utility displays a simple calendar in traditional format and
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:
Print the previous month, the current month, and the next month all on one row.
This flag will only work if you are not displaying Julian days (see
Display Julian Calendar, if combined with the
option, display date of easter according to the Julian Calendar.
Display date of easter (for western churches).
Print a calendar where Monday is the first day of the week, as opposed to
Display Julian days (days one-based, numbered from January 1).
Display date of orthodox easter (Greek and Russian
Print the country codes and switching days from Julian to Gregorian
Calendar as they are assumed by
The country code as determined from the local environment is marked
with an asterisk.
Assume the switch from Julian to Gregorian Calendar at the date
associated with the
If not specified,
tries to guess the switch date from the local environment or
falls back to September 2, 1752. This was when Great
Britain and her colonies switched to the Gregorian Calendar.
Print the number of the week below each week column.
Display a calendar for the current year.
A single parameter specifies the year (1 - 5875706) to be displayed;
note the year must be fully specified:
display a calendar for 1989.
Two parameters denote the month and year; the month is either a number between
1 and 12, or a full or abbreviated name as specified by the current locale.