SAP ABAP Table TTZDV (Summer time rules (variable dates)) is used by

• Class (1)
• Function Module (6)
• Program (16)
• TTYP (2)
• View (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	TTYP	TTAB_TTZDV	TTAB_TTZDV	SZTZ	BASIS	SAP_BASIS
2	TTYP	TT_TTZDV	TT_TTZDV	SZTZ	BASIS	SAP_BASIS