Key West, FL to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Key West, FL. 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.
Key West, FL 08:32 8:32 AM Buenos Aires 09:32 9:32 AM You –:–
08:32 8:32 AM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 19:00
09:32 9:32 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
+1 h
Buenos Aires is 1 h ahead of Key West, FL.
When you, Key West, FL 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
🇺🇸 Key West, FL
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 | 🇺🇸 Key West, FL | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 08:32 | 09:32 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Key West, FL | — | +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 | 07:27 | 06:10 |
| Sunset | 19:00 | 19:10 |
| Daylight | 11 h 33 min | 13 h |
| People on this clock | 24,684 | 2,891,082 |
Compare Key West, FL with another city
More comparisons with Key West, FL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Key West, FL and Buenos Aires: common questions
How many hours ahead of Key West, FL, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Key West (UTC−3 and UTC−4).
What time is it in Buenos Aires at the start of the working day in Key West, FL?
The working day in Key West starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Key West, FL?
The working day in Key West ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When is a good time to call Buenos Aires from Key West, FL?
Between 9:00 AM and 5:00 PM in Key West – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Buenos Aires?
From 11:00 PM in Key West, FL, it is already the next day in Buenos Aires. The other way round, until 1:00 AM in Buenos Aires it is still the previous day in Key West.
Is the time difference between Key West, FL, and Buenos Aires the same all year?
No. Only Key West switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Key West.
