What is MST in ART?
Argentina Time is 4 hours ahead
Convert a time
ART — Argentina Time
5:00 am
ART, Sat
- Time in Denver
- 1:29:35 AM
- Time in Buenos Aires
- 5:29:35 AM
- Difference
- +4 h
- Next clock change
- March 14, 2027
When the difference changes
Mountain Time and Argentina Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:
- Now – March 14, 2027Argentina Time is 4 hours ahead
- March 14, 2027 – November 7, 2027Argentina Time is 3 hours ahead
- November 7, 2027 – onwardsArgentina Time is 4 hours ahead
Periods shorter than a day are not listed. Each zone changes at its own local time, so on a date when both move there are a few hours when the gap is briefly something else.
Daylight saving
Mountain Time
Clocks go forward one hour — 2:00 am becomes 3:00 am local time, and the zone is on MDT after that.
Argentina Time
Argentina Time stays on ART all year, so its offset from UTC never moves.
MST to ART conversion table
Every hour of Saturday, November 7, 2026, converted from Mountain Time to Argentina Time. 4 of the 24 hours fall on a different calendar day in Buenos Aires, which is marked.
- 12:00 am MST
- 4:00 am ART
- 1:00 am MST
- 5:00 am ART
- 2:00 am MST
- 6:00 am ART
- 3:00 am MST
- 7:00 am ART
- 4:00 am MST
- 8:00 am ART
- 5:00 am MST
- 9:00 am ART
- 6:00 am MST
- 10:00 am ART
- 7:00 am MST
- 11:00 am ART
- 8:00 am MST
- 12:00 pm ART
- 9:00 am MST
- 1:00 pm ART
- 10:00 am MST
- 2:00 pm ART
- 11:00 am MST
- 3:00 pm ART
- 12:00 pm MST
- 4:00 pm ART
- 1:00 pm MST
- 5:00 pm ART
- 2:00 pm MST
- 6:00 pm ART
- 3:00 pm MST
- 7:00 pm ART
- 4:00 pm MST
- 8:00 pm ART
- 5:00 pm MST
- 9:00 pm ART
- 6:00 pm MST
- 10:00 pm ART
- 7:00 pm MST
- 11:00 pm ART
- 8:00 pm MST
- 12:00 am ART+1 day
- 9:00 pm MST
- 1:00 am ART+1 day
- 10:00 pm MST
- 2:00 am ART+1 day
- 11:00 pm MST
- 3:00 am ART+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 2:00 pm MST, which is 1:00 pm to 6:00 pm ART. Anything inside that window falls in the normal working day at both ends.
Mountain Time (MST) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.
Other conversions
- ART to MST
- MST to UTC
- MST to GMT
- MST to EST
- MST to CST
- MST to PST
- MST to AKST
- MST to HST
- MST to BST
- MST to CET
- MST to IST
- MST to CST (China)
- MST to JST
- MST to AEST
- MST to AST
- MST to Mexico City
- MST to BRT
- MST to EET
- MST to WET
- MST to MSK
- MST to TRT
- MST to SAST
- MST to WAT
- MST to EAT
- MST to GST
- MST to PKT
- MST to ICT
- MST to WIB
- MST to SGT
- MST to HKT
- MST to KST
- MST to PHT
- MST to AWST
- MST to ACST
- MST to NZST
- All zones