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

  • May 1, 2025, : Bona Dea
  • May 1, 2025: Lei Day
  • May 1, 2025, : Moatsu Mong
  • May 5, 2025: Miu Festival

The complete interactive calendar

Holidays of the month

mondaytuesdaywednesdayThursdayfridaysaturdaysunday
April 28, 2025(1 event)

Nichiren

April 28, 2025

Today, Buddhists commemorate Nichiren. He was a Japanese Buddhist monk from the Kamakura era who founded the Mahayana school of Japan on April 28, 1253. His school stood out from other Buddhist movements from its creation by the domination in its teaching of the Lotus Sutra. He is also known for revolutionizing the position of women in Japan thanks to his very feminist positions at the time. #mythology #myth #legend #calendar #April 28 #Nichiren

April 29, 2025
April 30, 2025
May 1, 2025(3 events)

Bona Dea

May 1, 2025

On this day, the Romans celebrated Bona Dea. She was a goddess in ancient Roman religion. She was associated with the chastity and fertility of Roman women, healing and protection of the state and people of Rome. Its rites allowed women to use strong wine and blood sacrifice, things otherwise forbidden to them by Roman tradition. #mythology #myth #legend #calendar #romeantique #rome #bonadea #1May #3December

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Lei Day

May 1, 2025

Today, Hawaiians celebrate Lei Day. Much more than May Day, this day is an opportunity to honor the culture of the island's natives since 1927. #mythology #myth #legend #calendar #May 1st #LeiDay #Hawai

Moatsu Mong

May 1, 2025

Today, the Ao Nagas of Nagaland celebrate Moatsu Mong. The festival takes place after the fields have been cleared, the weeds have been thrown away and the seeds are sown. People dance and sing, feast and pray. The festive spirits are complete with competitions where the best rice wine is rewarded. #mythology #myth #legend #calendar #May 1 #Nagaland #AoNagas #MoatsuMong

May 2, 2025
May 3, 2025
May 4, 2025
May 5, 2025(1 event)

Miu Festival

May 5, 2025

Today, the Khiamniungan Nagas of Nagaland begin the Miu festival. Sacred songs and dances allow children to be blessed and the fields to be fertilized for Jhum crops. #mythology #myth #legend #calendar #5May #Nagaland #Miu

May 6, 2025
May 7, 2025
May 8, 2025
May 9, 2025(1 event)

Lemuria

May 9, 2025

On this day, the Romans celebrated Lemuria. They paid homage to the dead and exorcised malevolent ghosts from their homes. The rites took place during the night, around midnight. #mythology #myth #legend #calendar #May 9 #May 11 #May 13 #rome #lemuria

May 10, 2025
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May 14, 2025
May 15, 2025(1 event)

Mercuralia

May 15, 2025

On this day, the Romans celebrated the Mercuralia. Mercury is the god of merchants and commerce. Merchants sprinkled their heads, their ships, their goods and their businesses with water taken from the well of Porta Capena. #mythology #myth #legend #calendar #rome #May 15 #mercuralia

May 16, 2025
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May 19, 2025
May 20, 2025
May 21, 2025(2 events)

Agonalia

May 21, 2025

On this day, the Romans celebrate an Agonium. Rites of early Rome, there are few sources describing the customs. Four Agonalia take place during a year. #mythology #myth #legend #calendar #9January #21May #17March #11December #agonalia #rome

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Vejovis

May 21, 2025

On this day, the Romans celebrated Vejovis, a god of Etruscan origin. A goat was sacrificed in his Capitol temple to prevent epidemics. There are few sources of early Roman ritual. #mythology #myth #legend #calendar #May 21 #Rome #Vejovis #Capitole

May 22, 2025
May 23, 2025(1 event)

Tubilustium

May 23, 2025

On this day, the Romans celebrate the Tubilustium. The month of March marked the beginning of the war season. The lustration ceremony accompanied by the sacred trumpets and the Saliens prepared the men and the city for future military campaigns. #mythology #myth #legend #calendar #March 23 #May 23 #rome #tubilustrium

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May 24, 2025
May 25, 2025
May 26, 2025
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May 28, 2025
May 29, 2025
May 30, 2025(1 event)

Kaamatan

May 30, 2025

Today the Kadazan-Dusuns of Malaysia celebrate Kaamatan. The Harvest Festival falls under what is known as Momolianism. There is a dance show called Sumazau, a singing contest called Sugandoi, a bodybuilding contest, and other arts and crafts shows. #mythology #myth #legend #calendar #May 30 #Kaamatan #Maya

May 31, 2025
June 1, 2025(1 event)

Gawai Dayak

June 1, 2025

Today, the Dayak people of Malaysia and Indonesia celebrate Gawai Dayak. Many religious, family and community rites take place over two days. #mythology #myth #legend #June 1 #dayak

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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.