Yom Kippur (Leviticus ch.23).See also:All Jewish holy days and occasions
Sins that are confessed to a priest and proper penance was observed, such sins are forgiven and not accountable and need not be confessed again.
Here are some sentences.He confessed to the crime.She confessed her sins to the priest.
Any sin that is willingly confessed to him.
Christians repent of their sins and are baptized in the name of the father the son and the holy spirit. then because of this, they receive the gift of the holy spirit.
Roman Catholic AnswerFor the same reason they confessed their sins in the first century, or in this century: to be forgiven for those sins, because Jesus told them to.
Catholic christians who are in a state of grace i.e. they have validly confessed their last mortal sins.
The Catholic formula of Absolution is: God the Father of mercies, through the death and resurrection of His Son, has reconciled the world to Himself and sent the Holy Spirit among us for the forgiveness of sins; through the ministry of the Church may God give you pardon and peace, and I absolve you from your sins in the name of the Father, and of the Son, and of the Holy Spirit. While it is usual for the whole formula to be used the essential part is in italics and can be used in an emergency.
Repent of your sins, being baptised in Jesus' name and receiving the baptism of the Holy Ghost
"...Repent, and Be Baptized every one of you in the name of Jesus Christ for the remission of sins, and YE SHALL RECEIVE THE GIFT OF THE HOLY SPIRIT." (Acts 2:38)
The Apostles' Creed
yomkipur.