068eba53_A_2_Data_Type_Conversion__Description
[Statement] TCONVERT [Description] 
Converts data from one dimension of type DAY, WEEK, MONTH, QUARTER, or YEAR to another dimension of type DAY, WEEK, MONTH, QUARTER, or YEAR. You can specify an aggregation method or an allocation method to use in the conversion.
A.2 Data Type Conversion