Frederick, MD to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Frederick, MD. 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.
Frederick, MD 22:00 10:00 PM Buenos Aires 23:00 11:00 PM You –:–
22:00 10:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:15 · 🌙 18:40
23:00 11:00 PM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+1 h
Buenos Aires is 1 h ahead of Frederick, MD.
When you, Frederick, MD 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
🇺🇸 Frederick, MD
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 | 🇺🇸 Frederick, MD | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:00 | 23:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Frederick, MD | — | +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 | 07:15 | 06:19 |
| Sunset | 18:40 | 19:04 |
| Daylight | 11 h 25 min | 12 h 45 min |
| People on this clock | 72,237 | 2,891,082 |
Compare Frederick, MD with another city
More comparisons with Frederick, MD: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Frederick, MD and Buenos Aires: common questions
How many hours ahead of Frederick, MD, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Frederick (UTC−3 and UTC−4).
If it is 9:00 AM in Frederick, MD, what time is it in Buenos Aires?
At 9:00 AM in Frederick, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Frederick, MD?
When it is 6:00 PM in Frederick, it is 7:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Frederick, MD?
Between 9:00 AM and 5:00 PM in Frederick – 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 Frederick, MD, is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Frederick, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Frederick.
Does the time difference between Frederick, MD, and Buenos Aires change?
Yes. The clocks change only in Frederick. From November 1, 2026, Buenos Aires will be 2 hours ahead of Frederick.
