London to Castries time
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GMT · UTC+0 → AST · UTC−4
London is 4 hours ahead of Castries
London · GMT
Friday, 6 November 2026
Castries · AST
Friday, 6 November 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
0003060912151821
LondonGMT · +00:00
0003060912151821
CastriesAST · -04:00
2023020508111417
Shared working hours: 13:00–18:00 in London is 09:00–14:00 in Castries.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
10:19 Fri 6 Nov London = 06:19 Fri 6 Nov Castries
Hour-by-hour conversion
| LondonEvery hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Castries | |
|---|---|---|
| 00:00 | 20:00prev. day | |
| 01:00 | 21:00prev. day | |
| 02:00 | 22:00prev. day | |
| 03:00 | 23:00prev. day | |
| 04:00 | 00:00 | |
| 05:00 | 01:00 | |
| 06:00 | 02:00 | |
| 07:00 | 03:00 | |
| 08:00 | 04:00 | |
| 09:00 | 05:00 | |
| 10:00 | 06:00 | Now |
| 11:00 | 07:00 | |
| 12:00 | 08:00 | |
| 13:00 | 09:00 | Both at work |
| 14:00 | 10:00 | Both at work |
| 15:00 | 11:00 | Both at work |
| 16:00 | 12:00 | Both at work |
| 17:00 | 13:00 | Both at work |
| 18:00 | 14:00 | |
| 19:00 | 15:00 | |
| 20:00 | 16:00 | |
| 21:00 | 17:00 | |
| 22:00 | 18:00 | |
| 23:00 | 19:00 |
Planning between London and Castries
London (Europe/London) is UTC+0 and Castries (America/St_Lucia) is UTC−4 right now. Working hours are shown as 09:00–18:00 local, sleeping hours as 23:00–07:00.
- 09:00 in London is 05:00 in Castries
- 12:00 in London is 08:00 in Castries
- 15:00 in London is 11:00 in Castries
- 18:00 in London is 14:00 in Castries
Reverse: Castries to London. Or open both in the meeting planner with more cities.