Second Christmas Day, also known as Boxing Day, is a widely celebrated holiday in Bulgaria that falls on the 26th of December, the day after Christmas Day. This holiday carries significance in the Bulgarian Orthodox Church and serves as an occasion for people to extend their Christmas celebrations. The historical and cultural importance of this day is immense, making it a cherished holiday among Bulgarians.

Traditionally, the Second Christmas Day in Bulgaria is a day dedicated to visiting friends and relatives. Many families organise get-togethers, parties or quiet dinners to mark the occasion. In some Bulgarian regions, it is common to have a Kolede procession - groups of children visiting homes in the neighborhood, singing carols and offering blessings, in return for sweets or small change. This unique tradition fosters a sense of community and imparts valuable lessons of sharing and kindness to the younger generations.

The versatile cultural expressions during the Second Christmas Day reflect the rich Bulgarian heritage. People participate in traditional games and dances, share festive meals and exchange presents. Time-honored recipes of special Bulgarian dishes are prepared, further adding to the festive spirit. The day is capped off with various cultural and musical events across the country, further fueling the holiday cheer. Though the celebrations are filled with fun, the underlying theme of the Second Christmas Day remains the promotion of love, unity, and goodwill towards all.