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CAL(1)				   BSD General Commands Manual				   CAL(1)

     cal -- displays a calendar

     cal [-smjy13] [[month] year]

     Cal displays a simple calendar.  If arguments are not specified, the current month is dis-
     played.  The options are as follows:

     -1      Display single month output.  (This is the default.)

     -3      Display prev/current/next month output.

     -s      Display Sunday as the first day of the week.  (This is the default.)

     -m      Display Monday as the first day of the week.

     -j      Display Julian dates (days one-based, numbered from January 1).

     -y      Display a calendar for the current year.

     A single parameter specifies the year (1 - 9999) to be displayed; note the year must be
     fully specified: ``cal 89'' will not display a calendar for 1989.	Two parameters denote the
     month (1 - 12) and year.  If no parameters are specified, the current month's calendar is

     A year starts on Jan 1.

     The Gregorian Reformation is assumed to have occurred in 1752 on the 3rd of September.  By
     this time, most countries had recognized the reformation (although a few did not recognize
     it until the early 1900's.)  Ten days following that date were eliminated by the reforma-
     tion, so the calendar for that month is a bit unusual.

     A cal command appeared in Version 6 AT&T UNIX.

     Several much more elaborate versions of this program exist, with support for colors, holi-
     days, birthdays, reminders and appointments, etc. For example, try the cal from
     http://home.sprynet.com/~cbagwell/projects.html or GNU gcal.

BSD					   June 6, 1993 				      BSD
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