BST to AEST Time Converter
Compare BST and AEST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both London and Sydney.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| BST (London) | AEST (Sydney) |
|---|---|
| 12:00 AM | 09:00 AM |
| 01:00 AM | 10:00 AM |
| 02:00 AM | 11:00 AM |
| 03:00 AM | 12:00 PM |
| 04:00 AM | 01:00 PM |
| 05:00 AM | 02:00 PM |
| 06:00 AM | 03:00 PM |
| 07:00 AM | 04:00 PM |
| 08:00 AM | 05:00 PM |
| 09:00 AM | 06:00 PM |
| 10:00 AM | 07:00 PM |
| 11:00 AM | 08:00 PM |
| 12:00 PM | 09:00 PM |
| 01:00 PM | 10:00 PM |
| 02:00 PM | 11:00 PM |
| 03:00 PM | 12:00 AM(Sun, Jul 26) |
| 04:00 PM | 01:00 AM(Sun, Jul 26) |
| 05:00 PM | 02:00 AM(Sun, Jul 26) |
| 06:00 PM | 03:00 AM(Sun, Jul 26) |
| 07:00 PM | 04:00 AM(Sun, Jul 26) |
| 08:00 PM | 05:00 AM(Sun, Jul 26) |
| 09:00 PM | 06:00 AM(Sun, Jul 26) |
| 10:00 PM | 07:00 AM(Sun, Jul 26) |
| 11:00 PM | 08:00 AM(Sun, Jul 26) |
Daylight saving time
Both London and Sydney observe daylight saving time, so the offset between BST and AEST shifts twice a year.
Working-hours overlap
Standard 9-to-5 hours in London and Sydney do not overlap. Use an early or late slot on one side.
Frequently asked questions
What is the time difference between BST and AEST?+
AEST (UTC+10:00) is currently 9 hours ahead of BST (UTC+01:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does BST or AEST observe daylight saving time?+
Both London and Sydney observe daylight saving time, so the offset can shift twice a year. Times on this page always reflect the current local rules.
What are the best meeting hours between London and Sydney?+
Standard 9–5 working hours in London and Sydney do not overlap. Pick an early or late slot for one side, or use the 24-hour table above to find a time that works.
How do I quickly convert BST to AEST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the BST row to see the matching AEST time. The Event Planner also lets you pick a specific date and share it with attendees.