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 3, 2025, : Noumenia
  • April 8, 2025, : Delphinia
  • April 8, 2025, : Hana Matsuri
  • April 8, 2025, : Jashan de Farvardin
  • April 9, 2025: Libation to Artemis

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, in Kyoto, Japan, Miyako Odori takes place for a month. The dances, songs and theatrical productions presented as part of the Miyako Odori are performed by the maiko (apprentice geisha) and geisha of the Gion district. #mythology #myth #legend #calendar #April #gion #kyoto #japan #MiyakoOdori

  • 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 3, 2025 (1 event)

    April 3, 2025

    On this day, the Greeks celebrated Noumenia, the New Moon marking a new month. The Noumenia is the second day of a three-day family festival held every lunar month – the Deipnon of Hekate, then the Noumenia, followed by the Agathos Daimon. #mythology #myth #legend #calendar #noumenia

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  • April 8, 2025 (3 events)

    April 8, 2025

    On this day, the Greeks celebrated Delphinia. Unmarried women went to venerate Apollo and Artemis on the shores of Ilissos. Plutarch points out that this day is connected with the myth of Theseus, where the victims for the minotaurs were chosen from among the virgins. #mythology #myth #legend #calendar #6mounykhion #8April #delphinia

    April 8, 2025

    Today, the Japanese celebrate Hana Matsuri. Originally Buddha's birthday, it has also become synonymous with the arrival of spring and an opportunity to pray for the health of young children. #mythology #myth #legend #calendar #8April #Buddha #hanamatsuri #Japan

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    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

    On this day, the Greeks made a libation to Artemis. Daughter of Zeus and Leto, sister of Apollo, she is the goddess of wild animals, hunting and warlike frenzy. She is also the protector of children (human and animals), pregnancy, childbirth and midwives. Her favor guarantees pure hunters and soldiers to be guided until their death which she will take. #mythology #myth #legend #calendar #9April #GreeceAncient #Artemis

  • April 14, 2025 (2 events)

    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 14, 2025

    Today, the Japanese begin the Takayama festivals of Gifu. The Takayama Spring Festival takes place at Hie Shrine, also known as Sanno Shrine. He is held to petition the gods for good harvests. #mythology #myth #legend #calendar #April 14 #takayama #japan

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  • 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

    On this day, the Greeks celebrated Olympeia in honor of Olympian Zeus. Established by the tyrant Pisistratus and associated with the inauguration of the Temple of Olympian Zeus in Athens, the festival included a cavalry procession and cavalry competitions and exhibitions. In addition, a large number of bulls were sacrificed to Zeus. #mythology #myth #legend #calendar #April 21 #olympeia #olympus #zeus #GreeceAncient

    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 23, 2025 (1 event)

    April 23, 2025

    Today, the Baltics celebrate Jurģi, the spring festival which coincides with the Catholic Saint George's Day. There are many rituals during Jurģi, the best known is that of moving. Stone or straw from the old site is carried away and scattered in the new living place, so that the person leaving will not be cursed by any spell. #mythology #myth #legend #calendar #April 23 #jurgi #littuania

  • April 29, 2025 (1 event)

    April 29, 2025

    Today, the Japanese begin Golden Week. Four public holidays take place, April 29, the birth day of Emperor Shōwa; May 3 Constitution Commemoration Day; May 4 Nature Day; May 5 children's day. #mythology #myth #legend #calendar #April 29 #GoldenWeek #Japan

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.