Create a new Time structure expressed in Coordinated Universal Time (UTC).

Property definitions

core $ Tm :: gmtime
	# Create a new Time structure expressed in Coordinated Universal Time (UTC).
	new gmtime `{
		struct tm *tm;
		time_t t = time(NULL);
		tm = gmtime(&t);
		return tm;
	`}
lib/core/time.nit:103,2--109,3