London to Crystal Lake time converter

Crystal Lake is 6 hours behind London. When it is 9:00 AM in London, it is 3:00 AM in Crystal Lake.

London BST

Wednesday, October 21, 2026

Crystal Lake CDT

Tuesday, October 20, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Crystal Lake
Illinois, United States
Tue, Oct 20
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Crystal Lake conversion table

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

LondonCrystal Lake
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 Crystal Lake).

Daylight saving time and the difference

The difference changes during the year because London and Crystal Lake 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 Crystal Lake are 6,368 km (3,957 miles) apart in a straight line.

More conversions

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New York to Crystal LakeLos Angeles to Crystal LakeChicago to Crystal LakeToronto to Crystal LakeSão Paulo to Crystal LakeParis to Crystal LakeBerlin to Crystal LakeMoscow to Crystal LakeDubai to Crystal LakeNew Delhi to Crystal LakeBangkok to Crystal LakeSingapore to Crystal Lake

Questions and answers

What is the time difference between London and Crystal Lake?

Crystal Lake is 6 hours behind London.

What time is it in Crystal Lake when it is 9 AM in London?

When it is 9:00 AM in London, it is 3:00 AM in Crystal Lake.

When is the best time to call Crystal Lake from London?

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

Does the time difference between London and Crystal Lake change?

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