Castries to London time converter

London is 5 hours ahead of Castries. When it is 9:00 AM in Castries, it is 2:00 PM in London.

Castries AST

Monday, October 19, 2026

London BST

Monday, October 19, 2026

Castries
Saint Lucia
Mon, Oct 19
ASTUTC-4
London
United Kingdom
Mon, Oct 19
BSTUTC+1+5h
Finding your time zone…
Shared working hours (9:00–18:00)

Castries to London conversion table

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

CastriesLondon
12:00 AM5:00 AM
1:00 AM6:00 AM
2:00 AM7:00 AM
3:00 AM8:00 AM
4:00 AM9:00 AM
5:00 AM10:00 AM
6:00 AM11:00 AM
7:00 AM12:00 PM
8:00 AM1:00 PM
9:00 AM2:00 PM
10:00 AM3:00 PM
11:00 AM4:00 PM
12:00 PM5:00 PM
1:00 PM6:00 PM
2:00 PM7:00 PM
3:00 PM8:00 PM
4:00 PM9:00 PM
5:00 PM10:00 PM
6:00 PM11:00 PM
7:00 PM12:00 AM+1 day
8:00 PM1:00 AM+1 day
9:00 PM2:00 AM+1 day
10:00 PM3:00 AM+1 day
11:00 PM4:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 1:00 PM in Castries (2:00 PM – 6:00 PM in London).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 24, 2026: +5h
  • Oct 24, 2026 – Mar 27, 2027: +4h
  • Mar 27, 2027 – Oct 19, 2027: +5h

Distance

Castries and London are 6,795 km (4,222 miles) apart in a straight line.

More conversions

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New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Castries and London?

London is 5 hours ahead of Castries.

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

When it is 9:00 AM in Castries, it is 2:00 PM in London.

When is the best time to call London from Castries?

Both sides are at work from 9:00 AM – 1:00 PM in Castries (2:00 PM – 6:00 PM in London).

Does the time difference between Castries and London change?

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