1 .\" Copyright (c) 1997 Wolfgang Helbig
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33 .Nd displays a calendar and the date of easter
37 .Op Oo Ar month Oc Ar \ year
40 .Op Fl s Ar country_code
41 .Op Oo Ar month Oc Ar \ year
47 displays a simple calendar in traditional format and
49 offers an alternative layout, more options and the date of easter.
50 The new format is a little cramped but it makes a year fit
52 If arguments are not specified,
53 the current month is displayed.
55 The options are as follows:
56 .Bl -tag -width indent
58 Display Julian Calendar, if combined with the
60 option, display date of easter according to the Julian Calendar.
62 Display date of easter (for western churches).
64 Display Julian days (days one-based, numbered from January 1).
66 Display date of orthodox easter (Greek and Russian
69 Print the country codes and switching days from Julian to Gregorian
70 Calendar as they are assumed by
72 The country code as determined from the local environment is marked
74 .It Fl s Ar country_code
75 Assume the switch from Julian to Gregorian Calendar at the date
80 tries to guess the switch date from the local environment or
81 falls back to September 2, 1752. This was when Great
82 Britain and her colonies switched to the Gregorian Calendar.
84 Print the number of the week below each week column.
86 Display a calendar for the current year.
89 A single parameter specifies the year (1 - 9999) to be displayed;
90 note the year must be fully specified:
94 display a calendar for 1989.
95 Two parameters denote the month (1 - 12) and year.
97 A year starts on Jan 1.
115 command and manual were written by
116 .An Wolfgang Helbig Aq helbig@FreeBSD.org .
118 The assignment of Julian - Gregorian switching dates to
119 country codes is historically naive for many countries.