How often to the hands of a clock line up?
SMRTR summary
An analog clock's hour and minute hands align 22 times daily. Starting at midnight, they realign every 12/11 hours, with the first occurrence at 1:05:27.3. This pattern repeats throughout the day, demonstrating the cyclical nature of timekeeping. Including the second hand, all three hands align only at noon and midnight.
SMRTR provides this summary for quick context. The original article belongs to John D. Cook.
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