
Define calendar objects
Source:R/aa_calendar.R
, R/babylonian.R
, R/bahai.R
, and 16 more
cal_calendar.Rd
Generate a calendar object of class "calcal". Examples of calendars
produced in this way include cal_chinese
, cal_gregorian
, cal_hebrew
, cal_islamic
,
and cal_iso
.
Usage
cal_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_old_hindu_solar
cal_old_hindu_lunar
cal_persian
cal_apersian
cal_roman
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
, andday
).- validate_granularities
Function to check granularities are valid (e.g., Gregorian months should be between 1 and 12).
- format
Functon 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
#> Calendar: gregorian
#> Granularities: year, month, day
tibble::tibble(
x = new_date(year = 2025, month = 5, day = 1:31, calendar = cal_gregorian),
y = as_date(x, calendar = cal_islamic)
)
#> # A tibble: 31 × 2
#> x y
#> <Gre> <Hij>
#> 1 2025-May-01 1446-Dhu'l_Q-03
#> 2 2025-May-02 1446-Dhu'l_Q-04
#> 3 2025-May-03 1446-Dhu'l_Q-05
#> 4 2025-May-04 1446-Dhu'l_Q-06
#> 5 2025-May-05 1446-Dhu'l_Q-07
#> 6 2025-May-06 1446-Dhu'l_Q-08
#> 7 2025-May-07 1446-Dhu'l_Q-09
#> 8 2025-May-08 1446-Dhu'l_Q-10
#> 9 2025-May-09 1446-Dhu'l_Q-11
#> 10 2025-May-10 1446-Dhu'l_Q-12
#> # ℹ 21 more rows