calcal (version 1.0.0)

new_calendar: Define calendar objects

Description

Generate a calendar object of class "calendar". Examples of calendars produced in this way include cal_chinese, cal_gregorian, cal_hebrew, cal_islamic, and cal_iso.

Usage

new_calendar(
  name,
  short_name,
  granularities,
  validate_granularities,
  format,
  from_rd,
  to_rd
)
cal_babylonian
cal_bahai
cal_balinese
cal_chinese
cal_japanese
cal_korean
cal_vietnamese
cal_coptic
cal_ethiopic
cal_egyptian
cal_armenian
cal_french
cal_afrench
cal_gregorian
cal_hebrew
cal_icelandic
cal_islamic
cal_iso
cal_julian
cal_oislamic
cal_saudi
cal_ohebrew
cal_samaritan
cal_mayan
cal_hindu_lunar
cal_hindu_solar
cal_old_hindu_solar
cal_old_hindu_lunar
cal_persian
cal_apersian
cal_roman
cal_tibetan

Value

A calendar object of class "calendar"

Arguments

name

Name of calendar

short_name

Short name of calendar

granularities

Character vector with names of granularities of calendar (e.g., for the Gregorian calendar, the granularities are year, month, and day).

validate_granularities

Function to check granularities are valid (e.g., Gregorian months should be between 1 and 12).

format

Function to specify date format as a character string.

from_rd

Function to convert from RD to calendar date.

to_rd

Function to convert from calendar date to RD.

Examples

cal_gregorian
tibble::tibble(
  x = new_date(year = 2025, month = 5, day = 1:31, calendar = cal_gregorian),
  y = as_date(x, calendar = cal_islamic)
)