General form, values read with DATETIMEw. informat: ddmmmyy hh:mm:ss.ss where ddmmmyy is the date value, the same form as for the DATEw. informat hh:mm:ss.ss is the required form of the time value hh is an integer from 00 to 23, representing the hour mm is an integer from 00 to 59, representing the minute ss.ss is an optional field representing seconds and hundredths of seconds Note that the date value and time value are separated by a blank or other delimiter.

If you do not enter a value for ss.ss, SAS software assumes a value of zero. Here are some examples of the DATETIMEw. informat. Note that in the time value, delimiters are required to separate the values for hour, minutes, and seconds.

Date and Time Expression	SAS Datetime Informat
30May2000:10:03:17.2	DATETIME20.
30May00 10:03:17.2	DATETIME18.
30May2000/10:03	DATETIME15.