Mark 13:4
when shall this happen? and what will be the sign that this is going to be accomplished?
Acts 1:6-7
Being therefore in his presence, they asked him, saying, Lord, is this the time when you will restore again the kingdom to Israel?
Matthew 24:3
And when he was upon the mount of Olives, the disciples came to him in private, and said, tell us when shall these things be? and what shall be the sign of thy coming, and of the end of this age?
Luke 21:7
thereupon they said to him, master, when shall this happen? and by what sign shall we know that the event is coming?
John 21:21-22
upon seeing him, Peter said to Jesus, Lord, and what shall become of him?