Evangelical Christians claim Jerusalem was destroyed in either 587 or 586 BCE. What is the evidence? Whereas Jehovah's Witnesses believe Jerusalem was destroyed in 607 BC, many evangelical Christians who write on such things believe it was destroyed in either 587 or 586 BCE.
Is there any Biblical evidence to support either of the two dates 587/586?  What other evidence supports either of these dates?
Please give evidence, either Biblical or extra-Biblical, not just statements of belief.  I ask from a Trinitarian point of view.
First of all, there were two sieges of Jerusalem by Nebuchadnezzar II:
597 BCE:

a military campaign carried out by Nebuchadnezzar II, king of Babylon.
In 605 BC, he defeated Pharaoh Necho at the Battle of Carchemish, and subsequently invaded Judah.
According to the Nebuchadnezzar Chronicle, King Jehoiakim of Judah rebelled against Babylonian rule, but Nebuchadnezzar captured the city and installed Zedekiah as ruler.

587 BCE:

Following the siege of 597 BC, the Neo-Babylonian king Nebuchadnezzar installed Zedekiah as vassal king of Judah. However, Zedekiah revolted against Babylon, and entered into an alliance with Pharaoh Hophra, the king of Egypt.
Nebuchadnezzar responded by invading Judah
Nebuchadnezzar began a siege of Jerusalem in December 589 BC. The siege lasted for either 18 or 30 months: there has been some debate as to when Nebuchadnezzar's second siege of Jerusalem took place. This gives us two possible chronologies:

the end of Zedekiah's reign and the fall of Jerusalem as 587 BCE (Albright), or
586 BCE (Thiele) based on the presentation of Zedekiah's reign on an accession basis, which he asserts was occasionally used for the kings of Judah. In that case, the year that Zedekiah came to the throne would be his zeroth year; his first full year would be 597/596 BCE


After the fall of Jerusalem, the Babylonian general Nebuzaraddan was sent to complete its destruction.

Besides the &quot;18 or 30 months&quot; and the &quot;zeroeth year&quot; interpretations, there is no diagreement among historians about the dates. There is no historical evidence for the siege of Jerusalem to have ended in 607 BCE. Multiple external sources, including Ptolemy's cannon, verify 586 BCE. It's also testified as the correct date in the Nabonidus Chronicle, Harran, Hillah Stele, the excavation of Lachish, and synchronization of Egyptian chronology. Tens of thousands of detailed Economic-administrative, business and legal documents have been unearthed outlining daily, monthly and yearly occurrences during the reign of the Babylonian kings, all of which are 20 years out of sync when using 607 BC, but line up perfectly with 586 BC.