random time zone go illustrations

main.go

package main

import (
	"fmt"
	"time"
)

func main() {
	utc6 := time.FixedZone("UTC+6", 6*3600)
	utc7 := time.FixedZone("UTC+7", 7*3600)

	aTime := time.Unix(3600, 0)

	// Call string with default format, play.golang.org is in UTC.
	fmt.Println(aTime)

	// Same time will be displayed in different timezones. "7am and 8am"
	fmt.Println(aTime.In(utc6), "||", aTime.In(utc7))

	// .Unix() will not change depending on time zone.
	fmt.Println(aTime.In(utc6).Unix(), aTime.In(utc7).Unix())

	// time.Time's Equal method is true across different timezones.
	fmt.Println(aTime.In(utc6).Equal(aTime.In(utc7)))
	
	// but they are different according to the equal operator
	fmt.Println(aTime.In(utc6) == aTime.In(utc7))
}

// Only first line of output differs depending on host timezone

// Play output (UTC):
// 1970-01-01 01:00:00 +0000 UTC
// 1970-01-01 07:00:00 +0600 UTC+6 || 1970-01-01 08:00:00 +0700 UTC+7
// 3600 3600
// true
// false

// Output on a machine in EST:
// 1969-12-31 20:00:00 -0500 EST
// 1970-01-01 07:00:00 +0600 UTC+6 || 1970-01-01 08:00:00 +0700 UTC+7
// 3600 3600
// true
// false