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 9, 2025: Libation to Artemis

The complete interactive calendar

Holidays of the month

  • April 1, 2025 (3 events)

    April 1, 2025

    Today, the Konyak people of Nagaland (northeast India) celebrate Aoling. This ancestral tradition prepares hunters and farmers for the coming season. It is also an opportunity to pray to the spirits and ask for their generosity with the help of animal sacrifice. #mythology #myth #legend #calendar #April 1st #Nagaland #Aoling #Konyak

    April 1, 2025

    Today, the Phom people of Nagaland in northeast India celebrate Monyu. This festival lasts more than a week and is an opportunity to honor the renewal of the spirits of spring. Many activities take place on the different days of the festival such as harvests, meals, dances. #mythology #myth #legend #calendar #April 1st #phom #nagaland #inde #monyu

    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 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 (2 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 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 13, 2025 (1 event)

    April 13, 2025

    Today, Sikhs celebrate Vaisakhi, the harvest festival. It is tradition to start harvesting after this festival. #mythology #myth #legend #calendar #April 13 #April 14 #aisakhi

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  • April 14, 2025 (5 events)

    April 14, 2025

    Today, the Assamese community (in the north of Bengal, former Assam) celebrate Bihu, the new year. Linked to the seasons and agricultural cultures, it is celebrated throughout the country, with traditional dances marking the celebrations. #mythology #myth #legend #calendar #April 14 #assam #bihu

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    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 14, 2025

    Today in Odesha (India) the New Year Pana Sankranti takes place. The festival is celebrated with visits to the temples of Shiva, Shakti or Hanuman. People bathe in rivers or in major pilgrimage centers. Communities attend mela (fairs), take part in traditional dances or acrobatic shows. #mythology #myth #legend #inde #odesha #calendar #April 14

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    April 14, 2025

    Today, Bengali people celebrate the new year, Pohela Boishakh. Probably of Mughal origin, processions, fairs and family meals mark the transition to the new year. #mythology #myth #legend #calendar #April 14 #bengal

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    April 14, 2025

    Today, the Tamils (Sri Lanka and South India) celebrate the new year, Puthandu. It is an important day, considered to be when Brahma, the Creator, started the creation of the universe. On this festive morning, there is a ritual bath, followed by a religious ceremony which brings together the members of the family. #mythology #myth #legend #calendar #April 14 #puthandu #SriLanka

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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 (1 event)

    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 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.