Saint Louis, MO to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Saint Louis, MO. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Saint Louis, MO 02:41 2:41 AM Buenos Aires 04:41 4:41 AM You –:–
02:41 2:41 AM
Central Daylight Time · UTC-5
☀️ 07:06 · 🌙 18:31
04:41 4:41 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+2 h
Buenos Aires is 2 h ahead of Saint Louis, MO.
When you, Saint Louis, MO 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
🇺🇸 Saint Louis, MO
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
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 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Saint Louis, MO | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:41 | 04:41 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Saint Louis, MO | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:06 | 06:19 |
| Sunset | 18:31 | 19:04 |
| Daylight | 11 h 26 min | 12 h 45 min |
| People on this clock | 301,578 | 2,891,082 |
Compare Saint Louis, MO with another city
More comparisons with Saint Louis, MO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Saint Louis, MO and Buenos Aires: common questions
How many hours ahead of Saint Louis, MO, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Saint Louis (UTC−3 and UTC−5).
If it is 9:00 AM in Saint Louis, MO, what time is it in Buenos Aires?
At 9:00 AM in Saint Louis, clocks in Buenos Aires show 11:00 AM.
What time is it in Buenos Aires at the end of the working day in Saint Louis, MO?
The working day in Saint Louis ends at 6:00 PM; in Buenos Aires it is 8:00 PM at that moment.
When is a good time to call Buenos Aires from Saint Louis, MO?
Between 9:00 AM and 4:00 PM in Saint Louis – that is 11:00 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 10:00 PM in Saint Louis, MO, it is already the next day in Buenos Aires. The other way round, until 2:00 AM in Buenos Aires it is still the previous day in Saint Louis.
Does the time difference between Saint Louis, MO, and Buenos Aires change?
Yes. The clocks change only in Saint Louis. From November 1, 2026, Buenos Aires will be 3 hours ahead of Saint Louis.
