Good Friday: Christian event of remembrance of Jesus's sacrifice for his people’s sins

According to Christians, the most important events in Christianity are the death and later resurrection of Jesus Christ, the Son of God, whose life and teachings are the foundation of Christianity. According to Christian beliefs, Jesus was crucified on this day (later named this day as Good Friday), and he was rose again three days later - which is marked as Easter. 
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According to the Gospel, Jesus Christ was found guilty of having proclaimed himself to be the King of Jews. (1) Judas Iscariot, one of Jesus' disciples, betrayed him that led to his arrest, cruel torture and crucifixion. (2) Good Friday is a day of silent mourning and remembrance of the sacrifices made by Jesus Christ for his followers. The term Good Friday, however, has not been mentioned anywhere in the Holy Bible.
Some Christians believed that 'good' means holy, while some others thought that it is a modification of 'God Friday.' However, it is by, and large believed that it is an appropriate term since it denotes that Jesus Christ suffered and died for his followers. Within Jew society, Jesus himself propagated, "I am the way, the truth, and the life. No one comes to the Father except through me." (3) Some Jews agreed with his argument and decided to follow his teachings and converted to Christianity, while some Jews did not put faith in him.
Those Jews refused to convert to Christianity, got angry when Jesus proclaimed himself as a king or savior of Jews. According to Christian faith, after the last supper, Jesus was arrested in the Garden of Gethsemane, put on trial and sentenced to death. Jesus was tied and nailed by the wrists and feet to a large wooden cross and left to die. As Christian's Lord Jesus died on the cross, since then, the cross is used as a symbol of the Christian faith.
On the occasion of Good Friday, Christians keep fasts, often a month-long, and pray to their Lord. Church services are organized around noon or midday to 3 PM.(4) On this day, all the decorations from the statues are removed. The priests are dressed in black robes.
Some Churches observe the day by re-enacting the process of the cross in the rituals of Stations of the Cross, which depicts the final hours of Jesus' life. Other Churches may participate in Veneration of the Cross, a short ceremony in which Christians kneel before the cross and affirm their faith.
There is also a superstition attached with this day. (5) In the Philippines, Christians are believed that taking a bath or doing laundry after 3 PM (afternoon) is considered to bring bad luck to the person. As the clock strikes 3, it marks the time of death of Jesus Christ.
1    Matthew 27:37 – "This is Jesus, the King of the Jews."; Mark 15:26 – "The King of the Jews."; Luke 23:38 – "This       is the King of the Jews."; John 19:19–22 – "Jesus of Nazareth, the King of the Jews."
2    Matthew 26:14–16
3    John 14.6
4    Ray, Steve. "When Was Jesus Crucified? How Long on the Cross? Do the Gospels Contradict Each Other?",       Defenders of the Catholic Faith, Retrieved August 10, 2019.