Mark 13:4
"Tell us, When will these things be? and what will be the sign when all these predictions are on the point of being fulfilled?"
Acts 1:6-7
Once when they were with Him, they asked Him, "Master, is this the time at which you are about to restore the kingdom of Israel?"
Matthew 24:3
Afterwards He was on the Mount of Olives and was seated there when the disciples came to Him, apart from the others, and said, "Tell us when this will be; and what will be the sign of your Coming and of the Close of the Age?"
Luke 21:7
"Rabbi, when will this be?" they asked Him, "and what will be the token given when these things are about to take place?"
John 21:21-22
On seeing him, Peter asked Jesus, "And, Master, what about him?"