GMT to AWST
Convert London Time — GMT/BST to Australian Western Time — Perth — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in London, it's 4:00 PM in Perth. Perth is 7 hours ahead of London. Use the converter above to turn any GMT time into AWST, or scan the hour-by-hour table below for the full day.
GMT to AWST at a glance
Planning a meeting between London and Perth
Planning a call between London and Perth? The best overlap during a standard 9-to-5 workday runs 9:00 AM–10:00 AM GMT (4:00 PM–5:00 PM AWST). Aim for that window to reach both sides during business hours.
Hour-by-hour: London to Perth
A full day mapped from GMT to AWST.
Frequently asked
Is Perth ahead of or behind London?
Perth is 7 hours ahead of London.
What is 12:00 PM GMT in AWST?
12:00 PM in London is 7:00 PM in Perth.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GMT and AWST automatically reflect the correct daylight-saving offset for the current date.