WareLogging.

Need the date for [Easter]?

 brennen@lostfrog:~$ ncal -e
 23 March 2008

ManPage:

:The cal utility displays a simple calendar in traditional format and 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.