I have demonstrated that 587 BCE is the correct year, and I have shown why 586 BCE is not the correct year. Why would I continue to pose it as a valid alternative after I have already established that it is not? But I have provided logical premises that show why 587 BCE is the correct year, without earlier premises relying on subsequent premises or the conclusion (which would be circular reasoning). But the entire concept of valid logical premises seems to beyond your capacity.
If you want to build a case for 586 BCE go ahead, and then I'll show you why and where you're wrong. But I expect analysis, not just parroting. Get busy.