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London to Perth Time

GMT to AWST Converter — 9 AM GMT is 5:00 PM AWST

London is 8 hours behind Perth. Convert any time between London (GMT/BST) and Perth (AWST) instantly.

London

United Kingdom

GMT/BST
UTC+0 · GMT/BST

Perth

Australia

AWST
UTC+8 · AWST
London is 8 hours behind Perth.

Add Time Zones to Compare

London(UTC+0)
Perth(UTC+8)

Time Zone Comparison

London
12:00 PM
United Kingdom · GMT/BST
12:00 PM
12amNight
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
Perth
8:00 PM
Australia · AWST
8:00 PM
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
12amNight
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
Working
Evening
Night
Now
Selected Time
Minutes:
London12:00 PM
Perth8:00 PM

London to Perth Time Conversion Table

London (GMT)Perth (AWST)
12:00 AM7:00 AM
2:00 AM9:00 AM
4:00 AM11:00 AM
6:00 AM1:00 PM
8:00 AM3:00 PM
10:00 AM5:00 PM
12:00 PM7:00 PM
2:00 PM9:00 PM
4:00 PM11:00 PM
6:00 PM1:00 AM
8:00 PM3:00 AM
10:00 PM5:00 AM
Working hours (9 AM - 5 PM)
Evening (5 PM - 9 PM)
Night

London & Perth — Business & Scheduling Guide

London (United Kingdom) is a leading center for finance and international trade, with key industries in finance, insurance, media, and professional services. Perth (Australia) is a stable, resource-rich economy in the Asia-Pacific region, known for mining, agriculture, finance, and tourism. With a 8-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.

Scheduling Meetings Between London and Perth

The 8-hour difference between London and Perth requires careful scheduling. The best overlap window is typically 2–4 hours when both cities are within working hours. British business culture values politeness and punctuality, with typical hours of 9 AM–5:30 PM. Australian work culture values work-life balance, with typical hours of 9 AM–5 PM and flexible arrangements common. Teams often designate specific "overlap hours" for real-time collaboration and use asynchronous communication (Slack, email, recorded video) for the rest of the day.

Daylight Saving Time Considerations

London observes Daylight Saving Time (GMT/BST), but Perth does not — it stays on AWST year-round. This means the time difference between London and Perth changes by 1 hour when London switches clocks. During United Kingdom's summer, the gap is 7–9 hours instead of the standard 8 hours. Mark DST transition dates on your calendar to avoid missed meetings.

GMT to AWST — Quick Reference

GMT (GMT/BST) stands for the timezone used in London, United Kingdom (UTC+0). AWST (AWST) is the timezone used in Perth, Australia (UTC+8). London is 8 hours behind Perth.

To convert GMT to AWST, add 8 hours to GMT time. For example, GMT 9:00 AM = AWST 5:00 PM.

Key Facts

  • Time difference: London (UTC+0) is 8 hours behind Perth (UTC+8).
  • Daylight Saving Time: London observes DST (GMT/BST). Perth does not observe DST (AWST).
  • Regions: London is located in United Kingdom and uses the GMT/BST time zone. Perth is located in Australia and uses the AWST time zone.
  • Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.

Frequently Asked Questions

What is the time difference between London and Perth?

London is 8 hours behind Perth.

What time is it in Perth when it's 9 AM in London?

When it's 9:00 AM in London, it is 5:00 PM in Perth.

What time is 9 PM GMT in AWST?

9 PM GMT (London time) is 5:00 AM AWST (Perth time). This is a common time people check when scheduling evening calls across these two time zones.

When is the best time to schedule a meeting between London and Perth?

There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.

How do I convert GMT to AWST?

GMT (GMT/BST) is the timezone for London, United Kingdom (UTC+0). AWST (AWST) is the timezone for Perth, Australia (UTC+8). London is 8 hours behind Perth. Quick examples: 9 AM GMT = 5:00 PM AWST, 12 PM GMT = 8:00 PM AWST, 3 PM GMT = 11:00 PM AWST, 6 PM GMT = 2:00 AM AWST.

Is London ahead of or behind Perth?

London is 8 hours behind Perth. When it's noon in London, it's 8:00 PM in Perth.

Does London or Perth change clocks for Daylight Saving Time?

Yes, London observes DST and switches between GMT/BST. Perth does not observe DST — it stays on AWST year-round. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).

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