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

(321) And warn (O Muhammad صلى الله عليه و سلم) mankind of the Day when the torment will come unto them; then the wrong-doers will say: "Our Lord! Respite us for a little while, we will answer Your Call and follow the Messengers!" (It will be said): "Had you not sworn aforetime that you would not leave (the world for the Hereafter).

(322) On the Day when the earth will be changed to another earth and so will be the heavens, and they (all creatures) will appear before Allah, the One, the Irresistible.

(323) How much would those who disbelieved wish that they had been Muslims [those who have submitted themselves to Allah's Will in Islam i.e. Islamic Monotheism - this will be on the Day of Resurrection when they will see the disbelievers going to Hell and the Muslims going to Paradise].

(324) And (remember) when your Lord said to the angels: "I am going to create a man (Adam) from dried (sounding) clay of altered mud.

(325) "So, when I have fashioned him completely and breathed into him (Adam) the soul which I created for him, then fall (you) down prostrating yourselves unto him."

(326) when they entered unto him, and said: Salam (peace)! [Ibrahim (Abraham)] said: "Indeed! We are afraid of you."

(327) [Ibrahim (Abraham)] said: "Do you give me glad tidings (of a son) when old age has overtaken me? Of what then is your news?"

(328) Then, when the Messengers (the angels) came unto the family of Lut (Lot).

(329) And wherein is beauty for you, when you bring them home in the evening, and as you lead them forth to pasture in the morning.

(330) (They are) dead, not alive; and they know not when they will be raised up.