To cite package ‘timeless’ in publications use:

  Schoch D (2026). _timeless: Fast General Purpose Date/Time
  Converter_. R package version 0.3.0,
  <https://github.com/schochastics/timeless>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {timeless: Fast General Purpose Date/Time Converter},
    author = {David Schoch},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://github.com/schochastics/timeless},
  }