Epagomene

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The epagomens are additional days that are inserted in a calendar in addition to the months in order to reach the length of the solar year of 365 (or 366 in a leap year ). This enables calendar systems in which, for example, all months (or their comparable annual sections) have the same length. The epagomens can also be combined into an "extra month" or "additional month" with their own name.

Egypt

Originally only five days were added, which allowed the calendar to rotate through the solar year ( change year ), later with the introduction of the four-year switching cycle, a sixth day was added.

Middle East

Mesoamerica

Five days were always added, which also led to a change year . Instead of a switching cycle, the long count was developed.

  • In the Maya calendar , the Haab , there are the five Epagomene, which are summarized in the additional month Uayeb ("nameless").
  • In the Aztec calendar there were 18 annual periods of 20 days each and then five epagomens.

Bahá'í calendar

The Bahá'í calendar consists of 19 months of 19 days each, so that there is a difference of four or five days to the length of the solar year.

  • The calendar originally developed by the Báb provided for four to five epagomens to compensate for this difference, but did not yet provide any specific information about where in the calendar they should be inserted.
  • The founder of the Bahá'ís religion, Bahá'u'lláh , placed these days, which he now called Ayyám-i-Há, between the penultimate (Mulk) and the last ('Alá) month of the year. They are especially dedicated to hospitality and giving.

French Revolution

Calendar designs

Individual evidence

  1. Bahá'u'lláh: The Most Holy Book (Kitáb-i-Aqdas) . Ed .: The Universal House of Justice. Bahá'í-Verlag, Hofheim-Langenhain 2000, E27.
  2. Bahá'u'lláh: The Most Holy Book (Kitáb-i-Aqdas) . Ed .: The Universal House of Justice. Bahá'í-Verlag, Hofheim-Langenhain 2000, E28.
  3. Bahá'u'lláh: The Most Holy Book (Kitáb-i-Aqdas) . Ed .: The Universal House of Justice. Bahá'í-Verlag, Hofheim-Langenhain 2000, E29.