Time Difference: Calgary to London
Click a time to convert
Calgary vs London timezone guide
Calgary (Canada) uses the America/Edmonton timezone at UTC-7, while London (UK) uses Europe/London at UTC+0. This means London is 7 hours ahead of Calgary (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between Calgary and London
Standard 9-to-5 working hours overlap by 1 hours per day. The shared window is 9am–10am in Calgary, which is 4pm–5pm in London. Schedule recurring meetings inside that window and both teams stay inside standard working hours.
Hour-by-hour planner
| Calgary | London | Status |
|---|---|---|
| 6am | 1pm | One side outside 9-to-5 but still awake |
| 7am | 2pm | One side outside 9-to-5 but still awake |
| 8am | 3pm | One side outside 9-to-5 but still awake |
| 9am | 4pm | Both at work — ideal meeting time |
| 10am | 5pm | One side outside 9-to-5 but still awake |
| 11am | 6pm | One side outside 9-to-5 but still awake |
| 12pm | 7pm | One side outside 9-to-5 but still awake |
| 1pm | 8pm | One side outside 9-to-5 but still awake |
| 2pm | 9pm | One side outside 9-to-5 but still awake |
| 3pm | 10pm | Calgary working hours, London late evening |
| 4pm | 11pm | Calgary working hours, London late evening |
| 5pm | 12am | Calgary evening, London asleep |
| 6pm | 1am | Calgary evening, London asleep |
| 7pm | 2am | Calgary evening, London asleep |
| 8pm | 3am | Calgary evening, London asleep |
| 9pm | 4am | Calgary evening, London asleep |
| 10pm | 5am | Calgary late evening, London asleep |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between Calgary and London
Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 7 hours behind temporarily shifts.
- Mar 8 → Mar 28Difference temporarily 6 hours behind.
- Oct 24 → Nov 1Difference temporarily 6 hours behind.
Calgary transitions on March 8, 2026 and November 1, 2026. London transitions on March 29, 2026 and October 25, 2026.
Distance between Calgary and London
Calgary and London are 7,035 km apart along the great-circle route. A direct flight takes roughly ~9h 17m, depending on aircraft type, winds, and routing.