Chicago to Calgary time converter
Calgary is 1 hour behind Chicago. When it is 9:00 AM in Chicago, it is 8:00 AM in Calgary.
4:21 PM in Chicago, Friday, October 16, 2026
Chicago to Calgary conversion table
Every hour of today in Chicago and the matching time in Calgary. Light rows are typical working hours (9:00–18:00).
| Chicago | Calgary |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Chicago (9:00 AM – 5:00 PM in Calgary).
Daylight saving time and the difference
The difference changes during the year because Chicago and Calgary switch clocks on different dates:
- Oct 16, 2026 – Nov 1, 2026: -1h
- Nov 1, 2026 – Mar 14, 2027: ±0
- Mar 14, 2027 – Oct 16, 2027: -1h
Distance
Chicago and Calgary are 2,252 km (1,399 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and Calgary?
Calgary is 1 hour behind Chicago.
What time is it in Calgary when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 8:00 AM in Calgary.
When is the best time to call Calgary from Chicago?
Both sides are at work from 10:00 AM – 6:00 PM in Chicago (9:00 AM – 5:00 PM in Calgary).
Does the time difference between Chicago and Calgary change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.