Chicago to Calgary Time Difference
Calgary is 1 hour behind Chicago. When it is noon in Chicago, it is 11:00 in Calgary.
Chicago (UTC-5) → Edmonton (UTC-6)
🕐 Interactive Time Explorer
When it's 14:00 in Chicago, it's 13:00 in Calgary
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Calgary✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
2,250 km
Est. Flight Time
~3.6h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Chicago
05:00
Calgary
09:00
Chicago
08:00
Calgary
12:00
Chicago
11:00
Calgary
15:00
Chicago
14:00
Calgary
18:00
Chicago
17:00
Calgary
21:00
Chicago
20:00
Calgary
00:00
Chicago
23:00
Calgary (-1)
03:00
Chicago
02:00
Calgary
Frequently Asked Questions
How many hours is Chicago ahead of Calgary?
Calgary is 1 hour behind Chicago. When it is 12:00 noon in Chicago, it is 11:00 in Calgary. Chicago operates on America/Chicago (UTC-5), while Calgary uses America/Edmonton (UTC-6).
What is the best time to call Calgary from Chicago?
There are 8 hours of overlapping business time (9 AM–5 PM) between Chicago and Calgary. The best window is 10:00–18:00 Chicago time (09:00–17:00 in Calgary).
Does the Chicago to Calgary time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Chicago and Calgary
The distance between Chicago and Calgary is approximately 2,250 km. A direct flight typically takes around 3.6 hours. Your arrival clock will show local Calgary time — use our Flight Time Calculator to predict exact arrival times.