Histoire de l'heure d'été
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<timefyi-glossary slug="daylight-saving-time-history"></timefyi-glossary>Définition
Proposée pour la première fois par Benjamin Franklin en 1784 et largement mise en œuvre pendant la Première Guerre mondiale pour économiser le carburant. De nombreux pays l'ont abolie ; la Corée l'a brièvement utilisée en 1948-1951 et 1955-1960.