Unix time
Date and time representation system widely used in computing / From Wikipedia, the free encyclopedia
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"January 1, 1970" redirects here. Not to be confused with January 1, 1970 (date).
"Epoch time" redirects here. For other epochs, see Epoch (computing). For the newspaper, see The Epoch Times.
Unix time[lower-alpha 1] is a date and time representation widely used in computing. It measures time by the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970, the Unix epoch. In modern computing, values are sometimes stored with higher granularity, such as microseconds or nanoseconds.
Unix time originated as the system time of Unix operating systems. It has come to be widely used in other computer operating systems, file systems, programming languages, and databases.