恒久的夏時間
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<timefyi-glossary slug="permanent-dst"></timefyi-glossary>定義
年間を通じて夏時間を維持し、年2回の時計の変更をなくす提案または実施された政策。支持者は経済的・健康上のメリットを主張し、批判者は冬の朝が暗くなると反論する。