>Jim,
>
>The logic in my Age Calculator (file #25738) might be useful here. Your problem is the inverse of what that class is designed to do, but it might be fairly easy for you to modify it for your purpose.
>
>-Rick
>
>
>>OK, great-grand aunt Emma died 5-Feb-1902, age 33 years, 6 months, and 18 days.
>>
>>What was Emma's DOB?

Hi Rick,
can you check for :

Begin = '10/31/1986'
End   = '03/29/2044'
* Expected
Y=57,M=4,D=29
* Observed
Y=57,M=5,D=0

Fabio