Pedantically, Unix time measures the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970. This is Dec 31 1969 at 7:00 PM in Easte

Pedantically, Unix time measures the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970. This is Dec 31 1969 at 7:00 PM in Eastern Standard Time.