Days between two dates
yourbasic.org/golang
func main() {
// The leap year 2016 had 366 days.
t1 := Date(2016, 1, 1)
t2 := Date(2017, 1, 1)
days := t2.Sub(t1).Hours() / 24
fmt.Println(days) // 366
}
func Date(year, month, day int) time.Time {
return time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC)
}