Buenos Aires to South Portland, ME: time difference
South Portland, ME is 1 h behind Buenos Aires. 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.
Buenos Aires 03:58 3:58 AM South Portland, ME 02:58 2:58 AM You –:–
03:58 3:58 AM
Argentina Standard Time · UTC-3
☀️ 06:16 · 🌙 19:06
02:58 2:58 AM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:04
·
−1 h
South Portland, ME is 1 h behind Buenos Aires.
When you, Buenos Aires and South Portland, ME are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇺🇸 South Portland, ME
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇸 South Portland, ME |
|---|---|---|
| Local time | 03:58 | 02:58 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Argentina Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:16 | 06:52 |
| Sunset | 19:06 | 18:04 |
| Daylight | 12 h 49 min | 11 h 12 min |
| People on this clock | 2,891,082 | 26,498 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and South Portland, ME: common questions
How many hours behind Buenos Aires is South Portland, ME?
The clocks in South Portland are 1 hour behind those in Buenos Aires (UTC−4 and UTC−3).
If it is 9:00 AM in Buenos Aires, what time is it in South Portland, ME?
At 9:00 AM in Buenos Aires, clocks in South Portland show 8:00 AM.
What time is it in South Portland, ME, when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in South Portland.
When is a good time to call South Portland, ME, from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in South Portland – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in South Portland, ME?
Until 1:00 AM in Buenos Aires it is still the previous day in South Portland. The other way round, from 11:00 PM in South Portland it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and South Portland, ME, the same all year?
No. Only South Portland switches to summer time, so the gap changes twice a year. From November 1, 2026, South Portland will be 2 hours behind Buenos Aires.
