Buenos Aires to St. Augustine, FL: time difference
St. Augustine, FL 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 03:46 3:46 AM St. Augustine, FL 02:46 2:46 AM You –:–
03:46 3:46 AM
Argentina Standard Time · UTC-3
☀️ 06:16 · 🌙 19:06
02:46 2:46 AM
Eastern Daylight Time · UTC-4
☀️ 07:26 · 🌙 18:59
·
−1 h
St. Augustine, FL is 1 h behind Buenos Aires.
When you, Buenos Aires and St. Augustine, FL 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
🇺🇸 St. Augustine, FL
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 | 🇺🇸 St. Augustine, FL |
|---|---|---|
| Local time | 03:46 | 02:46 |
| 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 | 07:26 |
| Sunset | 19:06 | 18:59 |
| Daylight | 12 h 49 min | 11 h 33 min |
| People on this clock | 2,891,082 | 12,975 |
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 St. Augustine, FL: common questions
How far behind Buenos Aires is St. Augustine, FL?
St. Augustine is 1 hour behind Buenos Aires: UTC−4 against UTC−3.
What time is it in St. Augustine, FL, at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in St. Augustine it is 8:00 AM at that moment.
What time is it in St. Augustine, FL, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in St. Augustine it is 5:00 PM at that moment.
When is a good time to call St. Augustine, FL, from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in St. Augustine – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Buenos Aires is it still yesterday in St. Augustine, FL?
Before 1:00 AM in Buenos Aires, the date in St. Augustine has not changed yet. From 11:00 PM in St. Augustine, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and St. Augustine, FL, change during the year?
Yes – daylight saving time is used in St. Augustine but not in Buenos Aires. From November 1, 2026, St. Augustine will be 2 hours behind Buenos Aires.
