Time Zone: London to Sarnia
Time zone difference between London and Sarnia. UTC offsets and best meeting times.
UTC+1
London
GMT+1
UTC-4
Sarnia
EDT
5h
Difference
London is ahead
09:00–17:00
Best Call Time
overlap window
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Frequently Asked Questions
What is the time difference between London and Sarnia?
The time difference between London (UTC+1) and Sarnia (UTC-4) is 5 hours. Sarnia is 5h behind London.
What time zone is Sarnia in?
Sarnia is in the EDT time zone (UTC-4).
What time zone is London in?
London is in the GMT+1 time zone (UTC+1).