Siem Reap to London Time Difference

24-Hour Comparison

Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.

Best Time to Call

On a typical weekday (Monday–Friday).

• 03:00 PM – 05:00 PM in Siem Reap09:00 AM – 11:00 AM in London

Frequently Asked Questions

What is the time difference between Siem Reap and London?

London is 6 hours behind Siem Reap. Siem Reap is currently UTC+7 and London is UTC+1.

Is London ahead of or behind Siem Reap?

London is behind Siem Reap.

What is the best time to call London from Siem Reap?

On a typical weekday, the best time is 03:00 PM–05:00 PM in Siem Reap (09:00 AM–11:00 AM in London), when both cities are within business hours.

Does the time difference between Siem Reap and London change during the year?

Yes. Siem Reap and London don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.