There are several ways to find a job completion time so can you be more specific?
In the interim, here are a few:
If you know the name of the user that sbm the job, enter dspmsg userid
Wrkjob if you know the job name (user and number info for the exact job), F11 to view the time the joblog was generated.
Dsplog, f4, f10 then enter the job name, etc.
To view all completion time, dsplog, f4, f10 and enter CPF1164.
In addition to those, if you <b>need</b> to track job start/end times, you should enable job accounting. (See system value QACGLVL.) The system accounting journal will track start and end times for jobs.
Retrieve the journal entries of Code ‘A’ and type ‘JB’ for the specific job name that you’re interested in. The JODATE and JOTIME fields of the journal entry will record when the entry was created, which will be at the time that that job segment completed. Start dates/times are recorded within the entry-specific data.