Joulu is the Finnish word for Christmas, celebrated on December 25th. It is a time for family gatherings, festive meals, and various traditions. Many people in Finland decorate their homes with Christmas trees and lights, and some attend church services to mark the occasion. In Finland, the celebration often begins on Christmas Eve, when families come together for a special dinner. Traditional foods include ham, potato casserole, and gingerbread cookies. Another popular custom is the giving of gifts, which typically occurs on Christmas Eve, making it a joyful time for both children and adults.