While we're worrying about the Y2K38 problem, don'r forget to worry about the Year 2036 Problem [1], as well. Here's a pretty good summary of the upcoming time-related fun [2].
1. https://en.wikipedia.org/wiki/Year_2038_problem#Network_Time...
2. http://www.lieberbiber.de/2017/03/14/a-look-at-the-year-2036...