Sydney is 9, 10 or 11 hours ahead of London, depending on the time of year.
Travelling to Singapore? Book your airport transfer →
Quick reference
| LONDON | SYDNEY · LATE OCT–LATE MAR | SYDNEY · EARLY APR–EARLY OCT | SYDNEY · IN BETWEEN |
|---|---|---|---|
| 9:00 am | 8:00 pm | 6:00 pm | 7:00 pm |
| 12:00 pm | 11:00 pm | 9:00 pm | 10:00 pm |
| 3:00 pm | 2:00 am next day | 12:00 am next day | 1:00 am next day |
| 6:00 pm | 5:00 am next day | 3:00 am next day | 4:00 am next day |
| 9:00 pm | 8:00 am next day | 6:00 am next day | 7:00 am next day |
Questions
11 hours from late October to late March, 9 hours from early April to early October, and 10 hours in between (late March to early April, and early October to late October).
8pm from late October to late March, 6pm from early April to early October, and 7pm in between (late March to early April, and early October to late October).
Yes, both, on different dates. London moves to BST (UTC+1) in late March and back to GMT (UTC+0) in late October; Sydney moves to AEDT (UTC+11) in early October and back to AEST (UTC+10) in early April.