Buenos Aires to Les Ulis: time difference
Les Ulis is 5 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 22:49 10:49 PM Les Ulis 03:49 3:49 AM You –:–
22:49 10:49 PM
Argentina Standard Time · UTC-3
☀️ 06:12 · 🌙 19:08
03:49 3:49 AM
Central European Summer Time · UTC+2
☀️ 08:13 · 🌙 19:02
·
+5 h
Les Ulis is 5 h ahead of Buenos Aires.
When you, Buenos Aires and Les Ulis 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
🇫🇷 Les Ulis
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 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇫🇷 Les Ulis |
|---|---|---|
| Local time | 22:49 | 03:49 |
| Local date | Thursday, October 15, 2026 | Friday, October 16, 2026 |
| Time zone | Argentina Standard Time | Central European Summer Time |
| UTC offset | UTC-3 | UTC+2 |
| Offset from Buenos Aires | — | +5 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Paris |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 06:12 | 08:13 |
| Sunset | 19:08 | 19:02 |
| Daylight | 12 h 56 min | 10 h 49 min |
| People on this clock | 2,891,082 | 25,253 |
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 Les Ulis: common questions
How far ahead of Buenos Aires is Les Ulis?
Les Ulis is 5 hours ahead of Buenos Aires: UTC+2 against UTC−3.
What time is it in Les Ulis when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 2:00 PM in Les Ulis.
What time is it in Les Ulis at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Les Ulis it is 11:00 PM at that moment.
Is there a time when both Buenos Aires and Les Ulis are at work?
Yes: from 9:00 AM to 1:00 PM in Buenos Aires (2:00 PM to 6:00 PM in Les Ulis), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Les Ulis compared with Buenos Aires?
The new day starts in Les Ulis earlier: at 7:00 PM in Buenos Aires it is already midnight there. Until 5:00 AM in Les Ulis, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Les Ulis the same all year?
No. Only Les Ulis switches to summer time, so the gap changes twice a year. From October 25, 2026, Les Ulis will be 4 hours ahead of Buenos Aires.
