Castro to London: time difference
London is 3 h ahead of Castro. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Castro 16:25 4:25 PM London 19:25 7:25 PM You –:–
16:25 4:25 PM
Chile Summer Time · UTC-3
☀️ 06:35 · 🌙 20:44
19:25 7:25 PM
Greenwich Mean Time · UTC+0
☀️ 07:01 · 🌙 16:28
·
+3 h
London is 3 h ahead of Castro.
When you, Castro and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇱 Castro
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 London
3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇱 Castro | 🇬🇧 London |
|---|---|---|
| Local time | 16:25 | 19:25 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Chile Summer Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Castro | — | +3 h |
| IANA zone | America/Santiago | Europe/London |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:35 | 07:01 |
| Sunset | 20:44 | 16:28 |
| Daylight | 14 h 9 min | 9 h 27 min |
| People on this clock | 33,417 | 8,908,083 |
Compare Castro with another city
More comparisons with Castro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castro and London: common questions
How far ahead of Castro is London?
London is 3 hours ahead of Castro: UTC+0 against UTC−3.
If it is 9:00 AM in Castro, what time is it in London?
At 9:00 AM in Castro, clocks in London show 12:00 PM.
If it is 6:00 PM in Castro, what time is it in London?
At 6:00 PM in Castro, clocks in London show 9:00 PM.
When is a good time to call London from Castro?
Between 9:00 AM and 3:00 PM in Castro – that is 12:00 PM to 6:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in London?
From 9:00 PM in Castro it is already the next day in London. The other way round, until 3:00 AM in London it is still the previous day in Castro.
Does the time gap between Castro and London change during the year?
Yes, because the clocks in Castro and in London change on different dates. Next change: from March 28, 2027, London will be 4 hours ahead of Castro.
