CREATE TABLE HelperTZ (
	TZID int NOT NULL ,
	TZShortNameGen varchar (4)  NULL ,
	TZShortNameDS varchar (4)  NULL ,
	TZNameGen varchar (100)  NULL ,
	TZNameGenDS varchar (50)  NULL ,
	OffsetUTC int NULL ,
	OffsetDS int NULL ,
	DSBeginDate datetime NULL ,
	DSEndDate datetime NULL 
) 