Chicago to London Time Converter
Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 4, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 4, 2026
Chicago is 6 hours behind London.
How the time difference changes
For most of the year, Chicago is 6 hours behind London. At other times of the year, Chicago is 5 hours behind London.
For most of the year, working hours of 9:00 am to 5:00 pm in Chicago correspond to 3:00 pm to 11:00 pm in London. At other times of the year, working hours of 9:00 am to 5:00 pm in Chicago correspond to 2:00 pm to 10:00 pm in London.For most of the year, working hours of 09:00 to 17:00 in Chicago correspond to 15:00 to 23:00 in London. At other times of the year, working hours of 09:00 to 17:00 in Chicago correspond to 14:00 to 22:00 in London.
Compare Chicago time with London time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
CDT (Central Daylight Time) is 6 hours behind BST (British Summer Time).
7:00 am07:00 in Chicago, IL, USA is 1:00 pm13:00 in London, United Kingdom
Chicago to London call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in Chicago which corresponds to 3pm-5pm15:00-17:00 in London
7:00 am07:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
7:00 am07:00 Chicago, IL, USA / 1:00 pm13:00 London, United Kingdom
| Chicago, IL, USA | London, United Kingdom |
|---|---|
| 12:00am | 6:00am |
| 1:00am | 7:00am |
| 2:00am | 8:00am |
| 3:00am | 9:00am |
| 4:00am | 10:00am |
| 5:00am | 11:00am |
| 6:00am | 12:00pm |
| 7:00am | 1:00pm |
| 8:00am | 2:00pm |
| 9:00am | 3:00pm |
| 10:00am | 4:00pm |
| 11:00am | 5:00pm |
| 12:00pm | 6:00pm |
| 1:00pm | 7:00pm |
| 2:00pm | 8:00pm |
| 3:00pm | 9:00pm |
| 4:00pm | 10:00pm |
| 5:00pm | 11:00pm |
| 6:00pm | 12:00am |
| 7:00pm | 1:00am |
| 8:00pm | 2:00am |
| 9:00pm | 3:00am |
| 10:00pm | 4:00am |
| 11:00pm | 5:00am |
| 00:00 | 06:00 |
| 01:00 | 07:00 |
| 02:00 | 08:00 |
| 03:00 | 09:00 |
| 04:00 | 10:00 |
| 05:00 | 11:00 |
| 06:00 | 12:00 |
| 07:00 | 13:00 |
| 08:00 | 14:00 |
| 09:00 | 15:00 |
| 10:00 | 16:00 |
| 11:00 | 17:00 |
| 12:00 | 18:00 |
| 13:00 | 19:00 |
| 14:00 | 20:00 |
| 15:00 | 21:00 |
| 16:00 | 22:00 |
| 17:00 | 23:00 |
| 18:00 | 00:00 |
| 19:00 | 01:00 |
| 20:00 | 02:00 |
| 21:00 | 03:00 |
| 22:00 | 04:00 |
| 23:00 | 05:00 |
Chicago Information
Time Zone
CST - Central Standard Time
-6:00 hours during Central Standard Time.
Sunday, March 8, 2026 at 2:00 amSunday, March 8, 2026 at 02:00 local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 amSunday, March 8, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00 local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 amSunday, November 1, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.Chicago Facts
London Information
Time Zone
GMT - Greenwich Mean Time
+0:00 hours during Greenwich Mean Time.
Sunday, March 29, 2026 at 1:00 amSunday, March 29, 2026 at 01:00 local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 amSunday, March 29, 2026 at 02:00 local daylight time instead. Also called Spring Forward or Summer Time.Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 at 02:00 local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 amSunday, October 25, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.