Time difference between Calgary and Chicago
Compare the current local time in Calgary and Chicago, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When Calgary's 9:00–17:00 business hours overlap with Chicago's.
Calgary working hours
Chicago working hours
Overlap (both working)
🇨🇦 Calgary
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🇺🇸 Chicago
Scheduling across Calgary and Chicago
Working across Calgary and Chicago is very easy. Their standard business hours overlap for around 7 hours every day, from 09:00 to 16:00 in Calgary (10:00 to 17:00 in Chicago). Meetings can sit comfortably inside the regular working day on both sides.
Quick reference
| 🇨🇦 Calgary | 🇺🇸 Chicago | In Chicago it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇨🇦 Calgary
Currently in MDT (daylight saving)
Clocks go back to MST
on Sunday 1 November 2026
🇺🇸 Chicago
Currently in CDT (daylight saving)
Clocks go back to CST
on Sunday 1 November 2026