Time difference between Calgary and Chicago
Chicago and Calgary are on the same clock.
Local time in both cities
Canada
United StatesChicago and Calgary are on the same clock.
same day
Time zones
| Calgary | America/Edmonton · UTC-06:00 |
|---|---|
| Chicago | America/Chicago · UTC-06:00 |
Calgary does not observe daylight saving and stays on UTC-06:00 all year.
Chicago is currently on standard time (UTC-06:00). Next change: 2027-03-14 03:00.
Hour-by-hour conversion
Calculated for 2026-11-07 local time in Calgary. The two places start and end daylight saving on different dates, so another day can give a different result.
| Calgary (source) | Chicago (target) |
|---|---|
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
Other common differences from Calgary
FAQ
- How many hours apart are Calgary and Chicago right now?
- For Calgary and Chicago, the current difference is 0, calculated from today’s time-zone rules. The page shows the local date in both cities on a 24-hour clock. Daylight-saving changes can alter the gap. Use specific-date mode for another day and check for a date rollover rather than carrying today’s offset forward. Verify the intended local date on each side before scheduling, especially when the conversion falls near midnight or the destination observes a different seasonal clock change.
- Does the time difference between Calgary and Chicago stay constant all year?
- The gap between Calgary and Chicago does not necessarily stay constant all year. If the two cities change daylight-saving time on different dates, their difference can vary; months 1 and 7 may show different results. Choose the intended date in specific-date mode and check the converted local date. Do not assume that 1 fixed offset applies for every day of the year, particularly when arranging future meetings or reviewing dates near seasonal clock changes.
- How does the hourly table mark date changes and daylight-saving gaps from Calgary to Chicago?
- The hourly table for Calgary and Chicago lists corresponding local times for each hour and marks the same instant and any date rollover. It covers 24 hourly slots across 2 cities; a local time skipped by a daylight-saving jump is identified instead of being invented. Check the date and the time zones on both sides when arranging a meeting. Shifting the displayed hour alone can give the wrong local date when the conversion crosses midnight.