Sydney vs London Time Comparison
Opposite sides of the world - 10-hour time difference
Sydney, Australia
--:--:-- AM
AEST/AEDT (UTC+10/+11)
vs
10 hours ahead
London, UK
--:--:-- AM
GMT/BST (UTC+0/+1)
Time Zone Information
| City | Country | Timezone | UTC Offset |
|---|---|---|---|
| Sydney | Australia | Australian Eastern | AEST/AEDT (UTC+10/+11) |
| London | UK | Greenwich Mean Time | GMT/BST (UTC+0/+1) |
Time Difference
Sydney is 10 hours ahead of London year-round. When it's 9 AM in Sydney, it's 11 PM previous day in London.
Opposite Hemispheres Coordination
📞 Overlap Challenge
Sydney: 5:00 PM AEST/AEDT
London: 7:00 AM GMT/BST
Sydney evening = London morning
💼 Limited Overlap
Sydney: 5:00 PM - 11:00 PM
London: 7:00 AM - 1:00 PM
6 hours of afternoon/morning overlap
⚡ Hemisphere Bridge
Sydney evening = London morning
Requires meeting scheduling discipline
Asynchronous work model effective
Hemisphere-Spanning Business Notes
💰 Finance & Banking
ASX (Sydney) opens 9:50 AM = 11:50 PM London previous day. LSE (London) opens 8 AM = 6 PM Sydney same day. Finance teams use 5-7 PM Sydney (7-9 AM London) as primary overlap.
🏢 Multinational Corporations
Global companies operating both hubs. Strategy: Sydney end-of-day send handoff to London morning team. London prepares work for Sydney morning (Sydney evening previous day is London evening).
🚀 Tech & Services
London tech capital Europe. Sydney tech hub Oceania. Cross-timezone collaboration: 5-7 PM Sydney calls (7-9 AM London) for project coordination, code reviews.
Travel Between Cities
- Flight Duration: ~17 hours (direct) or 20+ with layover
- Jet Lag: Severe (10 hours)
- Recovery Time: 3-4 days typical
- Route: Longest common business route (opposite hemisphere)