A TOD clock value overflows after that date and time regardless of timezone;
that's the date and time value represented by the highest unsigned value. The
usual convention is that the hardware clock is set to UTC. However, local
times represented in TOD format will of course overflow at the sa
z/OS systems lacking sign comparator support will be out of support long
before 2042.
As for machines, z13 was the last machine which doesn't have signed comparator,
and z/OS 2.5 (which goes out of support in 2026) is that last release of z/OS
that will run on a z13.
Jim Mulder
-Origin
On 4/13/25 23:33, James Mulder wrote:
If I am reading the code correctly, I think that CONVTOD will give return
code x'14' if a date beyond Sept 17, 2042 for TODVAL is specified.
...
Will STCK set error status if issued on such a date? It would seem
to make sense if CONVTOD returned the