Please refer below code
SQL
DECLARE @Table1 AS TABLE(FName VARCHAR(50),LName VARCHAR(50),Createddate VARCHAR(50))
INSERT INTO @Table1 VALUES('HGHG','A','24:06:2016:00:10:000')
INSERT INTO @Table1 VALUES('HGHG','B','25:06:2016:00:10:000')
INSERT INTO @Table1 VALUES('JHGJ','C','25:06:2016:01:18:000')
INSERT INTO @Table1 VALUES('JHGJ','CD','25:06:2016:06:10:000')
INSERT INTO @Table1 VALUES('JHGJ','E','26:06:2016:06:10:000')
DECLARE @Date VARCHAR(10)= '25:06:2016'
SELECT *
FROM @Table1
WHERE SUBSTRING(Createddate,1,DATALENGTH(Createddate)-10) = @Date
I hope this will help you out.