xref: /freebsd/usr.bin/ncal/ncal.1 (revision cb0f03a1a810dd18ff614542df786f5855d94217)

.\" Copyright (c) 1997 Wolfgang Helbig
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.\"	$Id: ncal.1,v 1.1.1.1 1997/12/15 20:35:22 helbig Exp $
.\"
.Dd December 16, 1997
.Dt CAL 1
.Os
.Sh NAME
.Nm cal ,
.Nm ncal
.Nd displays a calendar and the date of easter
.Sh SYNOPSIS
.Nm cal
.Op Fl jy
.Op Oo Ar month Oc Ar \ year
.Nm ncal
.Op Fl jJpwy
.Op Fl s Ar country code
.Op Oo Ar month Oc Ar \ year
.Nm ncal
.Op Fl Jeo
.Op Ar year
.Sh DESCRIPTION
.Nm Cal
displays a simple calendar in traditional format and
.Nm ncal
offers an alternative layout, more options and the date of easter.
The new format is a little cramped but it makes a year fit
on a 25x80 terminal.
If arguments are not specified,
the current month is displayed.
The options are as follows:
.Bl -tag -width Ds
.It Fl J
Display Julian Calendar, if combined with the
.Fl e
option, display date of easter according to the Julian Calendar.
If not specified, the Julian Calendar is assumed till October 4, 1582
and the Gregorian Calendar thereafter.
.It Fl e
Display date of easter (for western churches).
.It Fl j
Display Julian days (days one-based, numbered from January 1).
.It Fl o
Display date of orthodox easter (Greek and Russian
Orthodox Churches).
.It Fl p
Print the country codes and switching days from Julian to Gregorian
Calendar as they are assumed by
.Nm ncal .
.It Fl s Ar country-code
Assume the switch from Julian to Gregorian Calendar at the date
associated with the
.Ar country-code .
If not specified,
.Nm ncal
assumes October 4, 1582 (on this day the Catholic Church switched to Gregorian
Calendar) and
.Nm cal
thinks with Great Britain and her colonies that
September 2, 1752 was the date to switch to Gregorian Calendar.
.It Fl w
Print the number of the week below each week column.
.It Fl y
Display a calendar for the current year.
.El
.Pp
A single parameter specifies the year (1 - 9999) to be displayed;
note the year must be fully specified:
.Dq Li cal 89
will
.Em not
display a calendar for 1989.
Two parameters denote the month (1 - 12) and year.
.Pp
A year starts on Jan 1.
.Pp
.Sh SEE ALSO
.Xr calendar 3 ,
.Xr strftime 3
.Rs
.Sh HISTORY
A
.Nm cal
command appeared in
.At v6 .
The
.Nm ncal
command appeared in
.Fx 3.0 .
.Sh AUTHOR
This
manual page and the command was written by
.An Wolfgang Helbig Aq helbig@FreeBSD.ORG .