>Try with ldDate = {^2007/1/31}
>
>>Get the LastDay of this month:
>>

>>? GetLastDay({09/09/2006})
>>
>>
>>FUNCTION GetLastDay(ldDate)
>>RETURN DAY(GOMONTH(ldDate,1)-DAY(ldDate))
>>

Why I always forget February?

? GetLastDay(DATE(2007,1,31))

FUNCTION GetLastDay(ldDate)
LOCAL ldDate1
ldDate1 = GOMONTH(ldDate,1)
RETURN DAY(ldDate1-DAY(ldDate1))