Time difference between Chicago and Calgary
Calgary (UTC-06:00, MDT) is 1h behind Chicago (UTC-05:00, CDT). Working hours overlap for 7 hours: 10:00–17:00 in Chicago is 09:00–16:00 in Calgary.
Daylight saving time and clock changes
| City | Zone | Current offset | DST now | Next clock change |
|---|---|---|---|---|
| Chicago | America/Chicago | UTC-05:00 · CDT | In effect | — clocks go back to UTC-06:00 |
| Calgary | America/Edmonton | UTC-06:00 · MDT | Not observed | No clock change scheduled |
Because at least one of these cities changes its clocks, the difference between them is not the same all year.
Hour by hour comparison
| Chicago | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calgary | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
Working hours overlap for 7 hours: 10:00–17:00 in Chicago is 09:00–16:00 in Calgary.
Both cities on the map
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