zipangu (development version) Unreleased

zipangu 0.2.3 2021-02-07

New Features

  • Added a function.
    • str_jnormalize can preprocess Japanese characters following the rules of ‘neologd’ (@paithiov909, #36).


  • Determination of substitute holidays due to forgetting to update raw data (#31).

zipangu 0.2.2 2021-02-01

New Features

  • Added functions to convert Kansuji to Arabic numbers (@indenkun #23).
    • kansuji2arabic_num() converts Kansuji that containing kansuji for positions (e.g. Hyaku, Sen, etc) to Arabic numerals with the numbers represented by Kansuji (Fix #8).
    • kansuji2arabic_str() converts Kansuji in the string to Arabic numerals with the numbers they represent.
  • Added functions to graph labels to handle Kansuji (@indenkun #4).


  • Holiday determination now reflects the 2021 calendar (@zettsu-t #28).
  • convert_jyear() supports strict representation of the Japanese imperial year (#30).

zipangu 0.2.1 2020-07-07

New Features

  • convert_jdate() can converts the Japanese date format to as a date object.


zipangu 0.2.0 2020-01-10

  • Added several functions to handle postal code data.
  • str_jconv() and str_conv_*() converts the kind of string used as Japanese people.
  • Added some functions related to Japanese holidays.
  • Find out the date of the specific month and weekday (find_date_by_wday())

zipangu 0.1.0 2019-12-01

  • Added a file to track changes to the package.