jesus answers the time question, briefly. he develops the restore the kingdom "to israel" assumption that they make with a statement.
since Christ has completed his work through israel, carry this information out to those that benefit, to the world, fulfilling my promise to Abraham.
Luke continues to illustrate this task thought the rest of this volume 2 of his Gospel story.
Acts 1:6The Lexham English Bible
So when they had come together, they began asking him, saying, “Lord, is it at this time you are restoring the kingdom to Israel?”