Daylight Saving Time (DST) Not Observed in Year Argentina currently observes Argentina Time (ART). Since , Argentina is not observing daylight saving time (DST) and the entire country stays on UTC San Luis Province, which was previously in a. Daylight Savings Time in Argentina – Buenos Aires. When does time change? Date of the next clock change and exact time to spring forward or fall back. Argentina does not have varying time zones, nor does it employ daylight savings. However it is useful to know when the clocks change (moving from winter. Western Argentine Summer Time is three hours behind the Coordinated Universal Time standard, written as an offset of UTC - Check the current time in Argentina and time zone information, the UTC offset and daylight saving time dates in View credits, reviews, tracks and shop for the Vinyl release of "Summer Time" on Discogs. Daylight Saving Time or summer time, -except Lord Howe Island- it is 1h. more with respect to the standard o local time zone. Winter Time or Standard local. Answer 1 of 8: I just read that Argentina's congress voted in Daylight Saving Time last week and it came into effect at midnight today. Argentine Summer Time (ARST) is one of the GMT/UTC time zones. This means that Argentine Summer Time (ARST) is hours behind of GMT.