Does this converter handle daylight saving time?

Yes. The offset between London and Chicago can change across the year as either zone enters or leaves DST. Pick any date in the converter and the exact offset for that date is used.

🇬🇧 London to Chicago 🇺🇸 time converter

Convert any time from London (GMT/BST) to Chicago (CT (CST/CDT)), with daylight saving handled correctly for the date you choose.

Chicago is currently 6 hours behind London.

London: Wed, Nov 11, 2026, 1:33 PM UTC+00:00 (GMT) · Chicago: Wed, Nov 11, 2026, 7:33 AM UTC-06:00 (CST)

London 00h → 23hblue/green = 9am–6pm working hoursChicago local hour

Convert London to Chicago on any date

From zone

To zone

Date & time (in “from” zone)

Get this conversion as JSON (developer API)

curl "https://tz.wrapper-agency.com/api/v1/tz?from=Europe%2FLondon&to=America%2FChicago&time=2008-11-04T09%3A00"

Free timezone API — no key during beta. DST-correct, IANA tz database.

Current offsets

🇬🇧 London	UTC+00:00
🇺🇸 Chicago	UTC-06:00
Difference	−6h

FAQ

What time is it in Chicago when it's noon in London?: Use the converter above — enter 12:00 on your date in London and you'll get the exact Chicago local time, DST included.
Why does the time difference change during the year?: London and Chicago may observe daylight saving on different schedules (or not at all), so the gap between them shifts on clock-change dates.