IsLeapDay
 Returns a boolean indicating if the specific day is a leap day.
 Public Function IsLeapDay(
	  ByVal Year As Long,
	  ByVal Month As Long,
	  ByVal Day As Long,
	  Optional ByRef Era As Variant ) As Boolean
Parameters
- Year
 - 
[ByVal]
 Long.
  The year the day is in.
 
 
- Month
 - 
[ByVal]
 Long.
  The month the day is in.
 
 
- Day
 - 
[ByVal]
 Long.
  The day to check if is a leap day.
 
 
- Era
 - 
[ByRef]
 Optional.
 Variant.
  The era the year is in.
 
 
Return Values
Boolean -  Boolean indication if the day is a leap day.
 
Remarks
 A leap day only exists in a leap year, such as February 29th in the Taiwan calendar.
See Also
Project CorLib Overview
Class TaiwanCalendar Overview