Time Difference Between Chicago and Seattle
Chicago is 2 hours ahead of Seattle. Live local times, working-hour overlap and a 24-hour meeting suitability table, computed from the IANA time zone database in your browser.
Best time to meet
On a normal weekday the two cities share 7 hours of overlapping working time: 11:00–18:00 in Chicago, which is 09:00–16:00 in Seattle. That is the window to protect for recurring meetings.
Next 24 hours
Scored against a 09:00–18:00 weekday working day in both cities. Updates live.
| Chicago | Seattle | Suitability |
|---|---|---|
| Loading live table… | ||
Chicago working hours converted to Seattle
| Chicago time | Seattle time |
|---|---|
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 12:00 | 10:00 |
| 14:00 | 12:00 |
| 16:00 | 14:00 |
| 18:00 | 16:00 |
Based on a 09:00–18:00 working day and today's UTC offsets (UTC-5 and UTC-7).
Frequently asked questions
What is the time difference between Chicago and Seattle?
Chicago is 2 hours ahead of Seattle: UTC-5 versus UTC-7. Both figures include any daylight saving currently in force.
What is the best time to call from Chicago to Seattle?
Aim for 11:00–18:00 in Chicago, which lands at 09:00–16:00 in Seattle. Both sides stay inside a normal working day.
Does the overlap between Chicago and Seattle change during the year?
Yes, whenever the two regions do not switch daylight saving on the same date — or one does not observe it at all. The window above is computed for today's rules; re-check it in the weeks after a clock change.