Daniel Costa
Contributor
Daniel Costa is a writer for Encyclopedia Britannica. He studied applied linguistics, philosophy, and history in the United Kingdom, at the universities of Southampton, London, and Birmingham, respectively. He has worked extensively as a language educator, teaching students from leading business companies worldwide.
Primary Contributions (27)
24-hour clock, time convention that begins the day at 00:00 and ends at 23:59, although 24:00 can be used to refer to 00:00 of the following day. The 24-hour clock is the international standard format for time (ISO 8601) and is currently the most widespread time notation worldwide. Professionals in…
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