Buenos Aires to Fairfax, VA: time difference
Fairfax, VA 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 03:53 3:53 AM Fairfax, VA 02:53 2:53 AM You –:–
03:53 3:53 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
02:53 2:53 AM
Eastern Daylight Time · UTC-4
☀️ 07:22 · 🌙 18:28
·
−1 h
Fairfax, VA is 1 h behind Buenos Aires.
When you, Buenos Aires and Fairfax, VA 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
🇺🇸 Fairfax, VA
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 | 🇺🇸 Fairfax, VA |
|---|---|---|
| Local time | 03:53 | 02:53 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 06:09 | 07:22 |
| Sunset | 19:11 | 18:28 |
| Daylight | 13 h 2 min | 11 h 6 min |
| People on this clock | 2,891,082 | 24,146 |
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 Fairfax, VA: common questions
How far behind Buenos Aires is Fairfax, VA?
Fairfax is 1 hour behind Buenos Aires: UTC−4 against UTC−3.
What time is it in Fairfax, VA, at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Fairfax it is 8:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Fairfax, VA?
At 6:00 PM in Buenos Aires, clocks in Fairfax show 5:00 PM.
When is a good time to call Fairfax, VA, from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in Fairfax – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Fairfax, VA, compared with Buenos Aires?
The new day starts in Fairfax later: until 1:00 AM in Buenos Aires, it is still the previous day there. From 11:00 PM in Fairfax, Buenos Aires is already on the next day.
Does the time difference between Buenos Aires and Fairfax, VA, change?
Yes. The clocks change only in Fairfax. From November 1, 2026, Fairfax will be 2 hours behind Buenos Aires.
