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London to Sydney time

Local time in Sydney, Australia, compared with London, United Kingdom — hour by hour, through 2026 and 2027.

Draft page. The time data below is computed from the IANA database and is accurate; the editorial sections are still being written. This page is excluded from the sitemap and marked noindex until then.

Right now it is in London and in Sydney. (Needs JavaScript. Everything below works without it.)

Time difference at a glance

Standard and daylight saving offsets for London and Sydney in 2026 and 2027
City Standard time Daylight saving IANA time zone
London, United Kingdom UTC+00:00 UTC+01:00 Europe/London
Sydney, Australia UTC+10:00 UTC+11:00 Australia/Sydney

1 January 2026 – 28 March 2026: Sydney is 11 hours ahead of London.

30 March 2026 – 3 April 2026: Sydney is 10 hours ahead of London.

5 April 2026 – 2 October 2026: Sydney is 9 hours ahead of London.

4 October 2026 – 24 October 2026: Sydney is 10 hours ahead of London.

26 October 2026 – 27 March 2027: Sydney is 11 hours ahead of London.

29 March 2027 – 2 April 2027: Sydney is 10 hours ahead of London.

4 April 2027 – 1 October 2027: Sydney is 9 hours ahead of London.

3 October 2027 – 30 October 2027: Sydney is 10 hours ahead of London.

1 November 2027 – 31 December 2027: Sydney is 11 hours ahead of London.

The gap between London and Sydney is not the same all year, because the two places change their clocks on different dates — or because only one of them changes at all. Check which period your meeting falls into before scheduling.

Days when the gap shifts

On these dates the clocks move, so the gap changes partway through the day. That is why they sit outside the periods above rather than inside one of them.

  • 29 March 2026 — London changes its clocks. Sydney goes from 11 hours ahead to 10 hours ahead.
  • 4 April 2026 (5 April 2026 in Sydney) — Sydney changes its clocks. Sydney goes from 10 hours ahead to 9 hours ahead.
  • 3 October 2026 (4 October 2026 in Sydney) — Sydney changes its clocks. Sydney goes from 9 hours ahead to 10 hours ahead.
  • 25 October 2026 — London changes its clocks. Sydney goes from 10 hours ahead to 11 hours ahead.
  • 28 March 2027 — London changes its clocks. Sydney goes from 11 hours ahead to 10 hours ahead.
  • 3 April 2027 (4 April 2027 in Sydney) — Sydney changes its clocks. Sydney goes from 10 hours ahead to 9 hours ahead.
  • 2 October 2027 (3 October 2027 in Sydney) — Sydney changes its clocks. Sydney goes from 9 hours ahead to 10 hours ahead.
  • 31 October 2027 — London changes its clocks. Sydney goes from 10 hours ahead to 11 hours ahead.

When each city's clocks move, 2026 and 2027

  • London: clocks go forward on 29 March 2026 (UTC+00:00 → UTC+01:00)
  • London: clocks go back on 25 October 2026 (UTC+01:00 → UTC+00:00)
  • Sydney: clocks go back on 5 April 2026 (UTC+11:00 → UTC+10:00)
  • Sydney: clocks go forward on 4 October 2026 (UTC+10:00 → UTC+11:00)
  • London: clocks go forward on 28 March 2027 (UTC+00:00 → UTC+01:00)
  • London: clocks go back on 31 October 2027 (UTC+01:00 → UTC+00:00)
  • Sydney: clocks go back on 4 April 2027 (UTC+11:00 → UTC+10:00)
  • Sydney: clocks go forward on 3 October 2027 (UTC+10:00 → UTC+11:00)

Best time to schedule a call

A standard working day in London does not overlap with one in Sydney. Meetings need someone to start early or finish late — use the table below to pick the least disruptive hour for both sides.

