London to St. Louis time converter

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

London BST

Wednesday, October 21, 2026

St. Louis CDT

Tuesday, October 20, 2026

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

London to St. Louis conversion table

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

LondonSt. Louis
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 St. Louis).

Daylight saving time and the difference

The difference changes during the year because London and St. Louis 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 St. Louis are 6,760 km (4,200 miles) apart in a straight line.

More conversions

St. Louis 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 St. LouisLos Angeles to St. LouisChicago to St. LouisToronto to St. LouisSão Paulo to St. LouisParis to St. LouisBerlin to St. LouisMoscow to St. LouisDubai to St. LouisNew Delhi to St. LouisBangkok to St. LouisSingapore to St. Louis

Questions and answers

What is the time difference between London and St. Louis?

St. Louis is 6 hours behind London.

What time is it in St. Louis when it is 9 AM in London?

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

When is the best time to call St. Louis from London?

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

Does the time difference between London and St. Louis change?

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