Holy Thursday, also known as Maundy Thursday, commemorates the Last Supper of Jesus Christ with his disciples before his crucifixion. Observed during Holy Week, it is a day of reflection on Jesus’ teachings of love and service, often marked by church services, foot-washing rituals, and the Eucharist.

Good Friday is a Christian observance commemorating the crucifixion of Jesus Christ and his sacrifice for humanity’s redemption. It is a solemn day of prayer, reflection, and fasting, marked by church services, scripture readings, and reenactments of the Passion.

Easter is a major Christian holiday celebrating the resurrection of Jesus Christ from the dead, symbolizing hope, renewal, and victory over sin and death. Observed with joyful church services, festive meals, and cultural traditions like egg hunts, it marks the culmination of Holy Week and the promise of new life.

Trinity Sunday is a Christian feast celebrating the doctrine of the Holy Trinity—God as Father, Son, and Holy Spirit. Observed on the Sunday after Pentecost, it is a day of reflection on the mystery of God’s triune nature and His presence in the world.

Corpus Christi Sunday is a Christian feast celebrating the real presence of Jesus Christ in the Eucharist. Observed with special Masses, processions, and adoration, it is a day of devotion and gratitude for the sacrament of Holy Communion.

The Nativity of St. John the Baptist is a Christian feast celebrating the birth of John the Baptist, the prophet who prepared the way for Jesus Christ. Observed on June 24, it honors his role in calling people to repentance and his significance in salvation history.

The Solemnity of the Sacred Heart of Jesus is a Christian feast honoring Jesus’ deep and boundless love for humanity, symbolized by His heart. Celebrated on the Friday after Corpus Christi, it is observed with special prayers, Masses, and acts of devotion emphasizing Christ’s mercy and compassion.

The Feast of Saints Peter and Paul is a Christian celebration honoring the martyrdom and spiritual legacy of St. Peter, the first pope, and St. Paul, the Apostle to the Gentiles. Observed on June 29, it commemorates their foundational roles in spreading Christianity and strengthening the early Church.

The Feast of the Assumption of Mary honors the belief that the Virgin Mary was taken body and soul into heaven at the end of her earthly life. It is a major holy day in the Catholic Church and is often marked by attending Mass, processions, and prayers. The day reflects themes of hope, purity, and the promise of eternal life.

All Saints Day, celebrated on November 1, is a Christian holiday honoring all known and unknown saints who have led holy lives and now dwell in the presence of God. It is a day to recognize the spiritual legacy and examples of these individuals across time and cultures. The celebration often includes attending church services, prayers, and reflections on living a life of faith and virtue.

All Souls Day is a Christian day of remembrance for all the faithful departed. It is a time to pray for the souls of loved ones who have passed away, especially those in purgatory, according to Catholic tradition. The day is marked by church services, visiting cemeteries, and lighting candles in honor of the dead.

The Feast of Christ the King is a Christian celebration observed on the last Sunday of the liturgical year, just before Advent begins. It honors the sovereignty of Jesus Christ over all creation and emphasizes his role as a just and loving ruler. The day encourages reflection on Christ’s reign in our lives and calls believers to live in accordance with his teachings of peace, justice, and compassion.

St. Andrew’s Feast Day is celebrated in honor of St. Andrew, one of the twelve apostles of Jesus and the patron saint of Scotland, Greece, and several other countries. The day is marked by religious services, cultural traditions, and, in Scotland, festive events that celebrate national heritage. It emphasizes faith, discipleship, and the importance of spreading the message of hope and compassion.

The Feast of St. Francis Xavier is celebrated on December 3 and honors the Spanish Jesuit missionary known for his extensive work spreading Christianity in Asia during the 16th century. He was a co-founder of the Society of Jesus (Jesuits) and is considered the patron saint of missions. The day is marked by special prayers, Masses, and reflections on evangelism, service, and global faith outreach.

The Feast of the Immaculate Conception, celebrated on December 8, honors the Catholic belief that the Virgin Mary was conceived without original sin. It is a holy day of obligation for Catholics, marked by attending Mass and reflecting on Mary’s purity and role in the story of salvation. The day emphasizes grace, divine favor, and the preparation for the birth of Jesus.

The Feast of Our Lady of Guadalupe is celebrated on December 12 and honors the appearance of the Virgin Mary to Saint Juan Diego in 1531 near Mexico City. It is a significant religious and cultural event, especially in Mexico and among Mexican communities worldwide. The day is marked with Masses, processions, traditional music, and vibrant celebrations that express devotion, gratitude, and cultural pride.