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

(531) And on the day when He shall call them and say: What was the answer you gave to the apostles?

(532) And on the day when He shall call them and say: Where are those whom you deemed to be My associates?

(533) Surely Qaroun was of the people of Musa, but he rebelled against them, and We had given him of the treasures, so much so that his hoards of wealth would certainly weigh down a company of men possessed of great strength. when his people said to him: Do not exult, surely Allah does not love the exultant;

(534) And among men is he who says: We believe in Allah; but when he is persecuted in (the way of) Allah he thinks the persecution of men to be as the chastisement of Allah; and if there come assistance from your Lord, they would most certainly say: Surely we were with you. What! is not Allah the best knower of what is in the breasts of mankind.

(535) And (We sent) Ibrahim, when he said to his people: Serve Allah and be careful of (your duty to) Him; this is best for you, if you did but know:

(536) And (We sent) Lut when he said to his people: Most surely you are guilty of an indecency which none of the nations has ever done before you;

(537) And when Our apostles came to Ibrahim with the good news, they said: Surely we are going to destroy the people of this town, for its people are unjust.

(538) And when Our apostles came to Lut he was grieved on account of them, and he felt powerless (to protect) them; and they said: Fear not, nor grieve; surely we will deliver you and your followers, except your wife; she shall be of those who remain behind.

(539) On the day when the chastisement shall cover them from above them, and from beneath their feet; and He shall say: Taste what you did.

(540) And if you ask them, Who created the heavens and the earth and made the sun and the moon subservient, they will certainly say, Allah. whence are they then turned away?