The hardware and bandwidth for this mirror is donated by dogado GmbH, the Webhosting and Full Service-Cloud Provider. Check out our Wordpress Tutorial.
If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]dogado.de.

Introduction

The Chinese ID number contains a lot of information, this package helps you get the region, date of birth, age, age based on year, gender, zodiac, constellation information from the Chinese ID number.

Installation

# Install development version via GitHub
remotes::install_github("chuxinyuan/cnid")
# Install from CRAN
install.packages("CNID")

Usage

Get full information from ID number.

id = c(
  "653127198503161793",
  "652801197305161555", 
  "130206202202291545",
  "110101841125178",
  "12345678",
  "65312a198204181793"
)
cnid_info(id)

Check whether the ID number is valid.

check_id(id)

Get date of birth, age, gender, etc.

birth_date(id)
age(id)
age_by_year(id)
gender(id)
region(id)
zodiac(id)
cstl(id)

Convert the 15 Digits ID Number to 18 Digits.

convert18(id)

Calculate whether a given year is a leap year. Return TRUE if it is a leap year, FALSE otherwise.

leap_year(2024)

Calculate the number of days in a given year and month, such as february 2022.

mdays(2022, 2)

Calculate the number of days in a given year, such as 2022.

ydays(2022)

License

CNID is free and open source software, licensed under MIT + file LICENSE.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.