package main
import (
"fmt"
"time"
"flag"
)
func main() {
var result string
var universal bool
it_is := time.Now()
flag.BoolVar(&universal, "u", false, "UTC time.")
flag.Parse()
if universal {
it_is = it_is.UTC()
}
if flag.NArg() == 1 {
result = it_is.Format(flag.Args()[0])
} else {
result = it_is.String()
}
fmt.Println(result)
}