Matthew 24:36, “But of that day and hour knoweth no man, no, not the angels of heaven, but my Father only.”
“Knoweth” is the present tense form of know. 2,000 years ago, they couldn’t know.
Acts 1:6-7, “When they therefore were come together, they asked of him, saying, Lord, wilt thou at this time restore again the kingdom to Israel? And he said unto them, It is not for you to know the times or the seasons, which the Father hath put in his own power.”