Sydney to London Time Converter
Convert time between Sydney, Australia and London, United Kingdom.
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
Sydney is 9 hours ahead of London right now.
- Now until Oct 4, 2026: Sydney is 9 hours ahead of London (AEST → BST).
- Oct 4, 2026 – Oct 25, 2026: Sydney is 10 hours ahead of London (AEDT → BST).
- Oct 25, 2026 – Mar 28, 2027: Sydney is 11 hours ahead of London (AEDT → GMT).
- Mar 28, 2027 – Apr 4, 2027: Sydney is 10 hours ahead of London (AEDT → BST).
- From Apr 4, 2027: Sydney is 9 hours ahead of London (AEST → BST).
Best time to call
Convenient overlapping hours on Saturday, September 19, 2026.
| Sydney (AEST) | London (BST) |
|---|---|
| 4:00 PM | 7:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
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 Sydney and LondonSydney to London conversion table
For Sunday, September 20, 2026 in Sydney.
| Sydney (AEST) | London (BST) |
|---|---|
| 12:00 AM | 3:00 PM(previous day) |
| 1:00 AM | 4:00 PM(previous day) |
| 2:00 AM | 5:00 PM(previous day) |
| 3:00 AM | 6:00 PM(previous day) |
| 4:00 AM | 7:00 PM(previous day) |
| 5:00 AM | 8:00 PM(previous day) |
| 6:00 AM | 9:00 PM(previous day) |
| 7:00 AM | 10:00 PM(previous day) |
| 8:00 AM | 11:00 PM(previous day) |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
About these cities
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.
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.
Sydney to London FAQs
What time is it in London when it is 9 AM in Sydney?
On Sunday, September 20, 2026, 9:00 AM in Sydney (AEST) is 12:00 AM BST in London.
How many hours ahead is Sydney from London?
It depends on the time of year because of daylight saving time. Now until Oct 4, 2026: Sydney is 9 hours ahead of London (AEST → BST). Oct 4, 2026 – Oct 25, 2026: Sydney is 10 hours ahead of London (AEDT → BST).
What is the best time for a call between Sydney and London?
On Saturday, September 19, 2026, good options are 4:00 PM AEST (7:00 AM BST), 6:00 PM AEST (9:00 AM BST), 7:00 PM AEST (10:00 AM BST), 8:00 PM AEST (11:00 AM BST). There is no overlap of 9 AM–5 PM working hours, so these fall early or late for one side.
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).
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).