Because of the shift from the Julian to the Gregorian calendar in the 1500s, Christmas ended up being celebrated 11 days earlier than before. When the change reached America in the 1750s, some people continued to observe December 25 as sacred and also marked January 6 as “Old Christmas.” This tradition held on strongly in Appalachia and remained part of Kentucky's holiday heritage as a parallel celebration alongside the newer Christmas date. The Forgotten Holiday Called 'Old Christmas' | 5:57 KET - Kentucky Educational Television | 44K subscribers | 47,374 views | November 26, 2025