At the end of the third day the Earth is a hollow sphere covered with lush vegetation. The land mass covers the majority of it's surface. The the dry ground is described as having four major geographic areas.
Antediluvian Geography
Hezekiah Superstar
The sign of the sundial was a precursor to the main event: during the the night 185,000 soldiers of the Assyrian army became dead corpses. The Assyrian king fled to Damascus where he was killed by his own children.
The Life of Isaiah
The information that we have suggests that Isaiah was an old man at the time of his death. He saw Jerusalem dwindle in prosperity and fall from powerful to vulnerable.
September 23rd
Jerusalem was besieged by the Assyrian army and King Hezekiah was sick and nearly died. Then the sun went backwards. The Assyrian army was wiped out and Hezekiah became internationally famous.