🇺🇸 Chicago ↔ 🇺🇸 Seattle

Chicago is usually 2 hours ahead of Seattle. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

Sunrise 5:17 AMSunset 8:30 PM(local)

Sunrise 5:13 AMSunset 9:12 PM(local)

Chicago: daylight saving timeNow UTC-5 CDT. Next change: November 1, 2026 — clocks go back 1 hour.
Seattle: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 — clocks go back 1 hour.
ChicagoUTC-5CDT
SeattleUTC-7PDT

🇺🇸 Chicago

Dialing code+1
Population2,664,452
Coordinates41.85°N, 87.65°W
Elevation179 m

🇺🇸 Seattle

Dialing code+1
Population780,995
Coordinates47.61°N, 122.33°W
Elevation56 m

Best time for a call: 11:00–18:00 in ChicagoAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Chicago and Seattle?
Chicago is 2 hours ahead of Seattle. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Chicago and Seattle?
The best window to call is 11:00–18:00 Chicago time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Chicago and Seattle change?
Because at least one of Chicago and Seattle observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).