UTC

fun UTC(year: Int, month: Int): Double
fun UTC(    year: Int,     month: Int,     day: Int): Double
fun UTC(    year: Int,     month: Int,     day: Int,     hour: Int): Double
fun UTC(    year: Int,     month: Int,     day: Int,     hour: Int,     minute: Int): Double
fun UTC(    year: Int,     month: Int,     day: Int,     hour: Int,     minute: Int,     second: Int): Double
fun UTC(    year: Int,     month: Int,     day: Int,     hour: Int,     minute: Int,     second: Int,     millisecond: Number): Double