Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between art and mdt?
Argentina Time (art) is UTC-3 and Mountain Daylight Time (mdt) is UTC-6. The difference between them is 3 hours.
Where is art used?
Argentina Time (art) is used in Argentina and surrounding regions. The IANA timezone identifier is America/Argentina/Buenos_Aires.
Where is mdt used?
Mountain Daylight Time (mdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
How do I convert art to mdt?
Use the interactive converter above. Drag the time slider to any art time and the mdt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
ART (Buenos Aires) to MDT (Denver) — exact time difference
ART (Buenos Aires) is 3 hours ahead of MDT (Denver). When ART (Buenos Aires) clocks hit noon, MDT (Denver) reads 09:00.
ART (Buenos Aires) observes America/Argentina/Buenos_Aires and MDT (Denver) observes America/Denver — a 3 hours gap between them.
Working hours overlap
Every working day, ART (Buenos Aires) and MDT (Denver) are both in business hours for 5 hours simultaneously.
00:0006:0012:0018:0024:00
ART (Buenos Aires)
MDT (Denver)
Overlap (5h)
Optimal meeting slots
ART (Buenos Aires) and MDT (Denver) share 5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
12:00 Buenos Aires / 09:00 Denver✓ Both working
13:00 Buenos Aires / 10:00 Denver✓ Both working
14:00 Buenos Aires / 11:00 Denver✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
ART (Buenos Aires)6 holidays
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
Nov 23National Sovereignty Day
Dec 8Immaculate Conception Day
MDT (Denver)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Working across ART (Buenos Aires) and MDT (Denver)
Coordinating between ART (Buenos Aires) (Argentina) and MDT (Denver) (USA) means working around a 3-hour time difference. The 5-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 Best practice for cross-timezone meetings
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Schedule at 12:00–13:00 (ART (Buenos Aires)) for a 09:00–10:00 slot in MDT (Denver) — the sweet spot where both teams are working.
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Schedule at 13:00–14:00 (ART (Buenos Aires)) for a 10:00–11:00 slot in MDT (Denver) — the sweet spot where both teams are working.
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Schedule at 14:00–15:00 (ART (Buenos Aires)) for a 11:00–12:00 slot in MDT (Denver) — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any ART (Buenos Aires) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
