London to South Dakota time converter

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

London BST

Wednesday, October 21, 2026

South Dakota CDT

Wednesday, October 21, 2026

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

London to South Dakota conversion table

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

LondonSouth Dakota
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 South Dakota).

Daylight saving time and the difference

The difference changes during the year because London and South Dakota 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

More conversions

South Dakota to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to South DakotaLos Angeles to South DakotaChicago to South DakotaToronto to South DakotaSão Paulo to South DakotaParis to South DakotaBerlin to South DakotaMoscow to South DakotaDubai to South DakotaNew Delhi to South DakotaBangkok to South DakotaSingapore to South Dakota

Questions and answers

What is the time difference between London and South Dakota?

South Dakota is 6 hours behind London.

What time is it in South Dakota when it is 9 AM in London?

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

When is the best time to call South Dakota from London?

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

Does the time difference between London and South Dakota change?

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