Christmas Day, known as 'Božič' in Slovenia, is one of the most important and widely celebrated national holidays in the country. Observance of the holiday has deep roots in Slovenia's Christian traditions, with multiple generations of families coming together to celebrate. The holiday falls on the 25th of December each year, marking the birth of Jesus Christ, as per Christian belief.

Traditional Slovenian Christmas celebrations are marked by an array of customs and rituals. On Christmas Eve (Christmas Day's Eve), Slovenians traditionally adorn their homes with nativity scenes, spruce branches, and colorful lights. Another tradition is the cutting of the Yule log, also known as 'badnjak', which is kept in the home until the Epiphany. A grand Christmas feast is held on the holiday with delicacies such as potica (rolled pastry with various fillings), baked ham, honey cookies and other regional dishes.

The holiday is not just about celebrations and food, it's also about goodwill and caring for one another. Many Slovenians attend the Midnight Mass to reflect and celebrate the spiritual aspects of the holiday. Additionally, charity and community work are emphasized during this period, with people helping those less fortunate and spreading the spirit of Christmas. To sum up, Christmas Day in Slovenia is a joyful blending of family gatherings, festive foods, religious devotion, and community spirit.