London and Sydney: Real-Time Clock
London lags by 10 hours
Quick time conversions: London → Sydney
Common reference points to help you plan across the time difference.
When London clocks show 9:00 AM, Sydney reads 7:00 PM.
If it's 6:00 PM where I am in London, what does Sydney show?—4:00 AM(+1 day)
2:00 PMin London→12:00 AMin Sydney(+1 day)
If it's 10:00 AM in London, it's 8:00 PM in Sydney.
3:00 PMin London→1:00 AMin Sydney(+1 day)
London ↔ Sydney
No overlap — one side will join outside working hours
London
Sydney
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
How many hours difference between London and Sydney?
The offset is 10 hours — London is behind Sydney. Timezones: Europe/London and Australia/Sydney.
Can I find a standard business hour that suits both London and Sydney?
No mutual business hours exist between London and Sydney. The 10 hours difference pushes them into completely separate workdays.
Will the time gap between London and Sydney change because of DST?
London is about to observe DST back 1h at 02:00 — Oct 25. This adjusts the London–Sydney difference by 1h — update your calendar.
If it's noon in London, what time is it in Sydney?
Noon in London corresponds to 10:00 PM in Sydney.
How do I convert London time to Sydney time?
The live slider at the top converts any London time to Sydney instantly. You can also type natural language like "9am" or "15:30".
Does London have holidays coming up that could affect scheduling?
Watch out for Saint Andrew's Day in London on November 30 — offices may be closed or understaffed.
Which UTC offsets do London and Sydney follow?
London runs on Europe/London (IANA) and Sydney on Australia/Sydney (IANA) — a 10 hours gap between them.
What time does a 5 PM London message arrive in Sydney?
5 PM London → 3:00 AM Sydney. Your Sydney contact won't see it until their workday begins.