Calendrical Calculations
Babylonian calendar dates
Bahá'í holidays
Bahá'í calendar dates
Balinese Pawukon calendar dates
calcal: Calendrical Calculations
Internal vctrs methods
Chinese holidays
Chinese, Japanese, Korean and Vietnamese calendar dates
Christian Ecclesiastical Holidays
Coptic and Ethoiopic calendar dates
Hindu holidays and special days
Egyptian and Armenian calendar dates
French Revolutionary calendar dates
Canonical granularities
Compute granularities from dates
Gregorian calendar dates
Hebrew calendar dates
Hindu solar and lunar calendar dates
Icelandic calendar dates
Islamic holidays
Islamic calendar dates
ISO calendar dates
Jewish Holidays
Julian calendar dates
Balinese special days
Locations
Lunar phase at date
Mayan calendar dates
Define calendar objects
Create a new date vector or convert a date vector to a new calendar
Full moons and new moons in Gregorian years
Persian dates
Roman calendar dates
Sun and moon rise and set given a date and location
Tibetan calendar dates
Tibetan holidays
Time of day
Convert to time of day
US Holidays
An R implementation of the algorithms described in Reingold and Dershowitz (4th ed., Cambridge University Press, 2018) <doi:10.1017/9781107415058>, allowing conversion between many different calendar systems. Cultural and religious holidays from several calendars can be calculated.
Useful links