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19th
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19th
UNIX keeps track of time in a 4-byte integer that represents the number of seconds after January 1, 1970 12:00:00. For example, a time of 60 represents the date January 1, 1970 12:01:00. A 4-byte integer has a maximum value of 2,146,483,547. This time (known as maximum time) corresponds exactly to January 19, 2038 3:14:07. This explains why UNIX programs in large, were pretty much unaffected by the Y2K bug - since it kept track of time in units of seconds. However, its own version of Y2K will occur a second past the maximum time.
