead
- Perth 7 hours ahead
- Singapore 7 hours ahead
- Tokyo 8 hours ahead
- Adelaide 8 hours 30 minutes ahead
- Darwin 8 hours 30 minutes ahead
- Brisbane 9 hours ahead
- Canberra 9 hours ahead
- Melbourne 9 hours ahead
- Auckland 11 hours ahead
- Wellington 11 hours ahead