Hi,
Yes U can go ahead to change the timezone by changing it in file.
Yes its having impact on running application.
Before u change u should stop application.
n start after changing timezone.
Procedure to change the timezone, u can change in file or by set_parms timezone it will ask for reboot for active the changes.
Hope this solves ur qery.
Don't forget to assign points.
Regards
Vishnu Khandare
You should deserve before U desire!!!!