Time Difference Between Castries and London

London is 5 hours ahead Castries.

Saint Lucia

Castries

America/St_Lucia · UTC-4

United Kingdom

London

Europe/London · UTC+1

Best Times to Meet

Hours where standard working time (9 AM – 6 PM) overlaps in both Castries and London.

  • Castries

    9:00 AM

    London

    2:00 PM

  • Castries

    10:00 AM

    London

    3:00 PM

  • Castries

    11:00 AM

    London

    4:00 PM

  • Castries

    12:00 PM

    London

    5:00 PM

Castries to London — 24-Hour Conversion

Each row shows the equivalent local time in London for an hour in Castries. Working-hours rows (9–18) are highlighted.

CastriesLondonMatch
Off hours
Off hours
Off hours
Off hours
Workday in London
Workday in London
Workday in London
Workday in London
Workday in London
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Workday in Castries
Workday in Castries
Workday in Castries
Workday in Castries
Workday in Castries
Off hours
+1 dayOff hours
+1 dayOff hours
+1 dayOff hours
+1 dayOff hours
+1 dayOff hours

Frequently Asked Questions

What is the time difference between Castries and London?

London, United Kingdom (UTC+1) is 5 hours ahead Castries, Saint Lucia (UTC-4).

What is the best time to schedule a meeting between Castries and London?

The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.

Does daylight saving time change the difference between Castries and London?

Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.

When it is 9 AM in Castries, what time is it in London?

Use the conversion table on this page — every hour in Castries is mapped to its equivalent local time in London, including day shift markers when the date differs.