perl-Date-Calc: perl-Date-Calc (Date::Calc) perl-Date-Calc: perl-Date-Calc: perl-Date-Calc provides Gregorian calendar date calculations. perl-Date-Calc: perl-Date-Calc: Homepage: http://search.cpan.org/dist/Date-Calc/ perl-Date-Calc: perl-Date-Calc: perl-Date-Calc: perl-Date-Calc: perl-Date-Calc: perl-Date-Calc: