To cite package ‘tzdb’ in publications use:

Vaughan D (2025). tzdb: Time Zone Database Information. R package version 0.5.0.9000, https://github.com/r-lib/tzdb.

Corresponding BibTeX entry:

  @Manual{,
    title = {tzdb: Time Zone Database Information},
    author = {Davis Vaughan},
    year = {2025},
    note = {R package version 0.5.0.9000},
    url = {https://github.com/r-lib/tzdb},
  }