daylight saving

• Pratique consistant à avancer les horloges d'une heure pendant la saison chaude afin de prolonger la lumière du jour en soirée, généralement appliquée dans de nombreux pays pour mieux utiliser la lumière naturelle.

The practice of setting clocks forward by one hour during the warmer months to extend evening daylight, typically observed in many countries to make better use of natural light.

1. Time adjustment practiceB1formal

   The practice of advancing clocks during warmer months so that darkness falls later, typically by one hour.

   heure d'été

   • Daylight saving time begins in spring and ends in autumn.
   • Many countries observe daylight saving to save energy.
   • We lose an hour of sleep when daylight saving starts.