The word(s) "when" appears 916 time(s) in 828 verse(s) in Quran in Mohsin Khan translation.

(651) But when he came to them with Our Ayat (proofs, evidence, verses, lessons, signs, revelations) behold, they laughed at them.

(652) But when We removed the torment from them, behold, they broke their covenant (that they will believe if We remove the torment from them).

(653) So when they angered Us, We punished them, and drowned them all.

(654) And when the son of Maryam (Mary) is quoted as an example [i.e. 'Îsa (Jesus) is worshipped like their idols], behold, your people cry aloud (laugh out at the example).

(655) And when 'Îsa (Jesus) came with (Our) clear Proofs, he said: "I have come to you with Al-Hikmah (Prophethood), and in order to make clear to you some of the (points) in which you differ. Therefore fear Allah and obey me.

(656) Then wait you for the Day when the sky will bring forth a visible smoke,

(657) How can there be for them an admonition (at the time when the torment has reached them), when a Messenger explaining things clearly has already come to them.

(658) On the Day when We shall seize you with the greatest seizure (punishment). Verily, We will exact retribution.

(659) And indeed We tried before them Fir'aun's (Pharaoh) people, when there came to them a noble Messenger [i.e. Musa (Moses) عليه السلام],

(660) Verily, the Day of Judgement (when Allah will judge between the creatures) is the time appointed for all of them -