Chronos, Kairos and Aion are the three deities of time, events and epic destinies. Here is the multi-religious and multicultural calendar!

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holiday ephemeris calendar

The schedule in brief from D-2 to D+5

  • April 4, 2025: Isidore of Seville
  • April 8, 2025, : Jashan de Farvardin
  • April 9, 2025, : Haakon Sigurdsson

The complete interactive calendar

Holidays of the month

  • April 1, 2025 (3 events)

    April 1, 2025

    Today, the Assyrian people celebrate Akitu, the Babylonian and Sumerian new year more than 5 millennia old. For 12 days, prayers, feasts and parades take place to celebrate the god Marduk. #mythology #myth #legend #calendar #1April #Marduk #Akitu

    April 1, 2025

    Today, Assyrians celebrate Kha b-Nisan, the new year. These origins date back to 3000 BCE, the Assyrians wear traditional costumes. Traditional dances, songs and poems accompany the party all night long. #mythology #myth #legend #calendar #April 1 #Assyrian

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    April 1, 2025

    Today is April Fool's Day. Originally, it was a courier bringing love letters from his master. In the 17th century, April Fool's Day became an act intended to force someone to do unnecessary acts to make fun of them. Customs vary greatly and origins are highly contested. #mythology #myth #legend #calendar #April 1 #Aprilfish

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  • April 2, 2025 (1 event)

    April 2, 2025

    Today Iranians celebrate Sizdah Bedar, the end of Nowruz. This festival probably has its origins in Avesta and Zoroastrianism. It is an opportunity to go into nature to have a family picnic and enjoy the beauties of Spring. It is also the occasion to make jokes (April Fool's Day) since 536 CE. #mythology #myth #legend #calendar #April 1st #nowruz #SizdahBedar #iran #Avesta

  • April 4, 2025 (1 event)

    April 4, 2025

    celebrate Saint Isidore of Seville. This last master of the ancient world is known for converting the Visigothic kingdom and for his numerous writings on theology, history, cosmology and grammar. #mythology #myth #legend #calendar #4April #isidore #seville

  • April 8, 2025 (1 event)

    April 8, 2025

    Today, the Zoroasters celebrate the Jashan of Farvardin, in honor of their Fravashi. The Fravashi is the guardian angel of an individual (existent or non-existent) who sends his urvan (soul) to the material world to fight evil. On the fourth day after death, the urvan returns to his Fravashi where he will benefit from his earthly experience for his next reincarnation. #mythology #myth #legend #8April #Zoroaster #Farvardin

  • April 9, 2025 (1 event)

    April 9, 2025

    Today, the Asatrus celebrate the Earl of Lade Haakon Sigurdsson. Hero of the Heimskringla, he chased the Christianization of Norway and fought numerous times in the Scandinavian wars. #mythology #myth #legend #asatru #calendar #9April #sigurdsson #norway

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  • April 14, 2025 (1 event)

    April 14, 2025

    Today, Yazidis celebrate Çarşema Sor (Red Wednesday), the new year. Generally celebrated on the first Wednesday after April 14, eggs are boiled and colored, sawuk bread is baked, graves are visited to commemorate the dead and bring them offerings and fruits. Yazidis also wear festive clothing and visit nearby temples, including Lalish, home to the sacred Zemzem Spring, which flows into a dark cave. Yazidis offer sacrifices at the entrance to the cave and receive blessings. #mythology #myth #legend #calendar #April 14 #YazidiNewYear #Sawuk #Lalish

  • April 15, 2025 (1 event)


    April 15, 2025

    On this day, the Aztecs began the month of Huey Tozoztli, dedicated to the god Tlaloc. Tlaloc was the god of fertility (of the earth), water and good health. His kindness was essential to guarantee good harvests and avoid bad weather that could ruin them during this month. #mythology #myth #legend #calendar #12May #HueyTozoztli #Aztec #Tlaloc

  • April 21, 2025 (2 events)

    April 21, 2025

    Today, the Spanish people of Alcoy celebrate Moros y Cristianos. The Moors and Christians of Alcoy is the best known. With greater or lesser differences, this festival is made up of different episodes, among which we invariably find the Entrances or Parades, Embassies and Processions. The story of the Iberian reconquest by the Christians takes place over a period of 3 days. #mythology #myth #legend #calendar #April 21 #Reconquista #MorosYCristianos #Alcoy

    April 21, 2025

    Today, Bahá'ís celebrate Riḍvān. Lasting twelve days, the festival commemorates the prophet Bahāʾ-Allāh. Riḍvān means paradise and refers to the Garden of Ridván located near Baghdad, where the prophet spent twelve days after being exiled from Baghdad by the Ottoman Empire, before beginning his journey to Constantinople. #mythology #myth #legend #calendar #April 21 #Ridvan

