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1h ago

Argentina Advances Time-Zone Overhaul as Deputies Back One-Hour Rollback

Senate consideration will determine whether Argentina shifts its official time one hour earlier.

1969 fue el último año en que Argentina tuvo su territorio en un horario que se corresponda con el ritmo de los rayos del sol. (Freepik)
Los expertos aseguran que el cambio del huso horario afectaría nuestro ritmo circadiano. 

Overview

  • Lawmakers in the Chamber of Deputies approved the bill 151–66 with 8 abstentions, granting it media sanción and sending it to the Senate.
  • The proposal would move the country from UTC-3 to UTC-4 as legal time, with authority to return to UTC-3 during summer, requiring a nationwide clock rollback of one hour if enacted.
  • Supporters, including anthropologist Gonzalo Iparraguirre, argue the change would better align daily schedules with morning light and improve sleep, alertness, and mood.
  • CONICET researcher María Ana Contín describes the shift as positive from a chronobiological perspective, citing benefits of synchronizing social time with solar cues.
  • Backers cite potential energy savings and regional alignment, though past seasonal changes (2007–2009) yielded mixed results and some experts say savings estimates may be overstated.