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 YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- 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 YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- 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 9 hours behind Sydney right now.
- Now until Oct 4, 2026: London is 9 hours behind Sydney (BST → AEST).
- Oct 4, 2026 – Oct 25, 2026: London is 10 hours behind Sydney (BST → AEDT).
- Oct 25, 2026 – 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).
- From Apr 4, 2027: London is 9 hours behind Sydney (BST → AEST).
Best time to call
Convenient overlapping hours on Sunday, September 20, 2026.
| London (BST) | Sydney (AEST) |
|---|---|
| 7:00 AM | 4:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 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 Saturday, September 19, 2026 in London.
| London (BST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 9:00 AM |
| 1:00 AM | 10:00 AM |
| 2:00 AM | 11:00 AM |
| 3:00 AM | 12:00 PM |
| 4:00 AM | 1:00 PM |
| 5:00 AM | 2:00 PM |
| 6:00 AM | 3:00 PM |
| 7:00 AM | 4:00 PM |
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
| 12:00 PM | 9:00 PM |
| 1:00 PM | 10:00 PM |
| 2:00 PM | 11:00 PM |
| 3:00 PM | 12:00 AM(next day) |
| 4:00 PM | 1:00 AM(next day) |
| 5:00 PM | 2:00 AM(next day) |
| 6:00 PM | 3:00 AM(next day) |
| 7:00 PM | 4:00 AM(next day) |
| 8:00 PM | 5:00 AM(next day) |
| 9:00 PM | 6:00 AM(next day) |
| 10:00 PM | 7:00 AM(next day) |
| 11:00 PM | 8:00 AM(next day) |
About these cities
Current time in London
London is on UK time (IANA time zone Europe/London), currently BST (UTC+1). 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 AEST (UTC+10). 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 Saturday, September 19, 2026, 9:00 AM in London (BST) is 6:00 PM AEST in Sydney.
How many hours ahead is London from Sydney?
It depends on the time of year because of daylight saving time. Now until Oct 4, 2026: London is 9 hours behind Sydney (BST → AEST). Oct 4, 2026 – Oct 25, 2026: London is 10 hours behind Sydney (BST → AEDT).
What is the best time for a call between London and Sydney?
On Sunday, September 20, 2026, good options are 7:00 AM BST (4:00 PM AEST), 9:00 AM BST (6:00 PM AEST), 10:00 AM BST (7:00 PM AEST), 11:00 AM BST (8:00 PM AEST). 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 BST (UTC+1).
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 AEST (UTC+10).