夏令时历史
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<timefyi-glossary slug="daylight-saving-time-history"></timefyi-glossary>定义
1784年由本杰明·富兰克林首次提出，第一次世界大战期间作为节能措施广泛实施。韩国在1948—1951年和1955—1960年曾短暂实行夏令时。