urav, you say: Time will always exist because' forever' includes time.
"TIME WILL BE NO LONGER" (KJV) REVELATION 10:1-11 And another angel came down from heaven clothed with a cloud with a rainbow upon his head, his face was as the sun and hIs feet as pillars of fire. He had a little book open in his hand and stood with one foot in the sea and one on the earth and swore by God that there be TIME NO LONGER.
....'be time no longer' is followed in verse 7 by: but....when...begin further action
The Greek word khro'nos in verse 6 means time, but what kind of time?
Please note in the Greek khro'nos [time] is used without a definite article.
So it not talking about time in general, but 'a time' or 'a period of time'.
In other words, no more time delay or delay of time before something else.
This Greek word khro'nos is also used by the apostle Paul at Heb 10v37 when Paul was referring to Habakkuk 2vs3,4 as 'tarry' will not tarry or delay or no longer amount of time needed on God's part to delay taking action.
Note Habbakkuk mentions the 'vision' is for the appointed time .....it [time] will not tarry...
Rev 10v7 mentions the days [days are time] ...the mystery or secret of God will be finished. So what is finished is not the end of time but the end of God's mystery or secret to now be fulfilled.
If time was not going to exist, then how could the governments or kingdoms of the earth become the kingdoms of Christ who will reign forever?
-Rev 11v15
Revelation is written in highly-vivid word pictures or visions and not meant to be a literal end of time as can be discerned by surrounding verses and chapters.
Whether you believe it or not, isn't the verse at Ecc 1v4 B that the earth remains or abides forever comforting?
Eternity is in our hearts.
For each day that we can think of we can always think of the next.
If healthy can't we always look forward to that next coming day?