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Ottawa is 2 hours ahead of Calgary

Best overlap: 8:00 AM to 4:00 PM in Calgary is 10:00 AM to 6:00 PM in Ottawa.

Keep meetings inside 8:00 AM to 4:00 PM in Calgary — that maps to 10:00 AM to 6:00 PM in Ottawa. Despite the 2-hour difference, an 8-hour overlap keeps things simple and gives both teams breathing room.

Time in Calgary/Time in Ottawa

Local time
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Calgary
America/Edmonton
Ottawa
America/Toronto

Frequently Asked Questions

What is the time difference between Calgary and Ottawa?
Ottawa is 2 hours ahead of Calgary.
What are the best overlapping working hours between Calgary and Ottawa?
The best time to meet is between 8:00 AM to 4:00 PM in Calgary, which corresponds to 10:00 AM to 6:00 PM in Ottawa.
How many hours overlap between Calgary and Ottawa during a typical workday?
There are about 8 overlapping hours per day.
Does Daylight Saving Time affect the time difference between Calgary and Ottawa?
Both Calgary and Ottawa observe Daylight Saving Time. However, if their DST transition dates differ, the time difference may temporarily change during those periods.

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