[otrs] Can you set a static pending time?

Hello List, is it possible to set a static pending time? I would like to have 09:00 p.m. by default. (i dont want to set an PendingTimeDiff). If its not possible, could someone point me to the piece of code where i can set it manually? I wasn´t able to find it. (AgentTicketPending.tt inlcudes AgentTicketActionCommon.tt but i am stuck from here) Thanks, Mario