7:34For every nation is an appointed time. When their time has come, they cannot delay it by one hour, nor can they advance it.

7:187They ask you about the Hour, “When will it come?” Say, “Knowledge of it rests with my Lord. None can reveal its coming except He. It weighs heavily on the heavens and the earth. It will not come upon you except suddenly.” They ask you as if you are responsible for it. Say, “Knowledge of it rests with God,” but most people do not know.