London to Sydney — Time Zone Converter
GMT/BST (UTC+1) → AEST (UTC+11). Sydney is 10 hours ahead relative to London right now.
London
Oct 7, 2026, 12:54 PM
Sydney
Oct 7, 2026, 10:54 PM
Need the reverse? Sydney to London →
Sample times — GMT/BST to AEST
Sample conversions for today; daylight saving applied.
About London and SydneyLondon vs Sydney time difference through 2026
The gap changes 4 times during 2026, because London and Sydney switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
Dates (2026) GMT/BST AEST Difference Jan 1 – Mar 28 UTC UTC+11 Sydney is 11 hours ahead Mar 29 – Apr 4 UTC+1 UTC+11 Sydney is 10 hours ahead Apr 5 – Oct 3 UTC+1 UTC+10 Sydney is 9 hours ahead Oct 4 – Oct 24 UTC+1 UTC+11 Sydney is 10 hours ahead Oct 25 – Dec 31 UTC UTC+11 Sydney is 11 hours ahead
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London vs Sydney time difference through 2026
The gap changes 4 times during 2026, because London and Sydney switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
| Dates (2026) | GMT/BST | AEST | Difference |
|---|---|---|---|
| Jan 1 – Mar 28 | UTC | UTC+11 | Sydney is 11 hours ahead |
| Mar 29 – Apr 4 | UTC+1 | UTC+11 | Sydney is 10 hours ahead |
| Apr 5 – Oct 3 | UTC+1 | UTC+10 | Sydney is 9 hours ahead |
| Oct 4 – Oct 24 | UTC+1 | UTC+11 | Sydney is 10 hours ahead |
| Oct 25 – Dec 31 | UTC | UTC+11 | Sydney is 11 hours ahead |
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London to Sydney conversions appear in sports broadcasts, financial close timelines, and remote-team planning. Expect Sydney to be roughly a day ahead on the clock for evening London times.
Frequently asked questions
What is the time difference between London and Sydney?
Right now the offset is about 10 hours ahead (from GMT/BST to AEST). Daylight saving rules differ by region, so use the converter and table above rather than memorising a single number year-round.
Does daylight saving affect London vs Sydney?
Yes, whenever either region springs forward or falls back, the gap can shift by an hour. This page uses the IANA time-zone database so those transitions are applied automatically.
How do I schedule a meeting across the United Kingdom and Australia?
Pick a time in the converter, share both columns with attendees, and avoid early-morning or late-night slots on one side. The sample table lists common business hours in the source zone.
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