Programs that attempt to increment the time beyond this date will cause the value to be stored internally as a negative number, which these systems will interpret as having occurred at 20:45:52 on Friday, 13 December 1901 (2,147,483,648 seconds before 1 January 1970) rather than 19 January 2038. The latest time since 1 January 1970 that can be stored using a signed 32-bit integer is 03:14:07 on Tuesday, 19 January 2038 (231-1 = 2,147,483,647 seconds after 1 January 1970). Similar to the Y2K problem, the Year 2038 problem is caused by insufficient capacity used to represent time.
Such implementations cannot encode times after 03:14:07 UTC on 19 January 2038. The Year 2038 problem (also called Y2038, Epochalypse, Y2k38, or Unix Y2K) relates to representing time in many digital systems as the number of seconds passed since 00:00:00 UTC on 1 January 1970 and storing it as a signed 32-bit integer. Due to this treatment Unix time is not a true representation of UTC. It is the number of seconds that have elapsed since the Unix epoch, minus leap seconds the Unix epoch is 00:00:00 UTC on 1 January 1970 (an arbitrary date) leap seconds are ignored,with a leap second having the same Unix time as the second before it, and every day is treated as if it contains exactly 86400 seconds. Unix time (also known as Epoch time, POSIX time,seconds since the Epoch,or UNIX Epoch time) is a system for describing a point in time. Seconds Convert Human date to Timestamp → Unix Timestamp
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