Object for manipulating date/time.
System.date.hires: Class for representing a time of day.make System.date(): Constructs a new date object.make System.date(sec, min, hour, day_of_month, month, year, day_of_week, day_of_year, dst): Constructs a new date object.day_of_month: Day of the month (1-31).day_of_week: Day of the week (0-6).day_of_year: Day of the year (0-365).dst: Daylight Saving Time (true/false).hour: Number of hours (0-23).min: Number of minutes (0-59).month: Month (1-12).sec: Number of seconds (0-59).year: Year (yyyy).format(format): Format date into a string, given format specifier.now_gmt(): Returns the current time in GMT.now_local(): Returns the current local time.parse(val, format): Parse given value into a date object.str(): Returns string representation of date.timestamp(): Return given date as the number of seconds since 1970.