Christmas season in Polish
Christmas season in Polish
okres świąt Bożego Narodzenia
Christmastide, Yuletide; the Twelve Days of Christmas, starting on Christmas Day and ending on Epiphany, January 6.
bożonarodzeniowy okres handlowy
(US, informal, retail, and, marketing) The winter season starting around Thanksgiving (typically Black Friday) and ending at or about New Year's Eve.