Here we would like to draw your attention to STZAD 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).STZAD is a transaction code used for Disp.time zone activat.in client in SAP.
It comes under the package SZTZ.
Transaction STZAD technical data table
|Purpose||Disp.time zone activat.in client|