Find Last Day of Any Month (SQL Server)
a) Find the last day of the previous month, current month and next month. Last Day of Previous Month SELECT DATEADD ( s ,- 1 , DATEADD ( mm , DATEDIFF ( m , 0 , GETDATE ()), 0 )) Last Day of Current Month SELECT DATEADD ( s ,- 1 , DATEADD ( mm , DATEDIFF ( m , 0 , GETDATE ())+ 1 , 0 )) Last Day of Next Month SELECT DATEADD ( s ,- 1 , DATEADD ( mm , DATEDIFF ( m , 0 , GETDATE ())+ 2 , 0 )) b) . Last day of any day specified. Last Day of Any Month and Year DECLARE @dtDate DATETIME SET @dtDate = '8/18/2007' SELECT DATEADD ( s ,- 1 , DATEADD ( mm , DATEDIFF ( m , 0 , @dtDate )+ 1 , 0 ))