London to Sydney Time Converter
Convert time between London, United Kingdom and Sydney, Australia.
Convert a specific time
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEST, UTC-5
- Central Time – ChicagoCST, UTC-6
- Mountain Time – DenverMST, UTC-7
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPST, UTC-8
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonGMT, UTC+0
- Central Europe – Paris, BerlinCET, UTC+1
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEDT, UTC+11
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEST, UTC-5
- Central Time – ChicagoCST, UTC-6
- Mountain Time – DenverMST, UTC-7
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPST, UTC-8
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonGMT, UTC+0
- Central Europe – Paris, BerlinCET, UTC+1
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEDT, UTC+11
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
Time Difference
London is 11 hours behind Sydney right now.
- Now until Mar 28, 2027: London is 11 hours behind Sydney (GMT → AEDT).
- Mar 28, 2027 – Apr 4, 2027: London is 10 hours behind Sydney (BST → AEDT).
- Apr 4, 2027 – Oct 3, 2027: London is 9 hours behind Sydney (BST → AEST).
- Oct 3, 2027 – Oct 31, 2027: London is 10 hours behind Sydney (BST → AEDT).
- From Oct 31, 2027: London is 11 hours behind Sydney (GMT → AEDT).
Best time to call
Convenient overlapping hours on Tuesday, November 3, 2026.
| London (GMT) | Sydney (AEDT) |
|---|---|
| 9:00 AM | 8:00 PM |
| 10:00 AM | 9:00 PM |
No 9 AM–5 PM overlap: suggestions are within working hours on one side and between 7 AM and 10 PM on the other.
Convert another time zone Plan a meeting across London and SydneyLondon to Sydney conversion table
For Monday, November 2, 2026 in London.
| London (GMT) | Sydney (AEDT) |
|---|---|
| 12:00 AM | 11:00 AM |
| 1:00 AM | 12:00 PM |
| 2:00 AM | 1:00 PM |
| 3:00 AM | 2:00 PM |
| 4:00 AM | 3:00 PM |
| 5:00 AM | 4:00 PM |
| 6:00 AM | 5:00 PM |
| 7:00 AM | 6:00 PM |
| 8:00 AM | 7:00 PM |
| 9:00 AM | 8:00 PM |
| 10:00 AM | 9:00 PM |
| 11:00 AM | 10:00 PM |
| 12:00 PM | 11:00 PM |
| 1:00 PM | 12:00 AM(next day) |
| 2:00 PM | 1:00 AM(next day) |
| 3:00 PM | 2:00 AM(next day) |
| 4:00 PM | 3:00 AM(next day) |
| 5:00 PM | 4:00 AM(next day) |
| 6:00 PM | 5:00 AM(next day) |
| 7:00 PM | 6:00 AM(next day) |
| 8:00 PM | 7:00 AM(next day) |
| 9:00 PM | 8:00 AM(next day) |
| 10:00 PM | 9:00 AM(next day) |
| 11:00 PM | 10:00 AM(next day) |
About these cities
Current time in London
London is on UK time (IANA time zone Europe/London), currently GMT (UTC+0). It observes daylight saving time, switching between Greenwich Mean Time and British Summer Time, so conversions depend on the date.
Current time in Sydney
Sydney is on Australian Eastern Time (IANA time zone Australia/Sydney), currently AEDT (UTC+11). It observes daylight saving time, switching between Australian Eastern Standard Time and Australian Eastern Daylight Time, so conversions depend on the date.
London to Sydney FAQs
What time is it in Sydney when it is 9 AM in London?
On Monday, November 2, 2026, 9:00 AM in London (GMT) is 8:00 PM AEDT in Sydney.
How many hours ahead is London from Sydney?
It depends on the time of year because of daylight saving time. Now until Mar 28, 2027: London is 11 hours behind Sydney (GMT → AEDT). Mar 28, 2027 – Apr 4, 2027: London is 10 hours behind Sydney (BST → AEDT).
What is the best time for a call between London and Sydney?
On Tuesday, November 3, 2026, good options are 9:00 AM GMT (8:00 PM AEDT), 10:00 AM GMT (9:00 PM AEDT). There is no overlap of 9 AM–5 PM working hours, so these fall early or late for one side.
Does London observe daylight saving time?
Yes. London switches between Greenwich Mean Time and British Summer Time each year, so the difference with Sydney changes on the dates listed above. Right now it is on GMT (UTC+0).
Does Sydney observe daylight saving time?
Yes. Sydney switches between Australian Eastern Standard Time and Australian Eastern Daylight Time each year, so the difference with London changes on the dates listed above. Right now it is on AEDT (UTC+11).