  • April 22, 2025 (1 event)

    April 22, 2025

    Today, the Asatrus celebrate Yggdrasil Day. Not present in ancient traditions, this festival is symbolic in order to remember natural forces and the importance of protecting our planet. #mythology #myth #legend #calendar #April 22 #asatru #Yggdrasil

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  • April 23, 2025 (5 events)

    April 23, 2025

    Today, some Spaniards celebrate Castile and León Day. These two autonomous regions commemorate the anniversary of the Battle of Villalar, in which Castilian rebels called Comuneros suffered a crushing defeat against the royalist forces of King Charles I during the Comuneros Revolt of April 23, 1521. #mythology #myth #legend #calendar #23April #Castile #Leon #Spain

    April 23, 2025

    Today, Germans commemorate the Treaty of Reinheitsgebot. Dating from 1487, it constitutes one of the oldest food decrees, specifying the ingredients authorized in the brewing of beer. It is therefore an opportunity to honor the drink! (in moderation) #mythology #myth #legend #calendar #April 23 #Reinheitsgebot #Germany #Beer

    April 23, 2025

    Today, the English particularly celebrate Saint George's Day. Patron saint of England since the Tudors came to the throne, this festival fell into disuse from the 18th century. This day is also the birthday of Shakespeare, a national figure of England. #mythology #myth #legend #calendar #April 23 #SaintGeorge

    April 23, 2025

    Today, Catholics celebrate Saint George of Lydda. Patron saint of chivalry, armorers and scouting, Saint George defeats the dragon of Silenus in Libya with a sign of the cross and a spear on his white horse. This legend gave the red cross on a white English background. #mythology #myth #legend #calendar #April 23 #SaintGeorge #Silenus

    April 23, 2025

    Today, Christians celebrate Saint George's Day, or Sant Jordi. Patron of Aragon, Valencia and Catalonia, among others, tradition dictates that, every year, a rose is offered, and since the 1920s, a book. #mythology #myth #legend #calendar #April 23 #catalonia #aragon #valence #santjordi

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  • April 25, 2025 (1 event)

    April 25, 2025

    Today, Christians commemorate Saint Mark the Evangelist. In Venice, on this day, men traditionally offer a single rosebud to the women they love. #mythology #myth #legend #calendar #April 25 #Saint Mark #venice

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  • April 26, 2025 (1 event)

    April 26, 2025

    Today, Italians celebrate Our Lady of Good Counsel. The town of Scutari in Albania was annexed to the Republic of Venice in 1396, ceding the town to the Ottoman Empire in 1479. A fresco representing a Virgin and Child Jesus was found "transported by angels" to Genazzano in Italy . #mythology #myth #legend #calendar #April 26 #Italy #Genazzano

  • April 27, 2025 (1 event)

    April 27, 2025

    Today, Catalans celebrate Our Lady of Montserrat, patroness of Catalonia. The statue, blackened by time, has the nickname Moreneta (the little black one), and it would be sacrilege to return the statue to its original color. From 233, the archangel Saint Michael descended on the site of Montserrat to destroy a temple that the Romans had built to Venus around the year 160. The statue was found on site by children in 880. #mythology #myth #legend #calendar #27April #Montserrat #Moreneta

  • April 28, 2025 (1 event)

    April 28, 2025

    Today, Sardinians celebrate Sa die de sa Sardigna, Sardinia Day. After an insurrection, on April 28, 1794 his dii de s'aciappa took place. Piedmontese officials are being hunted down, to flush them out, the locals ask people to say "chickpea" (nara cixiri) in Sardinian, very difficult for continentals to say. #mythology #myth #legend #calendar #April 28 #Sardinia #Sardigna

  • April 30, 2025 (1 event)

    April 30, 2025

    Today, Germanic and Saxon peoples celebrate Walpurgis Night. Saint Walpurga is said to have protected the German peoples from the plague, rabies, whooping cough and witches. This festival dates back to pre-Christian times and is said to be close to the Celtic festival Beltaine. #mythology #myth #legend #calendar #April 30 #walpurgis

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Multicultural and multi-religious almanac

An almanac is a calendar showing the main dates of the calendar, the religious holidays, bearing ephemerides such as the phases of the moon or the duration of the days (lunar and solar calendars).

A calendar is a system for marking dates according to time. Such a system was invented by men to divide and organize time over long periods. The observation of the periodic phenomena of the environment in which they lived — such as the daily movement of the shadow, the return of the seasons or the lunar cycle — served as the first references for organizing the agricultural, social and religious life of societies.

The calendar used today in most of the world is the Gregorian calendar. In everyday language, an ephemeris designates what happens daily; the ephemeris of the day is the list of the significant events of this day.