What Is The Unix Epoch, And How Does Unix Time Work?
Unix epoch is a system-level timestamping facility that enables applications to unambiguously identify the moment at which a certain event happened. Unix timekeeping is based on the Unix epoch, which is a special number that represents the time of day on Earth. Unix timekeeping is used by many applications, including shells and text editors, to keep track of elapsed time. It’s also used by some servers to timestamp responses from web services....