alternatively, can capture current time and use for calculation or display. This example prints to log.
v_start_text = "STARTED:" || Format( Today(), "m/d/y h:m:s" );
Show( v_start_text );
// body of script here
v_end_text = "ENDED:" || Format( Today(), "m/d/y h:m:s" );
Show( v_end_text );