seireki2wareki | R Documentation |
This is a set of functions for mutual conversion from Wareki that Japanese calendar dates to the Julian or Gregorian calendar dates. Before 1872, the Japanese calendar was used as the lunar calendar.
seireki2wareki(
date,
calendar = c("gregorian", "julian"),
era = c("south", "north", "east", "heishi", "kyoto", "non"),
one = c("kanji", "number"),
leap.month = c("kanji", "hiragana"),
sep = c("kanji", "/", "-")
)
wareki2seireki(
date,
calendar = c("gregorian", "julian"),
era = c("south", "north", "east", "heishi", "kyoto", "non"),
sep = "/"
)
date |
Date to be converted. It should always include the year, month, and day. |
calendar |
Select whether the calendar is Gregorian or Julian. |
era |
Whether the Gengo of the Japanese calendar is the Southern or Northern dynasty system, the system used in the Kanto region, the Heike, and Kyoto respectively, or no era names. |
one |
Whether to write the year in kanji as the first year or leave it as a number. |
leap.month |
Whether to write leap months in Kanji or Hiragana. |
sep |
The way the date is separated when the last date is written. |
String type date.
The data for the Kyureki calendar and era names refer to the following data.
manakai/data-locale https://github.com/manakai/data-locale
wareki2seireki("\u4ee4\u548c3\u5e741\u67081\u65e5")
seireki2wareki("2021/1/1")
wareki2seireki("\u5929\u6b636\u5e743\u670813\u65e5", calendar = "julian")
seireki2wareki("1578/4/18")
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