The word(s) "when" appears 926 time(s) in 834 verse(s) in Quran in Muhammad Habib Shakir translation.

(671) And when Our clear communications are recited to them, their argument is no other than that they say: Bring our fathers (back) if you are truthful.

(672) And Allah's is the kingdom of the heavens and the earth; and on the day when the hour shall come to pass, on that day shall they perish who say false things.

(673) And when it was said, Surely the promise of Allah is true and as for the hour, there is no doubt about it, you said: We do not know what the hour is; we do not think (that it will come to pass) save a passing thought, and we are not at all sure.

(674) And when men are gathered together they shall be their enemies, and shall be deniers of their worshipping (them).

(675) And when Our clear communications are recited to them, those who disbelieve say with regard to the truth when it comes to them: This is clear magic.

(676) And We have enjoined on man doing of good to his parents; with trouble did his mother bear him and with trouble did she bring him forth; and the bearing of him and the weaning of him was thirty months; until when he attains his maturity and reaches forty years, he says: My Lord! grant me that I may give thanks for Thy favor which Thou hast bestowed on me and on my parents, and that I may do good which pleases Thee and do good to me in respect of my offspring; surely I turn to Thee, and surely I am of those who submit.

(677) And he who says to his parents: Fie on you! do you threaten me that I shall be brought forth when generations have already passed away before me? And they both call for Allah's aid: Woe to you! believe, surely the promise of Allah is true. But he says: This is nothing but stories of the ancients.

(678) And on the day when those who disbelieve shall be brought before the fire: You did away with your good things in your life of the world and you enjoyed them for a while, so today you shall be rewarded with the punishment of abasement because you were unjustly proud in the land and because you transgressed.

(679) And mention the brother of Ad; when he warned his people in the sandy plains,-- and indeed warners came before him and after him-- saying Serve none but Allah; surely I fear for you the punishment of a grievous day.

(680) So when they saw it as a cloud appearing in the sky advancing towards their valleys, they said: This is a cloud which will give us rain. Nay! it is what you sought to hasten on, a blast of wind in which is a painful punishment,