Here we would like to draw your attention to STZAC transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).STZAC is a transaction code used for Maintain time zone act. in client in SAP.
It comes under the package SZTZ.
Transaction STZAC technical data table
|Purpose||Maintain time zone act. in client|