To cite package ‘jcalendaR’ in publications use:

Kobayashi M (2025). jcalendaR: Interconversion Between the Japanese Calendar System and the Western Calendar. R package version 0.1.0.9000, https://github.com/indenkun/jcalendar.

Corresponding BibTeX entry:

  @Manual{,
    title = {jcalendaR: Interconversion Between the Japanese Calendar
      System and the Western Calendar},
    author = {Mao Kobayashi},
    year = {2025},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/indenkun/jcalendar},
  }