package main import ( "fmt" "log" "time" ) func main() { s := "2017-04-09 03:38:45.000 UTC" t, err := time.Parse("2006-02-01 15:04:05.000 MST", s) if err != nil { log.Fatalf("time.Parse() failed wiht '%s'\n", err) } fmt.Printf("year: %d, month: %d, day: %d\n", t.Year(), t.Month(), t.Day()) }