Christchurch to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Christchurch. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Christchurch 01:53 1:53 AM Buenos Aires 02:53 2:53 AM You –:–
01:53 1:53 AM
Atlantic Standard Time · UTC-4
☀️ 05:49 · 🌙 17:43
02:53 2:53 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+1 h
Buenos Aires is 1 h ahead of Christchurch.
When you, Christchurch 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
🇧🇧 Christchurch
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇧 Christchurch | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:53 | 02:53 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Christchurch | — | +1 h |
| IANA zone | America/Barbados | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:49 | 06:19 |
| Sunset | 17:43 | 19:04 |
| Daylight | 11 h 54 min | 12 h 45 min |
| People on this clock | 54,336 | 2,891,082 |
Compare Christchurch with another city
More comparisons with Christchurch: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Christchurch and Buenos Aires: common questions
How far ahead of Christchurch is Buenos Aires?
Buenos Aires is 1 hour ahead of Christchurch: UTC−3 against UTC−4.
What time is it in Buenos Aires at the start of the working day in Christchurch?
The working day in Christchurch starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Christchurch?
The working day in Christchurch ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When do working hours in Christchurch and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Christchurch, which is 10:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Christchurch?
The new day starts in Buenos Aires earlier: at 11:00 PM in Christchurch it is already midnight there. Until 1:00 AM in Buenos Aires, Christchurch is still on the previous day.
Is the time difference between Christchurch and Buenos Aires the same all year?
Yes. Neither Christchurch nor Buenos Aires switches to summer time, so the gap is always 1 hour.
