🇿🇦 Newcastle, South Africa
10
- South Africa Standard Time
- UTC+2
- Night
☀️ 05:22 · 🌙 18:10 · 12 h 48 min
Newcastle to Buenos Aires: time difference
Buenos Aires is 5 h behind Newcastle. 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.
Newcastle 04:25 4:25 AM Buenos Aires 23:25 11:25 PM You –:–
04:25 4:25 AM
South Africa Standard Time · UTC+2
☀️ 05:22 · 🌙 18:10
23:25 11:25 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−5 h
Buenos Aires is 5 h behind Newcastle.
When you, Newcastle 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
🇿🇦 Newcastle
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
19 7 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇿🇦 Newcastle | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:25 | 23:25 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | South Africa Standard Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Newcastle | — | −5 h |
| IANA zone | Africa/Johannesburg | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:22 | 06:10 |
| Sunset | 18:10 | 19:10 |
| Daylight | 12 h 48 min | 13 h |
| People on this clock | 363,236 | 2,891,082 |
Compare Newcastle with another city
More comparisons with Newcastle: the time zones next to it and the far side of the clock.
Big time differences
Newcastle and Buenos Aires: common questions
How far behind Newcastle is Buenos Aires?
Buenos Aires is 5 hours behind Newcastle: UTC−3 against UTC+2.
What time is it in Buenos Aires at the start of the working day in Newcastle?
The working day in Newcastle starts at 9:00 AM; in Buenos Aires it is 4:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Newcastle?
The working day in Newcastle ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
When do working hours in Newcastle and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Newcastle, which is 9:00 AM to 1:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 5:00 AM in Newcastle it is still the previous day in Buenos Aires. The other way round, from 7:00 PM in Buenos Aires it is already the next day in Newcastle.
Is the time difference between Newcastle and Buenos Aires the same all year?
Yes. Neither Newcastle nor Buenos Aires switches to summer time, so the gap is always 5 hours.
