The Book of Revelation is not hard to understand If you have not contaminated your mind with those who recommend route 66 a way to get rich on lies.

the first thing needed is to start where our Lord was Killed in Jerusalem at Rev 11.

The key is to understand what is meant by 3 1/2 days and of course is the time Jesus was in the grave and after time is when they stood upon their feet meaning the time of Pentecost. you can take it from here for now If you need help I will help but you and God will work it out.

Also understand what Apostle Paul says Romans The Jew first and then the Greek. realizing he is trying to give understand of Rev 11:1,2

It is very Important to know about Daniel 12 the time of the Gentiles with the 1260 days starting after the scattering of the Christians from Israel when the Gold dome was put up to mark the beginning and it falls on May

12 1949 this will help, the end of the 1260 the rest is history