Portland, ME to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Portland, ME. 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.
Portland, ME 16:48 4:48 PM Buenos Aires 17:48 5:48 PM You –:–
16:48 4:48 PM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 17:51
17:48 5:48 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of Portland, ME.
When you, Portland, ME 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
🇺🇸 Portland, ME
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 | 🇺🇸 Portland, ME | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 16:48 | 17:48 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Portland, ME | — | +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 | 06:06 |
| Sunset | 17:51 | 19:12 |
| Daylight | 10 h 49 min | 13 h 6 min |
| People on this clock | 652,503 | 2,891,082 |
Compare Portland, ME with another city
More comparisons with Portland, ME: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Portland, ME and Buenos Aires: common questions
How far ahead of Portland, ME, is Buenos Aires?
Buenos Aires is 1 hour ahead of Portland: UTC−3 against UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Portland, ME?
When it is 9:00 AM in Portland, it is 10:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Portland, ME?
The working day in Portland ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When do working hours in Portland, ME, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Portland, which is 10:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Portland, ME?
The new day starts in Buenos Aires earlier: at 11:00 PM in Portland it is already midnight there. Until 1:00 AM in Buenos Aires, Portland is still on the previous day.
Does the time difference between Portland, ME, and Buenos Aires change?
Yes. The clocks change only in Portland. From November 1, 2026, Buenos Aires will be 2 hours ahead of Portland.
