Sydney to London Time Converter

London is 10 hours behind Sydney until 25 October 2026. When it is 9:00 AM in Sydney, it is 11:00 PM the previous day in London.

From 25 October 2026 the difference becomes 11 hours, when London ends daylight saving time.

London is 9–11 hours behind Sydney depending on daylight saving. Convert Sydney to London time with an hour-by-hour table, DST dates and best call times.

Key facts

  • Sydney is on AEDT (UTC+11) until 4 April 2027, observing daylight saving time.
  • London is on BST (UTC+1) until 25 October 2026, observing daylight saving time.
  • Time difference: 10 hours (London is behind Sydney) until 25 October 2026.
  • Range over the next 12 months: 9–11 hours.

Sydney to London time conversion table

Times for 15 October 2026 to 24 October 2026: each Sydney hour with the matching London time. Highlighted rows are inside 9:00 AM to 5:00 PM in both cities.
SydneyLondon
12:00 AM2:00 PM −1 day
1:00 AM3:00 PM −1 day
2:00 AM4:00 PM −1 day
3:00 AM5:00 PM −1 day
4:00 AM6:00 PM −1 day
5:00 AM7:00 PM −1 day
6:00 AM8:00 PM −1 day
7:00 AM9:00 PM −1 day
8:00 AM10:00 PM −1 day
9:00 AM11:00 PM −1 day
10:00 AM12:00 AM
11:00 AM1:00 AM
12:00 PM2:00 AM
1:00 PM3:00 AM
2:00 PM4:00 AM
3:00 PM5:00 AM
4:00 PM6:00 AM
5:00 PM7:00 AM
6:00 PM8:00 AM
7:00 PM9:00 AM
8:00 PM10:00 AM
9:00 PM11:00 AM
10:00 PM12:00 PM
11:00 PM1:00 PM

Best time to call or meet

Sydney and London share no 9:00 AM to 5:00 PM window. The closest overlap is 6:00 PM to 8:00 PM in Sydney, which is 8:00 AM to 10:00 AM in London, so one side takes an early or late call (both cities stay within 8:00 AM to 8:00 PM). This applies from 15 October 2026 to 24 October 2026.

Daylight saving time changes

Sydney changes its clocks on 4 April 2027 (back 1 hour) and 3 October 2027 (forward 1 hour).

London changes its clocks on 25 October 2026 (back 1 hour) and 28 March 2027 (forward 1 hour).

Over the next 12 months the difference is 9–11 hours:

  • 15 October 2026 until 25 October 2026: London is 10 hours behind Sydney.
  • 25 October 2026 until 28 March 2027: London is 11 hours behind Sydney.
  • 28 March 2027 until 4 April 2027: London is 10 hours behind Sydney.
  • 4 April 2027 until 3 October 2027: London is 9 hours behind Sydney.
  • 3 October 2027 until 15 October 2027: London is 10 hours behind Sydney.

Common Sydney to London times

  • 6:00 AM in Sydney is 8:00 PM the previous day in London.
  • 8:00 AM in Sydney is 10:00 PM the previous day in London.
  • 9:00 AM in Sydney is 11:00 PM the previous day in London.
  • 12:00 PM in Sydney is 2:00 AM in London.
  • 3:00 PM in Sydney is 5:00 AM in London.
  • 5:00 PM in Sydney is 7:00 AM in London.
  • 6:00 PM in Sydney is 8:00 AM in London.
  • 8:00 PM in Sydney is 10:00 AM in London.
  • 10:00 PM in Sydney is 12:00 PM in London.

Common London to Sydney times

  • 6:00 AM in London is 4:00 PM in Sydney.
  • 8:00 AM in London is 6:00 PM in Sydney.
  • 9:00 AM in London is 7:00 PM in Sydney.
  • 12:00 PM in London is 10:00 PM in Sydney.
  • 3:00 PM in London is 1:00 AM the next day in Sydney.
  • 5:00 PM in London is 3:00 AM the next day in Sydney.
  • 6:00 PM in London is 4:00 AM the next day in Sydney.
  • 8:00 PM in London is 6:00 AM the next day in Sydney.
  • 10:00 PM in London is 8:00 AM the next day in Sydney.

These times apply from 15 October 2026 to 24 October 2026. The gap changes with daylight saving time.

Sydney and London time zones

Sydney, Australia, uses the Australia/Sydney time zone, AEDT (UTC+11) until 4 April 2027. London, United Kingdom, uses the Europe/London time zone, BST (UTC+1) until 25 October 2026.

Both are named IANA time zones, so Sydney and London follow their own daylight saving rules for the date you choose instead of a fixed offset. That is why the gap between them can change by an hour at different times of the year.

Frequently Asked Questions

What is the time difference between Sydney and London?
London is 10 hours behind Sydney until 25 October 2026. Across the next 12 months the gap is 9–11 hours because of daylight saving time.
How many hours is London behind Sydney?
London is 10 hours behind Sydney until 25 October 2026. Put the other way, Sydney is 10 hours ahead of London, so subtract that gap from Sydney time to get London time.
What is 8 PM London time in Sydney?
8:00 PM in London is 6:00 AM the next day in Sydney. This applies from 15 October 2026 to 24 October 2026. The gap changes with daylight saving time, so check the date you need in the converter.
What time is it in London when it is 9 AM in Sydney?
When it is 9:00 AM in Sydney, it is 11:00 PM the previous day in London. This applies from 15 October 2026 to 24 October 2026. The gap changes with daylight saving time, so check the date you need in the converter.
What is the best time to call London from Sydney?
Sydney and London share no 9:00 AM to 5:00 PM window. The closest overlap is 6:00 PM to 8:00 PM in Sydney, which is 8:00 AM to 10:00 AM in London, so one side takes an early or late call (both cities stay within 8:00 AM to 8:00 PM). This applies from 15 October 2026 to 24 October 2026.
Does the Sydney–London time difference change with daylight saving time?
Yes. Across the next 12 months the gap is 9–11 hours because of daylight saving time. From 25 October 2026 the difference becomes 11 hours, when London ends daylight saving time. From 28 March 2027 the difference becomes 10 hours, when London starts daylight saving time. From 4 April 2027 the difference becomes 9 hours, when Sydney ends daylight saving time. From 3 October 2027 the difference becomes 10 hours, when Sydney starts daylight saving time.
Can I convert a future date between Sydney and London?
Yes. Pick any date in the converter above and it applies the offsets Sydney and London will use on that day, including daylight saving time changes.

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Offsets checked against IANA time zone data on 14 October 2026.

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