Best Meeting Time: Calgary to London
🕐 Live Timezone Overlap: Calgary & London
Meetings between Calgary and London hinge on a 2-hour window each working day. Calgary sits 7 hours ahead of London at the time of writing, which puts the comfortable overlap at 9:00 AM to 11:00 AM Calgary time. Teams that work across these two cities tend to anchor their week-on-week sync into that block and push everything else to written updates. The widget below shows the exact mapping in both directions, including the small DST seasonal shift when one or both cities change clocks.
Time Difference: Calgary and London
London is currently 7 hours ahead of Calgary. The live offsets are Calgary UTC-6 and London UTC+1. Calgary observes daylight saving and London also observes daylight saving, so the offset shifts twice a year if both sides aren't already aligned.
Calgary observes daylight saving time, and London also observes DST. When either side switches, the offset shifts by an hour. The US and Europe also change clocks on different weekends, so for one week in spring and one in autumn the usual offset between US and European cities is off by an hour. Always confirm with the live tool above when you're scheduling a recurring meeting that spans a DST changeover.
Best Times to Meet
Inside the 2-hour overlap, the best slots depend on local culture. Calgary tends to favour mid-morning meetings; London works 9am–6pm as a default. Aim for the middle of the window where neither side is just starting or wrapping up. Avoid Friday afternoons if the other party has a strong end-of-week culture, and skip lunchtime in whichever city is in the 12–2pm block.
Working Hours Overlap Explained
Calgary operates on America/Edmonton (currently UTC-6). London operates on Europe/London (currently UTC+1). The table below maps a standard 9:00 AM–6:00 PM day in Calgary to London's local time.
| Calgary time | London time | Status |
|---|---|---|
| 9:00 AM | 4:00 PM | London in business hours |
| 10:00 AM | 5:00 PM | London in business hours |
| 11:00 AM | 6:00 PM | London wrapping up |
| 12:00 PM | 7:00 PM | London outside hours |
| 1:00 PM | 8:00 PM | London outside hours |
| 2:00 PM | 9:00 PM | London outside hours |
| 3:00 PM | 10:00 PM | London outside hours |
| 4:00 PM | 11:00 PM | London outside hours |
| 5:00 PM | 12:00 AM | London outside hours |
| 6:00 PM | 1:00 AM | London outside hours |
Tips for Scheduling Across Calgary and London
- Aim for around 10:00 AM Calgary time: the middle of the overlap leaves room for both sides if the call runs long.
- Both cities observe DST, but the changeover dates may differ. Check the offset around late March and late October each year.
- Watch London's holiday calendar: New Year's Day (01-01) takes most offices offline, so plan key meetings around it.
- Send each invite with both cities' local times in the description so neither party has to do the conversion mid-day.
- A 7-hour gap is workable but tight. Hold the live meeting for decisions; push status updates to written async.
Public Holidays and Working Weeks
Canada runs a Monday–Friday working week with a standard public holiday calendar among the key closures. United Kingdom's major holidays include New Year's Day (01-01) and May Bank Holiday (first Monday in May). Cross-check both calendars when scheduling recurring meetings: a 30-minute call in one city's holiday week typically gets a much lower attendance rate than the same slot a week later.