Midnight is the middle of the night, the time when one day ends and the next day begins, usually at 12:00 a.m. on clocks. It is often the darkest part of the night.
From Old English ‘midniht,’ combining ‘mid’ (middle) and ‘niht’ (night). The idea of a fixed clock time for midnight became clearer with mechanical clocks.
Midnight is both an ending and a beginning, which is why legal and computer systems sometimes struggle with what ‘12:00 a.m.’ really means. In many cultures, midnight is a magical or dangerous hour, precisely because it sits on that invisible boundary between days.
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