Judgment Day

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun In Judeo-Christian and Muslim traditions, the day at the end of the world when God judges the moral worth of individual humans or the whole human race.
• noun A day of reckoning or final judgment.

from The Century Dictionary.

• noun In theology, the last day, or the day when final judgment will be pronounced on the subjects of God's moral government; doomsday.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives