Last change: 2009
Mar
15
1 hour Back
Mar 15, 2009, 12:00 midnight
Oct 3
No change
Oct 3, 1999 - Daylight Saving Time Started
DST started on Sunday, October 3, 1999, 12:00:00 midnight. However, clocks were not changed because Bahía Blanca switched time zones at the same time.
Daylight Saving Time History in Buenos Aires
Detailed history for Buenos Aires is not available before 1970. Statistics below are based on 1970 onwards.
- Buenos Aires last observed Daylight Saving Time in 2009.
- Buenos Aires has observed DST for 12 years between 1974 and 2009.
- See Worldwide DST Statistics