London to Calama: time difference
Calama is 3 h behind London. 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.
London 23:24 11:24 PM Calama 20:24 8:24 PM You –:–
23:24 11:24 PM
Greenwich Mean Time · UTC+0
☀️ 07:01 · 🌙 16:28
20:24 8:24 PM
Chile Summer Time · UTC-3
☀️ 06:50 · 🌙 19:51
·
−3 h
Calama is 3 h behind London.
When you, London and Calama are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
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
🇨🇱 Calama
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇨🇱 Calama |
|---|---|---|
| Local time | 23:24 | 20:24 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Greenwich Mean Time | Chile Summer Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Santiago |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | On summer time → UTC-4, Apr 3, 23:00 |
| Sunrise | 07:01 | 06:50 |
| Sunset | 16:28 | 19:51 |
| Daylight | 9 h 27 min | 13 h 1 min |
| People on this clock | 8,908,083 | 157,575 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Calama: common questions
How many hours behind London is Calama?
The clocks in Calama are 3 hours behind those in London (UTC−3 and UTC+0).
What time is it in Calama at the start of the working day in London?
The working day in London starts at 9:00 AM; in Calama it is 6:00 AM at that moment.
What time is it in Calama when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 3:00 PM in Calama.
When do working hours in London and in Calama overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in London, which is 9:00 AM to 3:00 PM in Calama.
When is it still the previous day in Calama?
Until 3:00 AM in London it is still the previous day in Calama. The other way round, from 9:00 PM in Calama it is already the next day in London.
Does the time difference between London and Calama change?
Yes. Both places change their clocks, but on different dates. From March 28, 2027, Calama will be 4 hours behind London.
