Eben,
  I would, without hesitation, recommend Date::Manip.  It is a Perl-only (no
C compilation required) module and so should run without any porting effort
on the 3000.

Ted
--
Ted Ashton ([log in to unmask]), Info Sys, Southern Adventist University
          ==========================================================
A formal manipulator in mathematics often experiences the discomforting
feeling that his pencil surpasses him in intelligence.
                                        -- Eves, Howard W.
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         Deep thoughts to be found at http://www.southern.edu/~ashted