chron			Create a Chronological Object
cut.dates		Create a Factor from a chron or dates Object
dates			Generate Dates Component from Input
day.of.week		Return a Number Between 0 and 6 to Specify the
			Day of the Week
julian			Convert from Calendar to Julian Date
leap.year		Indicate Leap Years
month.day.year		Convert from Julian to Calendar Date
seq.dates		Generate chron or dates Sequences
times			Generate Times Component from Input

days
months
quarters
weekdays
years			Return Corresponding Periods from a chron or dates
			Object

is.holiday
is.weekend		Find Weekends and Holidays in a chron or dates 
			Object

hours
minutes
seconds			Return Hours, Minutes, or Seconds from a times 
			Object
