London to Arlington Heights time converter

Arlington Heights is 6 hours behind London. When it is 9:00 AM in London, it is 3:00 AM in Arlington Heights.

London BST

Wednesday, October 21, 2026

Arlington Heights CDT

Wednesday, October 21, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Arlington Heights
Illinois, United States
Wed, Oct 21
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Arlington Heights conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 21, 2027: -6h

Distance

London and Arlington Heights are 6,359 km (3,951 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and Arlington Heights?

Arlington Heights is 6 hours behind London.

What time is it in Arlington Heights when it is 9 AM in London?

When it is 9:00 AM in London, it is 3:00 AM in Arlington Heights.

When is the best time to call Arlington Heights from London?

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

Does the time difference between London and Arlington Heights change?

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