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Module: AgeBirthdays in Category General VBA/VB6 : Date and Time from Total Visual SourceBook

Calculations for age, birthdays, anniversaries, and days since the last one or until the next one using VBA and VB6.

Procedure List

Procedure Name	Type	Description
(Declarations)	Declarations	Declarations and private variables for the modAgeBirthdays module.
AgeCalc	Procedure	Get the age in years and weeks for the specified birth date. The function returns the number of years, and modifies the intWeeks parameter to the number of weeks.
AgeWeeks	Procedure	Get the age in weeks for a specified birth date, rounded down for full weeks.
AgeWeeksFractional	Procedure	Get the age in fractional weeks for a specified birth date.
AgeYears	Procedure	Get the age in years for a specified birth date.
AgeYearsFractional	Procedure	Get the exact age in years with decimals for the specified birth date.
IsBirthday	Procedure	See if today is the birthday.
DaysToNextBirthday	Procedure	Number of days to the next birthday. Includes handling of leap years (February 29th).
DaysSinceLastBirthday	Procedure	Number of days since the last birthday. Includes handling of leap years (February 29th).

Example Code for Using Module: AgeBirthdays

' Example of CAPIDisks
'
' To use this example, create a new module and paste this code into it.
' Then run the procedure by putting the cursor in the procedure and pressing:
'    F5 to run it, or
'    F8 to step through it line-by-line (see the Debug menu for more options)

Private Sub Example_modAgeBirthdays()
  ' Comments: Examples of using the modAgeBirthdays module to perform age, birthday, anniversary day calculations in VBA and VB6.

  ' Set the date to test (Date FMS was officially incorporated)
  Const cdatTest As Date = #10/10/1986#

  Dim intWeeks As Integer

  ' Get the age in years as an integer
  Debug.Print "Birthday on " & cdatTest, AgeYears(cdatTest) & " years old"

  ' Get the fractional age in years
  Debug.Print "Birthday on " & cdatTest, AgeYearsFractional(cdatTest) & " fractional years old"
  Debug.Print

  ' Get the age in weeks
  Debug.Print "Birthday on " & cdatTest, AgeWeeks(cdatTest) & " weeks old"

  ' Get the age in fractional weeks
  Debug.Print "Birthday on " & cdatTest, AgeWeeksFractional(cdatTest) & " weeks old"
  Debug.Print

  ' AgeCalc returns the number of years, and sets the intWeeks parameter to the number of weeks
  Debug.Print "Birthday on " & cdatTest, AgeCalc(cdatTest, intWeeks) & " years or " & intWeeks & " weeks old"
  Debug.Print

  ' Is today the birthday?
  Debug.Print "Is today the birthday?", IsBirthday(cdatTest)
  Debug.Print "Days since last birthday", DaysSinceLastBirthday(cdatTest)
  Debug.Print "Days to next birthday", DaysToNextBirthday(cdatTest)

End Sub

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