İf you already have a date value, 15May2012, stored in a data set but you want to display datetime,15May2012:00:00:00, without changing the value of underlyıng variable you may try picture directives in proc format. Zafer proc format;   pıcture dtfmt low-high = '%d%b%Y:00:00:00' (datatype=date); run; data _null_;   x = '15May2012'd;   put x dtfmt18.; run; 15MAY2012:00:00:00 ... View more