In the Options window, uncheck Use DATE. format for a Date/Time column
or use the code below.
PROC IMPORT OUT= WORK.TEST
DATAFILE= "F:\MySAS\Test_import.xls"
DBMS=EXCEL REPLACE;
SHEET="Sheet1$";
GETNAMES=YES;
MIXED=NO;
SCANTEXT=YES;
USEDATE=YES;
SCANTIME=YES;
RUN;