Home   News   Time Zone News   Argentina Starts Daylight Saving Time on December 30, 2007

Argentina Starts Daylight Saving Time on December 30, 2007

People appreciate the extra hour of sunlight in the afternoon during daylight saving time.

Woman laying in grass looking up at blue sky.

Argentina Starts Daylight Saving Time on December 30, 2007

©iStockphoto.com/angel rodriguez

All of Argentina will turn clocks one hour ahead at the start of December 30, 2007. The clocks will be turned back one hour when March 16, 2008 is about to start.

Why daylight saving time will be used

Daylight Saving Time will be observed in order to save energy. It is likely to be used next year as well, from October to March.

Official announcement

The official law is available in Spanish on the Senate web site - EXPEDIENTE NUMERO 599/07 .

Dates of daylight saving time 1988–2008

These are the dates Daylight Saving Time started and ended in Buenos Aires, Argentina since 1988. Note that some states of Argentina have made other time zone changes to their clocks that are not shown in the list below.


Year Start date End date Daylight duration
1974 Jan 23 May 1 14 weeks
1988–1989 Thursday, December 1, 1988 Sunday, March 5, 1989 13 weeks and 3 days
1989–1990 Sunday, October 15, 1989 Sunday, March 4, 1990 20 weeks
1990–1991 Sunday, October 21, 1990 Sunday, March 3, 1991 19 weeks
1991–1992 Sunday, October 20, 1991 Sunday, March 1, 1992 19 weeks
1992–1993 Sunday, October 18, 1992 Sunday, March 7, 1993 20 weeks
1999–2000 Sunday, October 3, 1999 Sunday, March 5, 2000 22 weeks
2007–2008 Sunday, December 30, 2007 Sunday, March 16, 2008 11 weeks
2008–2009 Sunday, October 19, 2008 Sunday, March 15, 2009 21 weeks