leap year

• Année qui compte 366 jours au lieu des 365 habituels, revenant tous les quatre ans pour synchroniser le calendrier avec l'année astronomique. Le jour supplémentaire est ajouté le 29 février.

A year that has 366 days instead of the usual 365, occurring every four years to keep the calendar year synchronized with the astronomical year. The extra day is added on February 29.

1. Calendar year with extra dayA2formal

   A year that has 366 days instead of 365, occurring every four years to keep the calendar year synchronized with the astronomical year.

   année bissextile

   • 2024 is a leap year, so February has 29 days.
   • People born on February 29 celebrate their birthday only during leap years.
   • The extra day in a leap year helps correct the calendar.