Section 1: cal



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CAL(1)                      System Reference Manual                     CAL(1)

NAME

cal - displays a calendar

SYNOPSIS

cal [-jy] [[month] year]

DESCRIPTION

Cal displays a simple calendar. If arguments are not specified, the cur- rent month is displayed. The options are as follows: -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 pa- rameters are specified, the current month's calendar is displayed. 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 reforma- tion (although a few did not recognize it until the early 1900's.) Ten days following that date were eliminated by the reformation, so the cal- endar for that month is a bit unusual.

HISTORY

A cal command appeared in Version 6 AT&T UNIX. BSD Experimental June 6, 1993 1