time difference · live
London to Sydney
+10h or +11h ahead in Sydney. London morning = Sydney evening, near zero overlap.
GMT/BST ↔ AEST/AEDT
DST aware
business overlap chart
London
--:--
Sydney
--:--
Business hours overlap (24h)
Top row: working hours (09:00–17:00) in London. Bottom row: working hours in Sydney. Highlighted columns are when both cities are in business hours simultaneously.
UTC →
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London
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Sydney
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off-hours
one city working
both cities working
Why this pair matters
London morning = Sydney evening, near zero overlap. Used for follow-the-sun support handoffs (London takes over from Sydney closing shift).
DST & offset notes
| Period | London (GMT/BST) | Sydney (AEST/AEDT) | Difference |
|---|---|---|---|
| Standard time (winter) | GMT | AEST | 10h offset |
| Daylight saving (summer) | BST | AEDT | ~10h offset (varies during DST handover) |
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london → tokyo · new york → paris · san francisco → bengaluru · new york → london