Northbrook to London time converter

London is 6 hours ahead of Northbrook. When it is 9:00 AM in Northbrook, it is 3:00 PM in London.

Northbrook CDT

Sunday, October 18, 2026

London BST

Monday, October 19, 2026

Illinois, United States
Sun, Oct 18
CDTUTC-5
United Kingdom
Mon, Oct 19
BSTUTC+1+6h
Finding your time zone…

7:18 PM in Northbrook, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Northbrook to London conversion table

Every hour of today in Northbrook and the matching time in London. Light rows are typical working hours (9:00–18:00).

NorthbrookLondon
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 AM+1 day
7:00 PM1:00 AM+1 day
8:00 PM2:00 AM+1 day
9:00 PM3:00 AM+1 day
10:00 PM4:00 AM+1 day
11:00 PM5:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Northbrook (3:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Northbrook and London switch clocks on different dates:

  • Oct 18, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 18, 2027: +6h

Distance

Northbrook and London are 6,347 km (3,944 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Northbrook and London?

London is 6 hours ahead of Northbrook.

What time is it in London when it is 9 AM in Northbrook?

When it is 9:00 AM in Northbrook, it is 3:00 PM in London.

When is the best time to call London from Northbrook?

Both sides are at work from 9:00 AM – 12:00 PM in Northbrook (3:00 PM – 6:00 PM in London).

Does the time difference between Northbrook and London change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.