London to Bismarck time converter

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

London BST

Monday, October 19, 2026

Bismarck CDT

Monday, October 19, 2026

London
United Kingdom
Mon, Oct 19
BSTUTC+1
Bismarck
North Dakota, United States
Mon, Oct 19
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Bismarck conversion table

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

LondonBismarck
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 Bismarck).

Daylight saving time and the difference

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

  • Oct 19, 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 19, 2027: -6h

Distance

London and Bismarck are 6,731 km (4,182 miles) apart in a straight line.

More conversions

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New York to BismarckLos Angeles to BismarckChicago to BismarckToronto to BismarckSão Paulo to BismarckParis to BismarckBerlin to BismarckMoscow to BismarckDubai to BismarckNew Delhi to BismarckBangkok to BismarckSingapore to Bismarck

Questions and answers

What is the time difference between London and Bismarck?

Bismarck is 6 hours behind London.

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

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

When is the best time to call Bismarck from London?

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

Does the time difference between London and Bismarck change?

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