AEST to GMT Converter

London is 9 hours behind Sydney
Sydney: Australian Eastern Standard Time (GMT+10, UTC+10:00) ·London: British Summer Time (GMT+1, UTC+1:00)

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GMT+10 vs GMT+1 — time difference explained

Sydney is in the Australian Eastern Standard Time (GMT+10), currently at UTC+10:00.

London is in the British Summer Time (GMT+1), currently at UTC+1:00.

London is 9 hours behind Sydney. Both time zones automatically reflect Daylight Saving Time (DST) changes based on your selected date.

Use the timezone converter above to quickly timezone convert between Sydney (GMT+10) and London (GMT+1). Select any date to see the exact UTC offset and compare times in real time.

Quick reference

Sydney
GMT+10
UTC+10:00
Australian Eastern Standard Time
London
GMT+1
UTC+1:00
British Summer Time

Frequently asked questions

What is the time difference between Sydney and London?
London is 9 hours behind Sydney. The current UTC offsets are: Sydney at UTC+10:00 and London at UTC+1:00.
How do I convert GMT+10 to GMT+1?
Use the converter above. Enter your time in Sydney (GMT+10) and all displayed times will update instantly, including London (GMT+1).
Does the GMT+10 to GMT+1 offset change with Daylight Saving Time?
Yes, if either time zone observes DST, the offset between them may change by 1 hour at the DST transition dates. The converter above always uses the correct DST-adjusted offset for the selected date.
Which timezone converter should I use for Sydney to London?
The Timezone Convert tool on this page is a free, accurate timezone converter for Sydney (GMT+10) to London (GMT+1). It's DST-aware, works for any date, and requires no sign-up.