IBM i And The 2039 Two-Digit Date Problem

June 6, 2022 Timothy Prickett Morgan

As most of you remember, the shift to four-digit dates at the turn of the millennium was a big pain in the ass, but the world did not come to an end because people got said asses in gear and rectified the problem. (Almost pun int-ended.)

Anyway, as it turns out, there is another date problem that happens in 2039 in a lot of operating systems, and this one also affects the IBM i platform. IBM had certain system values that had a two-digit date, and they natural could only span 100 years – all you can do …