Derry to Buenos Aires: time difference
Buenos Aires is 4 h behind Derry. 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.
Derry 18:21 6:21 PM Buenos Aires 14:21 2:21 PM You –:–
18:21 6:21 PM
British Summer Time · UTC+1
☀️ 08:03 · 🌙 18:28
14:21 2:21 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Derry.
When you, Derry and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 Derry
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
🇦🇷 Buenos Aires
20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 Derry | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 18:21 | 14:21 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | British Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Derry | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 08:03 | 06:10 |
| Sunset | 18:28 | 19:10 |
| Daylight | 10 h 25 min | 13 h |
| People on this clock | 85,016 | 2,891,082 |
Compare Derry with another city
More comparisons with Derry: the time zones next to it and the far side of the clock.
Big time differences
Derry and Buenos Aires: common questions
What is the time difference between Derry and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while Derry is on UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Derry?
When it is 9:00 AM in Derry, it is 5:00 AM in Buenos Aires.
If it is 6:00 PM in Derry, what time is it in Buenos Aires?
At 6:00 PM in Derry, clocks in Buenos Aires show 2:00 PM.
Is there a time when both Derry and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Derry (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Buenos Aires?
Until 4:00 AM in Derry it is still the previous day in Buenos Aires. The other way round, from 8:00 PM in Buenos Aires it is already the next day in Derry.
Does the time difference between Derry and Buenos Aires change?
Yes. The clocks change only in Derry. From October 25, 2026, Buenos Aires will be 3 hours behind Derry.
