San Luis, Argentina will keep DST after April 11, 2010

Alexander Krivenyshev worldtimezone at
Fri Apr 9 02:27:12 UTC 2010

According to news reports from El Diario de la Republica
Province San Luis, Argentina (standard time UTC-04) will keep Daylight Saving 
Time after April 11, 2010- 
will continue to have same time as rest of Argentina (UTC-3) (no DST).

Confirmaron la prórroga del huso horario de verano (Spanish)

(some English translation):

Alexander Krivenyshev,

More information about the tz mailing list