The asctime function converts a time stored as seconds elapsed since midnight (00:00:00), January 1, 1970, coordinated universal time (UTC) to a character string

The clock function's era begins (with a value of 0) when the Concept program starts to execute

A string result

difftime returns the elapsed time in seconds, from timer0 to timer1

Convert a time value and correct for the local time zone

The time function returns the number of seconds elapsed since midnight (00:00:00), January 1, 1970, coordinated universal time (UTC), according to the system clock