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24-hour clock noun

  /-ˈklɑk/ , /ˌtwɛntiˈfɔɹˌaʊəɹ ˈklɔk/ , /ˌtwɛntiˈfɔːɹˌaʊə ˈklɒk/ , [-ɾi-]
  • A timekeeping convention in which the 24 hours of the day are treated as a single period rather than two sets of 12 hours, with the result that midnight is indicated as 00:00 (or sometimes 24:00), and the hours from 1:00 to 11:00 p.m. as 13:00 to 23:00.
 système horaire sur 24 heures
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