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# CALCULATING AGE AT A SPECIFIED DATE2

## CALCULATING AGE AT A SPECIFIED DATE

(OP)
I have a database where I need to calculate the members age (in years and months) as of a specific date (6/1/2018 )
I am using BDATE and SDATE as my fieldnames

Example - MEMBER with BDATE of 7/1/2010 would return a value of 8.1
MEMBER with BDATE OF 5/1/2010 would return a value of 7.11

### RE: CALCULATING AGE AT A SPECIFIED DATE

#### Quote:

Example - MEMBER with BDATE of 7/1/2010 would return a value of 8.1
MEMBER with BDATE OF 5/1/2010 would return a value of 7.11
I think you mean
Example - MEMBER with BDATE of 7/1/2010 would return a value of 7.11
MEMBER with BDATE OF 5/1/2010 would return a value of 8.1

Years.Months is a strange value to show. I think you would be better off without the decimal. Kind of confusing. The below function can be called from a query. It accounts for full months and corrects for leap years.
"Select YearsDecimalMonths([bdate],[sdate]) as Age, otherFields, from someTable"

#### CODE -->

Public Function YearsDecimalMonths(ByVal StartDate As Date, ByVal EndDate As Date) As Variant
Dim intDiff   As Integer
Dim intMonths As Integer
Dim intSign As Integer
' Find difference in calendar months.
intMonths = DateDiff("m", StartDate, EndDate)
' Check if the second date falls before, on, or after the crossing date for a 1 month period
' while at the same time correcting for February 29. of leap years.
intSign = Sgn(DateDiff("d", DateAdd("m", intMonths, StartDate), EndDate))
intDiff = Abs(intSign < 0)
' Return count of months as count of full 1 month periods.
Months = intMonths - intDiff
YearsDecimalMonths = Months \ 12 & "." & Months Mod 12
' YearsDecimalMonths = Months \ 12 & " Years " & Months Mod 12 & " Months"
End Function 

### RE: CALCULATING AGE AT A SPECIFIED DATE

(OP)
Thank you MajP - this works perfectly!!!

### RE: CALCULATING AGE AT A SPECIFIED DATE

w0wsmg,

It's appropriate to click the "Treat post!" link to indicate the thread has been resolved and it gives some kudos to MajP.

Duane
Minnesota
Hook'D on Access
MS Access MVP 2001-2016

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