Catholic Tribulation Force Anthem

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Belief in the Last Judgment (often linked with the general judgment) is held firmly in Catholicism. Immediately upon death each person undergoes the particular judgment, and depending upon one's behavior on earth, goes to heaven, purgatory, or hell. Those in purgatory will always reach heaven, but those in hell will be there eternally.

The Last Judgment will occur after the resurrection of the dead and "our 'mortal body' will come to life again."[16] The Catholic Church teaches that at the time of the Last Judgment Christ will come in His glory, and all the angels with him, and in his presence the truth of each one's deeds will be laid bare, and each person who has ever lived will be judged with perfect justice. The believers who are judged worthy as well as those ignorant of Christ's teaching who followed the dictates of conscience[17] will go to everlasting bliss, and those who are judged unworthy will go to everlasting condemnation.

A decisive factor in the Last Judgment will be the question, were the corporal works of mercy practiced or not during one's lifetime. They rate as important acts of charity. Therefore, and according to the biblical sources (Mt 25:31–46), the conjunction of the Last Judgment and the works of mercy is frequent in the pictorial tradition of Christian art.[18]

Before the Last Judgment, all will be resurrected. Those who were in purgatory will have already been purged, meaning they would have already been released into heaven, and so like those in heaven and hell will resurrect with their bodies, followed by the Last Judgment.[19]

According to the Catechism of the Catholic Church:

1038 The resurrection of all the dead, "of both the just and the unjust" (Acts 24:15), will precede the Last Judgment. This will be "the hour when all who are in the tombs will hear [the Son of man's] voice and come forth, those who have done good, to the resurrection of life, and those who have done evil, to the resurrection of judgment" (Jn 5:28–29) Then Christ will come "in his glory, and all the angels with him... . Before him will be gathered all the nations, and he will separate them one from another as a shepherd separates the sheep from the goats, and he will place the sheep at his right hand, but the goats at the left... . And they will go away into eternal punishment, but the righteous into eternal life" (Mt 25:31, 32, 46).

1039 In the presence of Christ, who is Truth itself, the truth of each man's relationship with God will be laid bare (Cf. Jn 12:4). The Last Judgment will reveal even to its furthest consequences the good each person has done or failed to do during his earthly life.

1040 The Last Judgment will come when Christ returns in glory. Only the Father knows the day and the hour; only he determines the moment of its coming. Then through his Son Jesus Christ he will pronounce the final word on all history. We shall know the ultimate meaning of the whole work of creation and of the entire economy of salvation and understand the marvelous ways by which his Providence led everything towards its final end. The Last Judgment will reveal that God's justice triumphs over all the injustices committed by his creatures and that God's love is stronger than death. (Cf. Song 8:6)[20]

— Catechism of the Catholic Church
The Eastern Orthodox and Catholic teachings of the Last Judgment differ only on the exact nature of the in-between state of purgatory/Abraham's Bosom. These differences may only be apparent and not actual due to differing theological terminology and evolving tradition.