We (E) descended it in the predestined/destiny night .474
And what made you know/informed you what the predestined/destiny night (is)?
The predestined/destiny night (is) better than one thousand month (lunar months).
The angels descend and the Soul/Spirit in it, by their Lord`s permission/pardon from every matter/affair.
Security/peace it is until the dawn`s ascent/rising .