London zone
GMT+1 (GMT+1)
Sydney zone
GMT+10 (GMT+10)
Difference
9 hours ahead of London
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in London. Filled cells mark when 9 AM – 5 PM in London and Sydney both apply.
0 hours per day
- London
- GMT+1
- Sydney
- GMT+10
- Difference
- +9h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Sydney for an hour in London.
| London | Sydney | Day | Window |
|---|---|---|---|
| 12:00 AM | 9:00 AM | same day | — |
| 1:00 AM | 10:00 AM | same day | — |
| 2:00 AM | 11:00 AM | same day | — |
| 3:00 AM | 12:00 PM | same day | — |
| 4:00 AM | 1:00 PM | same day | — |
| 5:00 AM | 2:00 PM | same day | — |
| 6:00 AM | 3:00 PM | same day | — |
| 7:00 AM | 4:00 PM | same day | — |
| 8:00 AM | 5:00 PM | same day | — |
| 9:00 AM | 6:00 PM | same day | — |
| 10:00 AM | 7:00 PM | same day | — |
| 11:00 AM | 8:00 PM | same day | — |
| 12:00 PM | 9:00 PM | same day | — |
| 1:00 PM | 10:00 PM | same day | — |
| 2:00 PM | 11:00 PM | same day | — |
| 3:00 PM | 12:00 AM | next day | — |
| 4:00 PM | 1:00 AM | next day | — |
| 5:00 PM | 2:00 AM | next day | — |
| 6:00 PM | 3:00 AM | next day | — |
| 7:00 PM | 4:00 AM | next day | — |
| 8:00 PM | 5:00 AM | next day | — |
| 9:00 PM | 6:00 AM | next day | — |
| 10:00 PM | 7:00 AM | next day | — |
| 11:00 PM | 8:00 AM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in London and Sydney do not overlap. Plan calls for early London morning or late London evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting London time to Sydney time
London follows the Europe/London time zone (currently GMT+1, GMT+1), while Sydney follows Australia/Sydney (currently GMT+10, GMT+10). Sydney is 9 hours ahead of London right now.
Both cities observe daylight saving time. If their transition weekends differ, the offset shifts by one hour for a few weeks each spring and autumn.
Daylight saving transitions in 2026
London
- Spring forward · Sunday, March 29, 2026
- Fall back · Sunday, October 25, 2026
Sydney
- Fall back · Sunday, April 5, 2026
- Spring forward · Sunday, October 4, 2026
Reverse this conversion
Sydney to London
Open the converter
Plan a meeting between London and Sydney
More conversions from London
Frequently asked questions
- How many hours is London from Sydney?
- Sydney is 9 hours ahead of London right now.
- What time is 9:00 AM London in Sydney?
- 9:00 AM in London is 6:00 PM in Sydney.
- What time is 5:00 PM London in Sydney?
- 5:00 PM in London is 2:00 AM (next day) in Sydney.
- When do London and Sydney business hours overlap?
- Standard 9 AM - 5 PM working hours in London and Sydney do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between London and Sydney?
- Both London and Sydney observe daylight saving time. If their transition dates differ, the offset between them shifts by an hour for a few weeks each year.
Local time page
Time in London
Local time page
Time in Sydney