Convert Mountain Daylight Time to Argentina Time
Instantly convert Mountain Daylight Time (MDT) to Argentina Time (ART) with our free online calculator.
Mountain Daylight Time
11:20:54 PM
Tue, Jun 23 (MDT)
Argentina Time
02:20:54 AM
Wed, Jun 24 (ART)
Convert a Specific Time
24-Hour Comparison
| MDT | ART |
|---|---|
| 12:00 AM | 3:00 AM |
| 1:00 AM | 4:00 AM |
| 2:00 AM | 5:00 AM |
| 3:00 AM | 6:00 AM |
| 4:00 AM | 7:00 AM |
| 5:00 AM | 8:00 AM |
| 6:00 AM | 9:00 AM |
| 7:00 AM | 10:00 AM |
| 8:00 AM | 11:00 AM |
| 9:00 AM | 12:00 PM |
| 10:00 AM | 1:00 PM |
| 11:00 AM | 2:00 PM |
| 12:00 PM | 3:00 PM |
| 1:00 PM | 4:00 PM |
| 2:00 PM | 5:00 PM |
| 3:00 PM | 6:00 PM |
| 4:00 PM | 7:00 PM |
| 5:00 PM | 8:00 PM |
| 6:00 PM | 9:00 PM |
| 7:00 PM | 10:00 PM |
| 8:00 PM | 11:00 PM |
| 9:00 PM | 12:00 AM(+1d) |
| 10:00 PM | 1:00 AM(+1d) |
| 11:00 PM | 2:00 AM(+1d) |
How to Convert Mountain Daylight Time to Argentina Time
Formula
To convert Mountain Daylight Time (MDT) to Argentina Time (ART): Convert MDT to ART
About Mountain Daylight Time (MDT)
Mountain Daylight Time (MDT, IANA: America/Denver during DST window) is the summer-time variant of MST, set at UTC-6:00 — observed from the second Sunday in March to the first Sunday in November per the Energy Policy Act of 2005. MDT shares the same UTC offset as Central Standard Time (CST), which can cause cross-time-zone scheduling confusion during the DST transition windows in March and November. The Navajo Nation in northeastern Arizona does observe MDT (unlike the rest of Arizona), creating one of the rare US sub-state time-zone exceptions per the Navajo Nation Council's 1968 resolution. MDT applies in Colorado, Utah, Wyoming, Montana, Idaho east, New Mexico, parts of Texas, and Canadian Rocky Mountain provinces (Alberta, eastern BC). Used in coordination of: Denver International Airport flight operations, ski-area lift hours during shoulder-season DST window, Yellowstone National Park ranger schedules, US National Renewable Energy Lab operations, and FAA Albuquerque ARTCC ATC operations.
About Argentina Time (ART)
Argentina Time (ART, IANA: America/Argentina/Buenos_Aires) is the official civil time of the Argentine Republic, set at UTC-3:00 year-round. Argentina abolished Daylight Saving Time in 2009 by Presidential Decree 1602/2009 after a brief experiment with DST (2007-2009) that was poorly received nationally. ART serves all 23 Argentine provinces + the Autonomous City of Buenos Aires, approximately 47 million people. Major cities: Buenos Aires (3M city, 16M metro), Córdoba (1.5M), Rosario (1.3M), Mendoza (1.2M), Tucumán (900K), La Plata (700K). ART is the same offset as Brasília Time (BRT), Uruguay Time (UYT), French Guiana Time (GFT), and Greenland Standard Time (WGT) — making cross-South-American coordination relatively simple within the eastern half of the continent. ART affects: BCBA Mercado de Valores de Buenos Aires (MERVAL) trading hours, La Bombonera + River Plate football match scheduling, Argentine Tax Authority AFIP filing deadlines, and Mendoza wine-tourism harvest-season vineyard schedules.