Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between art and mst?
Argentina Time (art) is UTC-3 and Mountain Standard Time (mst) 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 mst used?
Mountain Standard Time (mst) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
How do I convert art to mst?
Use the interactive converter above. Drag the time slider to any art time and the mst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
ART (Buenos Aires) to MST (Denver) — exact time difference
ART (Buenos Aires) is 3 hours ahead of MST (Denver). At noon in ART (Buenos Aires), your contact in MST (Denver) sees 09:00.
ART (Buenos Aires) observes America/Argentina/Buenos_Aires and MST (Denver) observes America/Denver — a 3 hours gap between them.
Working hours overlap
ART (Buenos Aires) and MST (Denver) share 5 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
ART (Buenos Aires)
MST (Denver)
Overlap (5h)
Meeting time recommendations
ART (Buenos Aires) and MST (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.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
ART (Buenos Aires)6 holidays
Jul 9Independence DaySOON
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
Nov 23National Sovereignty Day
Dec 8Immaculate Conception Day
MST (Denver)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Scheduling between ART (Buenos Aires) and MST (Denver)
Teams in ART (Buenos Aires) (Argentina) and MST (Denver) (USA) face a 3-hour time difference day to day. A 5-hour shared business hours window makes real-time meetings feasible for both sides within their normal working day.
💡 Scheduling tips for these locations
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Schedule at 12:00–13:00 (ART (Buenos Aires)) for a 09:00–10:00 slot in MST (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 MST (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 MST (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.
