Newton, MA to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Newton, MA. 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.
Newton, MA 10:04 10:04 AM Buenos Aires 11:04 11:04 AM You –:–
10:04 10:04 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
11:04 11:04 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Newton, MA.
When you, Newton, MA 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
🇺🇸 Newton, MA
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
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Time zones side by side
| Detail | 🇺🇸 Newton, MA | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 10:04 | 11:04 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Newton, MA | — | +1 h |
| IANA zone | America/New York | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:02 | 06:09 |
| Sunset | 18:00 | 19:11 |
| Daylight | 10 h 58 min | 13 h 2 min |
| People on this clock | 85,146 | 2,891,082 |
Compare Newton, MA with another city
More comparisons with Newton, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Newton, MA and Buenos Aires: common questions
What is the time difference between Newton, MA, and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Newton is on UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Newton, MA?
When it is 9:00 AM in Newton, it is 10:00 AM in Buenos Aires.
If it is 6:00 PM in Newton, MA, what time is it in Buenos Aires?
At 6:00 PM in Newton, clocks in Buenos Aires show 7:00 PM.
When is a good time to call Buenos Aires from Newton, MA?
Between 9:00 AM and 5:00 PM in Newton – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
From what time in Newton, MA, is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Newton, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Newton.
Does the time difference between Newton, MA, and Buenos Aires change?
Yes. The clocks change only in Newton. From November 1, 2026, Buenos Aires will be 2 hours ahead of Newton.
