Calendario = 
VAR DataMin = MIN( Ordini[data_ordine] )
VAR DataMax = MAX( Ordini[data_consegna] )

RETURN
ADDCOLUMNS(
    CALENDAR( DataMin, DataMax ),
    "anno",         YEAR( [Date] ),
    "mese_numero",  MONTH( [Date] ),
    "mese",         FORMAT( [Date], "MMMM", "it-IT" ),
    "giorno",       DAY( [Date] ),
    "giorno_sett",  FORMAT( [Date], "dddd", "it-IT" ),
    "trimestre",    "T" & QUARTER( [Date] )
)