London to Sydney time converter
Sydney is usually 9 hours ahead of London, but the gap changes around daylight saving dates. Pick a date and time below, or use the tables to plan a call.
Sydney is 10 hours ahead of London.
Live from your device clock using your browser’s time zone data.
- 9:00 AM in London is7:00 PM in Sydney
- A 9 am – 5 pm working day in London is7:00 PM – 3:00 AM in Sydney
- No shared 9–5 hours. Least disruptive one-hour call9:00 AM–11:00 AM in London (7:00 PM–9:00 PM in Sydney)
Reference date at build time. Tables below cover the whole year.
Convert a specific time
9:00 AM London on Thu, Oct 22 is 7:00 PM Sydney on Thu, Oct 22.
Tip: link straight to an answer with ?t=3pm or ?t=15:30&d=2026-10-22. Select any time in the hour-by-hour table below to fill this in.
Time difference through 2026
5 periods with a constant difference. The unusual periods last 87 days and 7 days and 21 days and 68 days: check meetings in those weeks.
| Dates in London | Sydney vs London | 9:00 AM in London is | Best one-hour call, London time |
|---|---|---|---|
| Jan 1 – Mar 29 87 days | 11 hours ahead UTC+0 → UTC+11 | 8:00 PM | 9:00 AM–10:00 AM Outside 9–5 for someone |
| Mar 29 – Apr 4 7 days | 10 hours ahead UTC+1 → UTC+11 | 7:00 PM | 9:00 AM–11:00 AM Outside 9–5 for someone |
| Apr 4 – Oct 3 182 days | 9 hours ahead UTC+1 → UTC+10 | 6:00 PM | 7:00 AM–8:00 AM, 9:00 AM–12:00 PM Outside 9–5 for someone |
| Oct 3 – Oct 25 21 days | 10 hours ahead UTC+1 → UTC+11 | 7:00 PM | 9:00 AM–11:00 AM Outside 9–5 for someone |
| Oct 25 – Dec 31 68 days | 11 hours ahead UTC+0 → UTC+11 | 8:00 PM | 9:00 AM–10:00 AM Outside 9–5 for someone |
Periods are split at every clock change in either place, calculated from the IANA time zone database at build time. The 9:00 AM and call examples use the middle date of each period. Future rules can change.
Hour-by-hour: London to Sydney
Every hour of the chosen day in London, with working hours marked on both sides.
Showing 2026-10-22. Repeated hours after a clock change list both occurrences.
| London | Sydney | Date in Sydney |
|---|---|---|
| 10:00 AM | Thu, Oct 22 | |
| 11:00 AM | Thu, Oct 22 | |
| 12:00 PM | Thu, Oct 22 | |
| 1:00 PM | Thu, Oct 22 | |
| 2:00 PM | Thu, Oct 22 | |
| 3:00 PM | Thu, Oct 22 | |
| 4:00 PM | Thu, Oct 22 | |
| 5:00 PM | Thu, Oct 22 | |
| 6:00 PM | Thu, Oct 22 | |
| 7:00 PM | Thu, Oct 22 | |
| 8:00 PM | Thu, Oct 22 | |
| 9:00 PM | Thu, Oct 22 | |
| 10:00 PM | Thu, Oct 22 | |
| 11:00 PM | Thu, Oct 22 | |
| 12:00 AM | Fri, Oct 23next day | |
| 1:00 AM | Fri, Oct 23next day | |
| 2:00 AM | Fri, Oct 23next day | |
| 3:00 AM | Fri, Oct 23next day | |
| 4:00 AM | Fri, Oct 23next day | |
| 5:00 AM | Fri, Oct 23next day | |
| 6:00 AM | Fri, Oct 23next day | |
| 7:00 AM | Fri, Oct 23next day | |
| 8:00 AM | Fri, Oct 23next day | |
| 9:00 AM | Fri, Oct 23next day |
9 am – 5 pm7–9 am, 5–9 pmNightShaded rows: working hours in both places
Public holidays in the next 60 days
National holidays in the United Kingdom and Australia. A call that works on the clock may still land on a day off. The planner above skips these dates when “Skip public holidays” is on.
No national public holidays in the next 60 days.
Questions about London and Sydney time
What is the time difference between London and Sydney?
It depends on the date. For most of 2026, Sydney is 9 hours ahead of London. From Jan 1 – Mar 29, it is 11 hours ahead of London. From Mar 29 – Apr 4, it is 10 hours ahead of London. From Oct 3 – Oct 25, it is 10 hours ahead of London. From Oct 25 – Dec 31, it is 11 hours ahead of London.
The difference changes because London and Sydney change their clocks on different dates.
What time is it in Sydney when it is noon in London?
When Sydney is 11 hours ahead of London: 12:00 PM in London is 11:00 PM in Sydney.
When Sydney is 10 hours ahead of London: 12:00 PM in London is 10:00 PM in Sydney.
When Sydney is 9 hours ahead of London: 12:00 PM in London is 9:00 PM in Sydney.
When is the best time to call Sydney from London?
There are no shared 9 am – 5 pm hours. The least disruptive one-hour slot is 9:00 AM–11:00 AM in London (7:00 PM–9:00 PM in Sydney), which puts one side in the early morning or evening.
Switch the converter above to Meeting planner to set your own working hours and meeting length, or exclude weekends.
Do London and Sydney use daylight saving time?
London changes its clocks 2 times in 2026: forward on Sunday, March 29, 2026 (UTC+0 → UTC+1); back on Sunday, October 25, 2026 (UTC+1 → UTC+0).
Sydney changes its clocks 2 times in 2026: back on Sunday, April 5, 2026 (UTC+11 → UTC+10); forward on Sunday, October 4, 2026 (UTC+10 → UTC+11).
Which time zone identifiers should I use in a calendar?
London: Europe/London. Sydney: Australia/Sydney. City identifiers carry the daylight saving rules, so a recurring event keeps its local time.