Idiom of the day :- Day of reckoning

Usage, examples and definition of the Idiom :-

This is a time when (1) someone will be made to account for his misdeeds; or (2)a time when his will or judgment will be severely tested. (1) ‘Many children think Christmas is a day of reckoning when Santa evaluates their behavior and rewards them accordingly.’ (2) ‘It’s examination time again,’ Aaron sighed. ‘The day of reckoning is approaching !’