Time Difference Between Ottawa South and London
London is 5 hours ahead Ottawa South.
Canada
Ottawa South
America/Toronto · UTC-4
United Kingdom
London
Europe/London · UTC+1
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Ottawa South and London.
Ottawa South
9:00 AM
London
2:00 PM
Ottawa South
10:00 AM
London
3:00 PM
Ottawa South
11:00 AM
London
4:00 PM
Ottawa South
12:00 PM
London
5:00 PM
Ottawa South to London — 24-Hour Conversion
Each row shows the equivalent local time in London for an hour in Ottawa South. Working-hours rows (9–18) are highlighted.
| Ottawa South | London | Match |
|---|---|---|
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Ottawa South | ||
| Workday in Ottawa South | ||
| Workday in Ottawa South | ||
| Workday in Ottawa South | ||
| Workday in Ottawa South | ||
| Off hours | ||
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Ottawa South and London?
London, United Kingdom (UTC+1) is 5 hours ahead Ottawa South, Canada (UTC-4).
What is the best time to schedule a meeting between Ottawa South and London?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Ottawa South and London?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Ottawa South, what time is it in London?
Use the conversion table on this page — every hour in Ottawa South is mapped to its equivalent local time in London, including day shift markers when the date differs.