London to Chicago (Central) — Time Zone Converter
GMT/BST (UTC+1) → CT (UTC-5). Chicago (Central) is 6 hours behind relative to London right now.
London
Oct 7, 2026, 12:54 PM
Chicago (Central)
Oct 7, 2026, 6:54 AM
Need the reverse? Chicago (Central) to London →
Sample times — GMT/BST to CT
Sample conversions for today; daylight saving applied.
About London and Chicago (Central)London vs Chicago (Central) time difference through 2026
The gap changes 4 times during 2026, because London and Chicago (Central) switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
Dates (2026) GMT/BST CT Difference Jan 1 – Mar 7 UTC UTC−6 Chicago (Central) is 6 hours behind Mar 8 – Mar 28 UTC UTC−5 Chicago (Central) is 5 hours behind Mar 29 – Oct 24 UTC+1 UTC−5 Chicago (Central) is 6 hours behind Oct 25 – Oct 31 UTC UTC−5 Chicago (Central) is 5 hours behind Nov 1 – Dec 31 UTC UTC−6 Chicago (Central) is 6 hours behind
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London vs Chicago (Central) time difference through 2026
The gap changes 4 times during 2026, because London and Chicago (Central) switch to and from daylight saving time on different dates. Double-check meetings booked in the weeks around each switch.
| Dates (2026) | GMT/BST | CT | Difference |
|---|---|---|---|
| Jan 1 – Mar 7 | UTC | UTC−6 | Chicago (Central) is 6 hours behind |
| Mar 8 – Mar 28 | UTC | UTC−5 | Chicago (Central) is 5 hours behind |
| Mar 29 – Oct 24 | UTC+1 | UTC−5 | Chicago (Central) is 6 hours behind |
| Oct 25 – Oct 31 | UTC | UTC−5 | Chicago (Central) is 5 hours behind |
| Nov 1 – Dec 31 | UTC | UTC−6 | Chicago (Central) is 6 hours behind |
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London to Chicago conversions matter for UK teams supporting Midwest operations. A London mid-afternoon meeting is a morning slot in Chicago, which is why UK-to-US calls cluster around 2:00–4:00 PM London time.
Frequently asked questions
What is the time difference between London and Chicago (Central)?
Right now the offset is about 6 hours behind (from GMT/BST to CT). Daylight saving rules differ by region, so use the converter and table above rather than memorising a single number year-round.
Does daylight saving affect London vs Chicago (Central)?
Yes, whenever either region springs forward or falls back, the gap can shift by an hour. This page uses the IANA time-zone database so those transitions are applied automatically.
How do I schedule a meeting across the United Kingdom and the US Central states?
Pick a time in the converter, share both columns with attendees, and avoid early-morning or late-night slots on one side. The sample table lists common business hours in the source zone.
Related time zone conversions
Related tools
These free tools pair well with this page — open them in a new tab to finish your workflow.