main.go

package main

import (
	"fmt"
	"time"
)

const timeFormat = "2006-01-02 15:04 MST"

func main() {
	goingHome, err := time.Parse(timeFormat, "2016-04-01 12:00 UTC")
	if err != nil {
		fmt.Println(err)
		return
	}
	delta := goingHome.Sub(time.Now())
	daysUntil := int(delta.Hours() / 24)
	fmt.Printf("%v days until home\n", daysUntil)
	fmt.Printf("%v weeks until home\n", daysUntil/7)
}