r-cran-date 1.2.39-1build1 (armhf binary) in ubuntu groovy

 This CRAN package provides functions for handling dates, along with
 examples and documentation.
 .
 Note that this is a legacy package providing functionality that had
 been absent from R. However, more recent versions of R have more
 powerful date and datetime functionality in the base package, i.e.
 r-base-core under Debian.