PHP microtime function equivalent in Golang

time.go

// Golang microtime 
// Php microtime in golang, go
func microTime() float64 {
	loc, _ := time.LoadLocation("GMT")
	now := time.Now().In(loc)
	micSeconds := float64(now.Nanosecond()) / 1000000000
	return float64(now.Unix()) + micSeconds
}