FORMAT-DATE
Convert Date to text in a particular format
Syntax
FORMAT-DATE (value, format)
Example
format-date(today(), 'yyyy-MMM-dd')
Notes
Returns the date value of the field formatted as defined by the format argument.
The format argument must be a valid .NET date format string. Typical format specifiers include:
yy - 2 digit year
yyyy - 4 digit year
MM - 2 digit month
MMM - 3 character abbreviated month
dd - 2 digit day
There are other format specifiers available