Why is the day of the Beheading of John the Baptist a strict fast day?translated

On September 11, the Church prayerfully remembers the Beheading of the Prophet, Forerunner and Baptist of the Lord John. This is one of the most mournful days of the church year. In 2026, it falls on a Friday and is a fast day. Why does the Church call for strict fasting on this day? John the Baptist was the one who prepared people for the coming of Christ, calling them to repentance and a change of life. He was not afraid to speak the truth even to the powers that be. The prophet denounced King Herod Antipas for his lawless life. For this...