London to Cai Lay 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).

• 09:00 AM – 11:00 AM in London03:00 PM – 05:00 PM in Cai Lay

Frequently Asked Questions

What is the time difference between London and Cai Lay?

Cai Lay is 6 hours ahead of London. London is currently UTC+1 and Cai Lay is UTC+7.

Is Cai Lay ahead of or behind London?

Cai Lay is ahead of London.

What is the best time to call Cai Lay from London?

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

Does the time difference between London and Cai Lay change during the year?

Yes. London and Cai Lay 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.