Formula:   MonthName(month({DATE.EN_US}))

Notes on the formula:

{DATE.EN_US} =  represents a date field

 

Function Descriptions:

MonthName  returns a string name for the specified month.

month Month extracts the month component of a date and converts it to a Number.

 

Example:  How to pull the month name from a gift date field?

formula :  MonthName(month({GIFT.EN_US}))

 

If we break the formula into pieces it is easier to understand.  If {GIFT .DATE} = 05/08/2008

month({GIFT.EN_US}) results in 5

MonthName(month({GIFT.EN_US})) results in "May"