Simple and Fast Date Manipulation on Character Strings in Format 'DD.MM.YYYY' R package theRefdate version 1.0.0 Provides simple and fast date manipulation functions operating on character strings in the format 'DD.MM.YYYY'. Functions include extraction of day, month, and year components, computation of differences between two dates, and addition or subtraction of months. Software Suggests: testthat (>= 3.0.0), knitr, rmarkdown Prem Lueers <prem@lueers.net> Comprehensive R Archive Network (CRAN) Prem Lueers [aut, cre] (ORCID: <https://orcid.org/0009-0003-3315-1438>) LGPL-3 2026-03-23 application/tgz https://CRAN.R-project.org/package=theRefdate doi:10.32614/CRAN.package.theRefdate de