24-hour conversion: when Sydney is 11 hours ahead of London

Each row is one hour of the day in London, with the matching local time in Sydney. This table applies to 1 January 2026 – 28 March 2026 · 26 October 2026 – 27 March 2027 · 1 November 2027 – 31 December 2027 — every full day of those periods, when Sydney is 11 hours ahead of London. The clock-change days themselves are listed separately above, because the gap shifts partway through them.

Hour by hour conversion from London to Sydney, when Sydney is 11 hours ahead of London
London Sydney Both at work?
00:00 11:00 One side only
01:00 12:00 One side only
02:00 13:00 One side only
03:00 14:00 One side only
04:00 15:00 One side only
05:00 16:00 One side only
06:00 17:00 Outside hours
07:00 18:00 Outside hours
08:00 19:00 Outside hours
09:00 20:00 One side only
10:00 21:00 One side only
11:00 22:00 One side only
12:00 23:00 One side only
13:00 00:00 (next day) One side only
14:00 01:00 (next day) One side only
15:00 02:00 (next day) One side only
16:00 03:00 (next day) One side only
17:00 04:00 (next day) Outside hours
18:00 05:00 (next day) Outside hours
19:00 06:00 (next day) Outside hours
20:00 07:00 (next day) Outside hours
21:00 08:00 (next day) Outside hours
22:00 09:00 (next day) One side only
23:00 10:00 (next day) One side only

24-hour conversion: when Sydney is 10 hours ahead of London

Each row is one hour of the day in London, with the matching local time in Sydney. This table applies to 30 March 2026 – 3 April 2026 · 4 October 2026 – 24 October 2026 · 29 March 2027 – 2 April 2027 · 3 October 2027 – 30 October 2027 — every full day of those periods, when Sydney is 10 hours ahead of London. The clock-change days themselves are listed separately above, because the gap shifts partway through them.

Hour by hour conversion from London to Sydney, when Sydney is 10 hours ahead of London
London Sydney Both at work?
00:00 10:00 One side only
01:00 11:00 One side only
02:00 12:00 One side only
03:00 13:00 One side only
04:00 14:00 One side only
05:00 15:00 One side only
06:00 16:00 One side only
07:00 17:00 Outside hours
08:00 18:00 Outside hours
09:00 19:00 One side only
10:00 20:00 One side only
11:00 21:00 One side only
12:00 22:00 One side only
13:00 23:00 One side only
14:00 00:00 (next day) One side only
15:00 01:00 (next day) One side only
16:00 02:00 (next day) One side only
17:00 03:00 (next day) Outside hours
18:00 04:00 (next day) Outside hours
19:00 05:00 (next day) Outside hours
20:00 06:00 (next day) Outside hours
21:00 07:00 (next day) Outside hours
22:00 08:00 (next day) Outside hours
23:00 09:00 (next day) One side only

24-hour conversion: when Sydney is 9 hours ahead of London

Each row is one hour of the day in London, with the matching local time in Sydney. This table applies to 5 April 2026 – 2 October 2026 · 4 April 2027 – 1 October 2027 — every full day of those periods, when Sydney is 9 hours ahead of London. The clock-change days themselves are listed separately above, because the gap shifts partway through them.

Hour by hour conversion from London to Sydney, when Sydney is 9 hours ahead of London
London Sydney Both at work?
00:00 09:00 One side only
01:00 10:00 One side only
02:00 11:00 One side only
03:00 12:00 One side only
04:00 13:00 One side only
05:00 14:00 One side only
06:00 15:00 One side only
07:00 16:00 One side only
08:00 17:00 Outside hours
09:00 18:00 One side only
10:00 19:00 One side only
11:00 20:00 One side only
12:00 21:00 One side only
13:00 22:00 One side only
14:00 23:00 One side only
15:00 00:00 (next day) One side only
16:00 01:00 (next day) One side only
17:00 02:00 (next day) Outside hours
18:00 03:00 (next day) Outside hours
19:00 04:00 (next day) Outside hours
20:00 05:00 (next day) Outside hours
21:00 06:00 (next day) Outside hours
22:00 07:00 (next day) Outside hours
23:00 08:00 (next day) Outside hours