deferred class
	TIME_MEASUREMENT

General
	cluster: time
	description: "Time Measurable Units"

Ancestors
	TIME_CONSTANTS

Queries
	fine_second: DOUBLE
	hour: INTEGER
	Hours_in_day: INTEGER
	minute: INTEGER
	Minutes_in_hour: INTEGER
	second: INTEGER
	Seconds_in_day: INTEGER
	Seconds_in_hour: INTEGER
	Seconds_in_minute: INTEGER
	time_default_format_string: STRING

Commands
	set_fine_second (s: DOUBLE)
	set_fractionals (f: DOUBLE)
	set_hour (h: INTEGER)
	set_minute (m: INTEGER)
	set_second (s: INTEGER)