The prophecy in Daniel 7 about the four beasts (empires) was brought to a close in 37 CE at the end of the 490 year prophecy of Daniel 9 when the children of Israel failed to repent in fulfillment of Jeremiah 18:9-10.
Jerusalem was destroyed in 70 CE to fulfill the prophecy from Jesus in the Olivet Discourse (Luke 21), and the end of the war made the land desolate by 73 CE in fulfillment of Daniel 9:27.
These events of the Roman/Jewish war of 70-73 CE are represented by the four horsemen of the apocalypse recorded in Revelation 6:1-8.
The remaining years of the great tribulation from 73 CE till this time are represented by the fifth seal.
Revelation 7:9-17 gives the account of the large number of Jews and Gentiles from every nationality and tongue that became believers during the time of the great tribulation.
The sixth seal is about the signs in the stars, moon, and sun that happen immediately after the end of the great tribulation (Matthew 24:29; Revelation 6:12-14.
The time of the beast in Revelation 13:1 is the last 3-1/2 years of the time of the seven trumpets.
I have no idea what you are talking about