London to Sydney Time Converter

Key facts

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

London to Sydney time conversion table

Best time to call or meet

London and Sydney share no 9:00 AM to 5:00 PM window. The closest overlap is 8:00 AM to 10:00 AM in London, which is 6:00 PM to 8:00 PM in Sydney, 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

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

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

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

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

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.

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

London and Sydney time zones

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

Both are named IANA time zones, so London and Sydney 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 London and Sydney?

Sydney is 10 hours ahead of London until 25 October 2026. Across the next 12 months the gap is 9–11 hours because of daylight saving time.

Is Sydney ahead of London?

Yes. Sydney is 10 hours ahead of London until 25 October 2026, so it is already later in Sydney. Put the other way, London is 10 hours behind Sydney.

What is 8 PM Sydney time in London?

8:00 PM in Sydney is 10:00 AM 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 time is it in Sydney when it is 9 AM in London?

When it is 9:00 AM in London, it is 7:00 PM the same 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 is the best time to call Sydney from London?

London and Sydney share no 9:00 AM to 5:00 PM window. The closest overlap is 8:00 AM to 10:00 AM in London, which is 6:00 PM to 8:00 PM in Sydney, 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 London–Sydney 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 London and Sydney?

Yes. Pick any date in the converter above and it applies the offsets London and Sydney will use on that day, including daylight saving time changes.

Related time zone conversions

• Sydney to London time
• London to New York time
• Sydney to New York time
• London to Dubai time
• London to Mumbai time
• London to Toronto time
• London to Singapore time
• London to Los Angeles time
• London to Tokyo time
• London to Hong Kong time
• New York to London time
• New York to Sydney time
• Time zone converter
• World clock

Offsets checked against IANA time zone data on 15 October 2026.

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