No - I need it for 24 hours - sorry - should have said in my example
Hourofday: IIf([Expr1] Between '00:00' And '00:59',"0",
IIf([Expr1] Between '01:00' And '01:59',"1",
IIf([Expr1] Between '02:00' And '02:59',"2",
IIf([Expr1] Between '03:00' And '03:59',"3",
IIf([Expr1] Between '04:00' And...