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The minute is a unit of time . As a unit of time, the minute is equal to 1⁄60 (the first sexagesimal fraction) of an hour, or 60 seconds.
Zettasecond is equal to 1021 second (unit of time), comes from a combination of the metric prefix zetta (Z) with the second (s). Plural name is zettaconds with symbol is Zs.