DEAR JOHN AND DOVES; THIS HAS BOTHERED ME FOR YEARS.  "NO ONE KNOWS THE DAY OR HOUR!"  OF COURSE NOT.  READING VERSE 36 ALONE DOESN'T GIVE ME A CLUE AS TO WHAT THE WRITER WOULD BE TALKING ABOUT!  VERSE 35 SURELY TELLS ME THAT THE "DAY AND HOUR" HEAVEN AND EARTH PASS AWAY, IS SURELY SOMETHING NO ONE REALLY NEEDS TO KNOW!  NO REASON TO KNOW.  I WILL ALREADY BE SAFELY HOME!!   NO ONE KNOWS THE DAY OR HOUR!!!

Matthew 24: 35, 36.

35 Heaven and earth shall pass away, but my words shall not pass away.

36 But of that day and hour knoweth no man, no, not the angels of heaven, but my Father only.

When read together, the subject and verb dynamics change from a universal physical certainty to an absolute informational limitation.

The passage shifts focus from what will happen in the physical world to what is not known by anyone except God.

1. Grammatical Breakdown

• Clause 1 Subject: Heaven and earth (Plural compound)
  • Verb: shall pass away (Plural, future tense.