Sydney to London — Time Zone Converter
AEST (UTC+11) → GMT/BST (UTC+1). London is 10 hours behind relative to Sydney right now.
Sydney
Oct 7, 2026, 10:54 PM
London
Oct 7, 2026, 12:54 PM
Need the reverse? London to Sydney →
Sample times — AEST to GMT/BST
Sample conversions for today; daylight saving applied.
About Sydney and LondonSydney vs London time difference through 2026
The gap changes 4 times during 2026, because Sydney and London switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
Dates (2026) AEST GMT/BST Difference Jan 1 – Mar 28 UTC+11 UTC London is 11 hours behind Mar 29 – Apr 4 UTC+11 UTC+1 London is 10 hours behind Apr 5 – Oct 3 UTC+10 UTC+1 London is 9 hours behind Oct 4 – Oct 24 UTC+11 UTC+1 London is 10 hours behind Oct 25 – Dec 31 UTC+11 UTC London is 11 hours behind
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
Sydney vs London time difference through 2026
The gap changes 4 times during 2026, because Sydney and London switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
| Dates (2026) | AEST | GMT/BST | Difference |
|---|---|---|---|
| Jan 1 – Mar 28 | UTC+11 | UTC | London is 11 hours behind |
| Mar 29 – Apr 4 | UTC+11 | UTC+1 | London is 10 hours behind |
| Apr 5 – Oct 3 | UTC+10 | UTC+1 | London is 9 hours behind |
| Oct 4 – Oct 24 | UTC+11 | UTC+1 | London is 10 hours behind |
| Oct 25 – Dec 31 | UTC+11 | UTC | London is 11 hours behind |
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
Sydney to London is a long-haul business corridor linking APAC markets with Europe. Sydney is 10–11 hours ahead of London depending on daylight rules in both hemispheres, so their working days barely overlap.
Frequently asked questions
What is the time difference between Sydney and London?
Right now the offset is about 10 hours behind (from AEST to GMT/BST). 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 Sydney vs London?
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 Australia and the United Kingdom?
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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