Knoweth Not or Unsealed? Which is it?

Knoweth Not or Unsealed? Which is it?

Jesus clearly states that those living at the time of His return will NOT know its DAY or HOUR. That the return of Jesus to the earth‒ HIS SECOND COMING‒ will be unexpected. In my experience, this point is highly emphasized, while the verse in Daniel I will be sharing seems to have been overlooked.