Day-reckoning is a term that refers to the moment of truth or a time of reckoning. It is a powerful phrase used to describe a time when one must face the consequences of their actions. There are several synonyms that can be used in place of day-reckoning. These include "judgment day," "doomsday," "apocalypse," "end times," "Armageddon," "final reckoning," and "day of reckoning." Each of these synonyms describes a significant event that marks a turning point in history. No matter which term is used, they all convey a sense of gravity and finality that can be unnerving to contemplate.