Command line options
Several options are available on the command line, they are:
	- --events Displays the events for the date
	specified (or today, if no date is specified).
	
- --from DATE Define the beginning of the range for
	the event display, or the startup day on the calenday views.
	By default, the event will span the whole day specified in
	DATE. 
	
- --to DATE Define the range end for the event
	display.  If this is not specified, it will default to the end
	of the day specified by the --from option.
	
- --file FILE Set the calendar to the FILE
	specified on the command line. 
DATE is interpreted as being in the local time- zone, unless a
specific timezone is specified.  Examples of valid date specifications
include: "1 month ago",  "2 hours ago",  "400000 seconds ago",  "last
year", "last Monday",  "yesterday",  "a fortnight ago",  "3/31/92
10:00:07 PST",  "January 23, 1987 10:05pm", "22:00 GMT".