London to Altos: time difference
Altos 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 00:06 12:06 AM Altos 21:06 9:06 PM You –:–
00:06 12:06 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
21:06 9:06 PM
Paraguay Standard Time · UTC-3
☀️ 05:59 · 🌙 19:08
·
−3 h
Altos is 3 h behind London.
When you, London and Altos 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
🇵🇾 Altos
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 | 🇵🇾 Altos |
|---|---|---|
| Local time | 00:06 | 21:06 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Greenwich Mean Time | Paraguay Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Asuncion |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 05:59 |
| Sunset | 16:27 | 19:08 |
| Daylight | 9 h 24 min | 13 h 9 min |
| People on this clock | 8,908,083 | 4,763 |
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 Altos: common questions
What is the time difference between London and Altos?
Altos is 3 hours behind: it uses UTC−3, while London is on UTC+0.
If it is 9:00 AM in London, what time is it in Altos?
At 9:00 AM in London, clocks in Altos show 6:00 AM.
If it is 6:00 PM in London, what time is it in Altos?
At 6:00 PM in London, clocks in Altos show 3:00 PM.
When do working hours in London and in Altos 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 Altos.
When does the date change in Altos compared with London?
The new day starts in Altos later: until 3:00 AM in London, it is still the previous day there. From 9:00 PM in Altos, London is already on the next day.
Does the time difference between London and Altos change?
Yes. The clocks change only in London. From March 28, 2027, Altos will be 4 hours behind London.
