locations_iso8601.go

package main

import (
	"fmt"
	"time"
)

var (
	dateTimeISO8601format1 = "2006-01-02T15:04:05.999Z07:00"
	dateTimeISO8601format2 = "2006-01-02T15:04:05.999-07:00"
	dateTimeISO8601format3 = "2006-01-02T15:04:05Z07:00"
	dateTimeISO8601format4 = "2006-01-02T15:04:05-07:00"
)

func main() {
	location, err := time.LoadLocation("America/Los_Angeles")
	if err != nil {
		panic(err)
	}

	t := time.Now().Add(259328762398 * time.Millisecond)
	fmt.Println(t.Format(dateTimeISO8601format1))
	fmt.Println(t.Format(dateTimeISO8601format2))
	fmt.Println(t.Format(dateTimeISO8601format3))
	fmt.Println(t.Format(dateTimeISO8601format4))

	t = t.In(location)
	fmt.Println(t.Format(dateTimeISO8601format1))
	fmt.Println(t.Format(dateTimeISO8601format2))
	fmt.Println(t.Format(dateTimeISO8601format3))
	fmt.Println(t.Format(dateTimeISO8601format4))

	location, err = time.LoadLocation("Europe/Budapest")
	if err != nil {
		panic(err)
	}

	t = t.In(location)
	fmt.Println(t.Format(dateTimeISO8601format1))
	fmt.Println(t.Format(dateTimeISO8601format2))
	fmt.Println(t.Format(dateTimeISO8601format3))
	fmt.Println(t.Format(dateTimeISO8601format4))
}