Daniel chapter 9 tells us about the 70 weeks of years which is 490 years(70 x7 weeks of years=490) from which the 483 years had been fulfilled during the first coming of our Lord Jesus Christ. The remaining last seven years will fulfill after the great tribulation.(see commentary on the last seven years of Daniel in search engines although there are several individual opinions about the remaining seven years of prophet Daniel) I am giving my interpretation based on the revelation from the sc.