Do you mean as in exporting to Excel or a format in SAS to display the values with that appearance?
Do you want leading zeroes for days 1 to 9 of a month? Do you want a 24-hour clock (hour = 0 to 23) or 12-hour (hour=0 to 11)? Should the hours/minutes/ seconds display leading zeroes 09:04:01 or 9:4:1?
Proc Format will let you create a wide variety of displays for date, time and datetime values.
Example:
proc format;
picture customdt (default=26)
low-high= '%d %B %Y %0H:%0M:%0S' (datatype=datetime)
;
run;
Data example;
x='17AUG2020:10:11:12'dt;
put x customdt.;
run;
Look in the log to see the result of the Put.
The format code is very dependent upon case as the different codes can mean different things when capitalized. I placed 0 (zeroes) in the time portion to keep it more consistent. The spaces and the : in the directives for the format are literal text. Remove them and there will not be spaces or : between elements. The Proc format directives for a format display is one of the few places that you must use single quotes instead of choosing between single and double. If you use double quotes you will get a lot of messages about undefined macros because the % is the indication of the start of a macro call.
A default display length is set to insure that the seconds display. The varying length of text for month names means that the system defaults for length might not display all the values with long month names like September. The month of May will use less space.
Read the documentation for the Format Procedure Picture statement for more details.
Since the value of the variable is numeric the default display in most SAS procedures will right justify the result.
