London to Blue Island time converter

Blue Island is 6 hours behind London. When it is 9:00 AM in London, it is 3:00 AM in Blue Island.

London BST

Wednesday, October 21, 2026

Blue Island CDT

Wednesday, October 21, 2026

United Kingdom
Wed, Oct 21
BSTUTC+1
Illinois, United States
Wed, Oct 21
CDTUTC-5-6h
Finding your time zone…

9:16 AM in London, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

London to Blue Island conversion table

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

LondonBlue Island
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 Blue Island).

Daylight saving time and the difference

The difference changes during the year because London and Blue Island 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 Blue Island are 6,373 km (3,960 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between London and Blue Island?

Blue Island is 6 hours behind London.

What time is it in Blue Island when it is 9 AM in London?

When it is 9:00 AM in London, it is 3:00 AM in Blue Island.

When is the best time to call Blue Island from London?

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

Does the time difference between London and Blue Island change?

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