package main

import (
	"fmt"
	"time"
)

func main() {
	tm := time.Now()
	tmu := time.Now().UTC()

	fmt.Println("Current time:", tm)
	fmt.Println("Current time UTC:", tmu)
	fmt.Println("")
	fmt.Println("Put your machine to sleep for 2 minutes now...")
	<-time.After(1 * time.Minute)

	now := time.Now()
	fmt.Println("")
	fmt.Println("The current time is: ", now)
	fmt.Println("The previous time was: ", tm)
	fmt.Println("The difference between these times is: ", now.Sub(tm))

	nowu := time.Now().UTC()
	fmt.Println("")
	fmt.Println("The current UTC time is: ", nowu)
	fmt.Println("The previous UTC time was: ", tmu)
	fmt.Println("The difference between these UTC times is: ", nowu.Sub(tmu))
}