London to Ottawa time
LondonUnited Kingdom7:11:35 PMSun 27 Sept · BST UTC+1
5 hOttawa is behind
OttawaCanada2:11:35 PMSun 27 Sept · EDT UTC−4Synchronising…
London and Ottawa time difference
Ottawa is currently 5 h behind London. London is on BST (UTC+01:00) and Ottawa is on EDT (UTC−04:00).
The difference can change with daylight saving time. The next change is in London on Sunday, 25 October 2026, after which Ottawa will be 4 h behind London.
If it is 9:00 in London, what time is it in Ottawa?
It is 04:00 in Ottawa.
What is the best time for a call between London and Ottawa?
Use the planner above: green hours are within 9:00–17:00 in both places.