Are there any other roll-over dates to be concerned with?

Yes. There are a surprising number of other time-related computer issues, although none are expected to be as critical as Y2038. For example, Apple Mac computers running versions of the Apple MacOS prior to OSX will have a time rollover similar to Y2038 on February 6, 2040. The date is different than Y2038 because the MacOS uses a different epoch (Jan 1, 1904) and 32-bit unsigned value for time, rather than a signed value. There is also an issue with the Network Time Protocol (NTP) which will have a rollover event in 2036. While there is a way to deal with the rollover in NTPv4, this could still affect operation of the Internet and serve as a last-chance call to action for Y2038.

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Author: John Lange

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