those who have received knowledge and have faith will say by the decree of god you have remained for the exact period which was mentioned in the book of god about the day of resurrection. this is the day of resurrection but you did not know.
وقال الذين أوتوا العلم والإيمان لقد لبثتم في كتاب الله إلى يوم البعث فهذا يوم البعث ولكنكم كنتم لا تعلمون