test-bash

#!/bin/bash
dat=$(date -u)
echo "> Script had started at $dat"
start=$(date +%s)

#Your code of program have to be here.

now=$(date +%s)
let "time = $now - $start"
if [[ $time > 60 ]]
then
    let "min = $time / 60"
    echo "> Script was running during $min min"
else
    let "min = $time"
    echo "> Script was running during $min sec"
fi