🇮🇪 Dublin ↔ 🇺🇸 Chicago

Dublin is usually 6 hours ahead of Chicago. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

Sunrise 4:58 AMSunset 9:58 PM(local)

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

Dublin: daylight saving timeNow UTC+1. Next change: October 25, 2026 — clocks go back 1 hour.
Chicago: daylight saving timeNow UTC-5 CDT. Next change: November 1, 2026 — clocks go back 1 hour.
DublinUTC+1
ChicagoUTC-5CDT

🇮🇪 Dublin

Dialing code+353
Population1,024,027
Coordinates53.33°N, 6.25°W
Elevation17 m

🇺🇸 Chicago

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

Best time for a call: 15:00–18:00 in DublinAdd to calendar

25 October 2026 — 1 November 2026: the gap is 5h instead of the usual 6h — Dublin and Chicago change clocks on different days.

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Dublin and Chicago?
Dublin is 6 hours ahead of Chicago. 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 Dublin and Chicago?
The best window to call is 15:00–18:00 Dublin 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 Dublin and Chicago change?
Because Dublin and Chicago switch to or from daylight saving time on different dates, the gap between them is temporarily larger or smaller for a few weeks around those changes.