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Definition of 12-hour clock
1. Noun. A timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem and post meridiem. ¹
¹ Source: wiktionary.com
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1. Noun. A timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem and post meridiem. ¹
¹ Source: wiktionary.com