Koliada, in Slavic mythology

Slavic mythology

Slavic mythology is the mythological aspect of the polytheistic religion that was practised by the Slavs before Christianisation.The religion possesses many common traits with other religions descended from the Proto-Indo-European religion....

, is the name of a goddess of the sky stemming from the Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 kalandai and the Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

 calendae. She brings up a new sun every day; for that reason, she is hunted by Mara

Marzanna

Maržanna, Mara, Maržena, Morana, Moréna, Mora, Marmora or Morena is a Slavic goddess associated with death, winter and nightmares. Some sources equate her with the Latvian goddess Māra, who takes a person's body after their death...

to stop her and cause total darkness. The pagan feast of Koliada took place between the January 6 and January 19, but has since been merged into the celebration of Christmas.