Time thing in golang

main.go

package main

import (
	"fmt"
	"time"
)

var utc *time.Location

func main() {
	utc, _ = time.LoadLocation("UTC")
	nl, _ := time.LoadLocation("Europe/Amsterdam")
	de, _ := time.LoadLocation("Europe/Berlin")
	us, _ := time.LoadLocation("America/New_York")

	// Morning newsletter
	// NL
	printStuff("2016-03-15T07:10:00Z", nl)
	fmt.Println("-------------------------------------------------------")

	// DE
	printStuff("2016-03-15T07:10:00Z", de)
	fmt.Println("-------------------------------------------------------")

	// US
	printStuff("2016-03-15T12:10:00Z", us)
	fmt.Println("-------------------------------------------------------")

	fmt.Println("")
	fmt.Println("")
	fmt.Println("Very long evening newsletter")
	fmt.Println("")

	// Evening newsletter (with very long delay)
	// NL
	printStuffAndCompare("2016-03-15T19:10:00Z", "2016-03-15T07:10:00Z", nl)
	fmt.Println("-------------------------------------------------------")

	// DE
	printStuffAndCompare("2016-03-15T19:10:00Z", "2016-03-15T07:10:00Z", de)
	fmt.Println("-------------------------------------------------------")

	// US
	printStuffAndCompare("2016-03-16T00:10:00Z", "2016-03-15T12:10:00Z", us)
}

func printStuffAndCompare(current_newsletter, last_sent_newsletter string, loc *time.Location) {
	printStuff(current_newsletter, loc)
    current_newsletter_time, _ := time.Parse(time.RFC3339, current_newsletter)
    current_newsletter_without_time := withoutTime(current_newsletter_time.In(loc))
    last_sent_time, _ := time.Parse(time.RFC3339, last_sent_newsletter)
    last_sent_without_time := withoutTime(last_sent_time.In(loc))

    if !current_newsletter_without_time.Equal(last_sent_without_time) {
        fmt.Printf("Times didn't match up: %s - %s\n", current_newsletter_without_time, last_sent_without_time)
    }
}

func printStuff(timeString string, loc *time.Location) {
	parsed_time, _ := time.Parse(time.RFC3339, timeString)
	fmt.Println(parsed_time)
	fmt.Println(parsed_time.In(loc))
	fmt.Println(withoutTime(parsed_time.In(loc)))
}

func withoutTime(input time.Time) time.Time {
	return time.Date(input.Year(), input.Month(), input.Day(), 0, 0, 0, 0, utc)
}