1.\" Copyright (c) 1997 Wolfgang Helbig 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd December 16, 1997 28.Dt CAL 1 29.Os 30.Sh NAME 31.Nm cal , 32.Nm ncal 33.Nd displays a calendar and the date of easter 34.Sh SYNOPSIS 35.Nm 36.Op Fl jy 37.Oo 38.Op Ar month 39.Ar year 40.Oc 41.Nm ncal 42.Op Fl jJpwy 43.Op Fl s Ar country_code 44.Oo 45.Op Ar month 46.Ar year 47.Oc 48.Nm ncal 49.Op Fl Jeo 50.Op Ar year 51.Sh DESCRIPTION 52.Nm Cal 53displays a simple calendar in traditional format and 54.Nm ncal 55offers an alternative layout, more options and the date of easter. 56The new format is a little cramped but it makes a year fit 57on a 25x80 terminal. 58If arguments are not specified, 59the current month is displayed. 60.Pp 61The options are as follows: 62.Bl -tag -width indent 63.It Fl J 64Display Julian Calendar, if combined with the 65.Fl e 66option, display date of easter according to the Julian Calendar. 67.It Fl e 68Display date of easter (for western churches). 69.It Fl j 70Display Julian days (days one-based, numbered from January 1). 71.It Fl o 72Display date of orthodox easter (Greek and Russian 73Orthodox Churches). 74.It Fl p 75Print the country codes and switching days from Julian to Gregorian 76Calendar as they are assumed by 77.Nm ncal . 78The country code as determined from the local environment is marked 79with an asterisk. 80.It Fl s Ar country_code 81Assume the switch from Julian to Gregorian Calendar at the date 82associated with the 83.Ar country_code . 84If not specified, 85.Nm ncal 86tries to guess the switch date from the local environment or 87falls back to September 2, 1752. This was when Great 88Britain and her colonies switched to the Gregorian Calendar. 89.It Fl w 90Print the number of the week below each week column. 91.It Fl y 92Display a calendar for the current year. 93.El 94.Pp 95A single parameter specifies the year (1 - 9999) to be displayed; 96note the year must be fully specified: 97.Dq Li cal 89 98will 99.Em not 100display a calendar for 1989. 101Two parameters denote the month (1 - 12) and year. 102.Pp 103A year starts on Jan 1. 104.Sh SEE ALSO 105.Xr calendar 3 , 106.Xr strftime 3 107.Sh HISTORY 108A 109.Nm 110command appeared in 111.At v6 . 112The 113.Nm ncal 114command appeared in 115.Fx 2.2.6 . 116.Sh AUTHORS 117The 118.Nm ncal 119command and manual were written by 120.An Wolfgang Helbig Aq helbig@FreeBSD.org . 121.Sh BUGS 122The assignment of Julian - Gregorian switching dates to 123country codes is historically naive for many countries. 124