Maundy Thursday, also known as Holy Thursday, is a significant day in the Christian liturgical calendar, commemorating the events of the evening before Jesus's crucifixion. It is part of Holy Week and marks the institution of the Eucharist, the Last Supper, and Jesus's act of washing His disciples' feet.

Orthodox Maundy Thursday, also known as Great and Holy Thursday, is one of the most important days in the Eastern Orthodox Church's observance of Holy Week. It commemorates the Last Supper, the institution of the Eucharist, and Jesus's washing of the disciples' feet, as well as the betrayal of Jesus by Judas. It serves as a profound moment of reflection on Christ's humility, love, and sacrifice.

Good Friday is a significant day in the Christian calendar, commemorating the crucifixion and death of Jesus Christ. It is observed during Holy Week on the Friday before Easter Sunday and is a solemn day of reflection and prayer for Christians worldwide.

Orthodox Good Friday, also known as Great Friday or Holy Friday, is one of the most solemn days in the Eastern Orthodox Church, commemorating the crucifixion and death of Jesus Christ. It is part of the final days of Holy Week, leading up to Orthodox Easter.

Holy Saturday, often referred to as Easter Saturday or Great Sabbath, is the day between Good Friday (commemorating the crucifixion of Jesus) and Easter Sunday (celebrating His resurrection). It is a day of reflection and anticipation in the Christian tradition, observed with solemnity and often marked by special liturgical practices.

Orthodox Holy Saturday, also known as Great and Holy Saturday, is a pivotal day in the Orthodox Christian calendar. It is the final day of Holy Week, commemorating Christ's burial and His descent into Hades, and it serves as a transition from the solemnity of the Passion to the joy of the resurrection on Pascha (Easter Sunday).

Easter Sunday is the most significant and joyful holiday in Christianity. It commemorates the resurrection of Jesus Christ from the dead, as described in the New Testament, marking the culmination of Holy Week and the 40-day season of Lent.

Orthodox Easter, also known as Pascha, is the most important and joyous celebration in the Eastern Orthodox Church, commemorating the resurrection of Jesus Christ. It is the culmination of Holy Week and the central event of the Orthodox liturgical year.