Convert AEST to GMT — Time Difference Between Australian Eastern Standard Time and Greenwich Mean Time
Drag the slider or click the time display to type a specific hour and instantly convert AEST to GMT — Greenwich Mean Time is 11 hours behind Australian Eastern Standard Time. Scroll down to browse the full AEST to GMT conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in Sydney is in London, and use the date picker to compare times on any day for accurate scheduling.
AEST
Australian Eastern Standard Time
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GMT
Greenwich Mean Time
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AEST to GMT Time Zone Difference — Hour-by-Hour Conversion Table
Scan each row to find what time any hour in Sydney is in London — tap the arrows to jump between days, click "Today" to reset, and use the color-coded bands to quickly spot overlapping work hours, early mornings, and late nights at a glance.
| AEST (Sydney) | GMT (London) |
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How to Convert AEST to GMT
Drag the slider on the AEST timeline to pick your time — the GMT time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.
What Is the Time Difference Between AEST and GMT?
Greenwich Mean Time (GMT) is 11 hours behind Australian Eastern Standard Time (AEST). To convert, subtract 11 hours — for example, 9:00 AM AEST is 10:00 PM (previous day) GMT.
What Time Is It Now in Sydney?
What Time Is It Now in London?
AEST to GMT Quick Reference
AEST to GMT Meeting Planner
Use the color-coded table above to find overlapping work hours between Sydney and London. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.
Why Trust This AEST to GMT Converter?
Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.
Australian Eastern Standard Time
- Abbreviation
- AEST
- UTC Offset
- UTC+11:00
- City
- Sydney
- Country
- Australia
Greenwich Mean Time
- Abbreviation
- GMT
- UTC Offset
- UTC+0:00
- City
- London
- Country
- United Kingdom