What if 'day for year' of Ezekiel Prophecy coincided with Alexander and four Major Empires as 2300 years?

If you are acquainted with the terms "times" and "half time" and you know what they mean as found in Daniel and Revelation and if your math is based on the proper bible events, you will be well on your way in discovering when the gentile times began and ended which took 2520 years.