noun🔗Share24時間表記A timekeeping convention in which the 24 hours of the day are treated as a single period, rather than two sets of 12 hours."The train schedule uses the 24-hour clock, so 3:00 PM is shown as 15:00. "列車の時刻表は24時間表記を使用しており、午後3時は15:00と表示されます。timesystemnumberChat with AIVocabulary GamePractice Reading