Incorrect Job start and end time in WCC

Document ID : KB000115643
Last Modified Date : 24/09/2018
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In our new Autosys/WCC instance, we've noticed that the jobs show incorrect start and end times.
The Linux server where Autosys & WCC run is set on Eastern time zone. In WCC configuration, We have set to use Mountain Time(Denver). But the time stamps on the jobs show 3 hours behind mountain time. Eg: A job run at 10:00 AM Mountain Time would show 07:00 AM. 
Oracle DB sever was running in Pacific time while Autosys server was running in timezone America/New_York.

Both Oracle server and Autosys server must resides in same timezone.
After changing the Autosys server to America/Los_Angeles there was still an issue as environmental variable TZ was set in  .bash_profile and afterwards overwritten in the $AUTOUSER/autosys.*sh. files.