Quran english al a’raf 187

يسألونك عن الساعة أيان مرساها قل إنما علمها عند ربي لا يجليها لوقتها إلا هو ثقلت في السماوات والأرض لا تأتيكم إلا بغتة يسألونك كأنك حفي عنها قل إنما علمها عند الله ولكن أكثر الناس لا يعلمون

Yas-aloonaka AAani assaAAatiayyana mursaha qul innama AAilmuhaAAinda rabbee la yujalleeha liwaqtiha illahuwa thaqulat fee assamawati wal-ardila ta/teekum illa baghtatan yas-aloonaka kaannaka hafiyyunAAanha qul innama AAilmuha AAinda Allahiwalakinna akthara annasi layaAAlamoon

 
Sahih International
They ask you, [O Muhammad], about the Hour: when is its arrival? Say, “Its knowledge is only with my Lord. None will reveal its time except Him. It lays heavily upon the heavens and the earth. It will not come upon you except unexpectedly.” They ask you as if you are familiar with it. Say, “Its knowledge is only with Allah , but most of the people do not know.”
Muhsin Khan
They ask you about the Hour (Day of Resurrection): “When will be its appointed time?” Say: “The knowledge thereof is with my Lord (Alone). None can reveal its time but He. Heavy is its burden through the heavens and the earth. It shall not come upon you except all of a sudden.” They ask you as if you have a good knowledge of it. Say: “The knowledge thereof is with Allah (Alone) but most of mankind know not.”
Pickthall
They ask thee of the (destined) Hour, when will it come to port. Say: Knowledge thereof is with my Lord only. He alone will manifest it at its proper time. It is heavy in the heavens and the earth. It cometh not to you save unawares. They question thee as if thou couldst be well informed thereof. Say: Knowledge thereof is with Allah only, but most of mankind know not.
Yusuf Ali
They ask thee about the (final) Hour - when will be its appointed time? Say: “The knowledge thereof is with my Lord (alone): None but He can reveal as to when it will occur. Heavy were its burden through the heavens and the earth. Only, all of a sudden will it come to you.” They ask thee as if thou Wert eager in search thereof: Say: “The knowledge thereof is with Allah (alone), but most men know not.”
Shakir
They ask you about the hour, when will be its taking place? Say: The knowledge of it is only with my Lord; none but He shall manifest it at its time; it will be momentous in the heavens and the earth; it will not come on you but of a sudden. They ask you as if you were solicitous about it. Say: Its knowledge is only with Allah, but most people do not know.
Dr. Ghali
They ask you concerning the Hour, when it will have its anchorage. (i.e., when it will take place) Say, “Surely the knowledge of it is only in the Providence of my Lord; none will manifest it at its (proper) time except He. It is heavy in the heavens and the earth. It will not come up to you except suddenly!” They ask you, as if you were thoroughly (acquainted) with it. Say, “Surely the knowledge of it is only in the Providence of Allah, but most of mankind do not know.”