Hour

The Hour function determines the sequential number of the hour of the day(0-23) for the time value or the fraction of a day.

Usage:

	= Hour(<time_or_fraction>)

Examples:

	/* returns 13 */
	= Hour("13:23:46");

	/* returns 6 */
	= Hour(0.25);

	/* returns 18 */
	= Hour(-3.25);