FreeTimeZoneConverterES (Español)

Chicago to London time

London is 5 hours ahead of Chicago from March 8 to March 29 and from October 25 to November 1, and 6 hours ahead the rest of 2026. Type any time below, or pick another place.

Then in London
3:00 PM
Friday, November 13
6 hours ahead of Chicago · GMT

Chicago to London, hour by hour (Nov 13, 2026)

Chicago CSTLondon GMT
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AMSat
7:00 PM1:00 AMSat
8:00 PM2:00 AMSat
9:00 PM3:00 AMSat
10:00 PM4:00 AMSat
11:00 PM5:00 AMSat

Shaded rows: 9 AM to 5 PM in both places. A weekday is shown next to times that fall on a different day. The table follows the date picked above.

When daylight saving changes the gap

2026

  • Jan 1 – Mar 8 6 hours ahead of Chicago
  • Mar 8 – Mar 29 5 hours ahead of Chicago
  • Mar 29 – Oct 25 6 hours ahead of Chicago
  • Oct 25 – Nov 1 5 hours ahead of Chicago
  • Nov 1 – Dec 31 6 hours ahead of Chicago

Chicago moves its clocks forward on March 8 (2:00 AM becomes 3:00 AM) and back on November 1 (2:00 AM becomes 1:00 AM). London moves its clocks forward on March 29 (1:00 AM becomes 2:00 AM) and back on October 25 (2:00 AM becomes 1:00 AM).

2027

  • Jan 1 – Mar 14 6 hours ahead of Chicago
  • Mar 14 – Mar 28 5 hours ahead of Chicago
  • Mar 28 – Oct 31 6 hours ahead of Chicago
  • Oct 31 – Nov 7 5 hours ahead of Chicago
  • Nov 7 – Dec 31 6 hours ahead of Chicago

Chicago moves its clocks forward on March 14 (2:00 AM becomes 3:00 AM) and back on November 7 (2:00 AM becomes 1:00 AM). London moves its clocks forward on March 28 (1:00 AM becomes 2:00 AM) and back on October 31 (2:00 AM becomes 1:00 AM).

Chicago and London time zones

Here CST means US Central Time: Chicago, Dallas, Houston, Minneapolis, New Orleans and Winnipeg. That's CST (UTC−6) in winter and CDT (UTC−5) from March 8 to November 1, 2026. CST is also the abbreviation for China Standard Time (UTC+8) and Cuba Standard Time; for China, search for Beijing or "China Standard Time" in the converter.

BST (British Summer Time, UTC+1) is the UK's summer time, used from March 29 to October 25, 2026. Outside those dates the UK is on GMT (UTC+0). This page follows the clock in London, so on a winter date it converts from GMT; the result is the real UK time either way.

Questions

What is the time difference between Chicago and London?

London is 5 hours ahead of Chicago from March 8 to March 29 and from October 25 to November 1, and 6 hours ahead the rest of 2026.

What time is it in London when it's 9 AM in Chicago?

Until March 14, 2027, 9:00 AM in Chicago is 3:00 PM in London, noon in Chicago is 6:00 PM in London, and 5:00 PM in Chicago is 11:00 PM in London.

When do working hours overlap?

Until March 14, 2027, 2 hours of a 9-to-5 day overlap: 9:00 AM to 11:00 AM in Chicago is 3:00 PM to 5:00 PM in London.

What if it's winter in the UK?

Then the UK is on GMT, not BST. BST only runs from March 29 to October 25, 2026. This converter follows London, so it automatically uses GMT on winter dates.

Related conversions