Hour

15:66 "So let your family leave during the last hours of the night, and you follow just behind them, and do not let any of you look back, and go to where you are commanded."

20:15 "The Hour is coming, I am nearly keeping it hidden, so that every soul will be recompensed with what is strived."

21:50 Those who reverence their Lord, even when unseen, and they are weary for the Hour.

25:12 But they have denied the Hour, and We have prepared for those who deny the Hour a flaming Fire.

19:77 Until they see what they have been promised, either the retribution or the Hour. Then they will know who is in a worst place and weaker in power.

18:36 And he went back into his garden while he had wronged himself. He said: "I do not think that this will ever perish. And I do not think that the Hour is coming. And if I am indeed returned to my Lord, then I will surely find even better things for me."

16:62 And if God were to immediately call mankind to account for their transgression, then He would not leave a single creature standing. But He delays them to a determined time; so when that time comes to any of them, they cannot delay it by one hour or advance it.

12:108 Are they secure against the coming of a cover of retribution from God, or that the Hour would come to them suddenly while they do not perceive?

7:33 And for every nation will be an allotted time; when their time is reached, they will not delay by one hour nor advance.

7:188 They ask you regarding the Hour: "When will be its time?" Say: "Its knowledge is with my Lord, none can reveal its coming except Him. It is heavy through the heavens and the Earth; it will not come to you except suddenly." They ask you, as if you are responsible for it! Say: "Its knowledge is with God, but most people do not know."

3:18 The patient, and the truthful, and the devout, and the givers, and the seekers of forgiveness in the late hours of the night.

34:31 Say: "You have an appointed day, which you cannot delay by one hour, nor advance."

43:62 And he was a lesson for the Hour. So have no doubt about it. And follow Me; this is a straight path.
43:67 Do they only wait for the Hour to come to them suddenly, while they do not perceive?
43:86 And blessed is the One who possesses the sovereignty of the heavens and the Earth, and everything between them; and with Him is the knowledge of the Hour, and to Him you will be returned.

54:2 The Hour draws near, and the moon is breached.
54:47 The Hour is their appointed time, and the Hour is far worse and more painful.79:42 They ask you about the Hour: "When is its appointed time?"