Cycle
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A revolution or round of time within which events recur in the same order. Cycle of the Sun. Also known as the solar cycle. A period of 28 years, after which the same days of the week recur on the same days of the year.
A revolution or round of time within which events recur in the same order. Cycle of the Sun. Also known as the solar cycle. A period of 28 years, after which the same days of the week recur on the same days of the year.