5th Bowl of Wrath - Darkness

The thrown of the beast darkened.

Rev 16: 10 And the fifth angel poured out his bowl upon the throne of the beast; and his kingdom became darkened; and they gnawed their tongues because of pain, 11 and they blasphemed the God of heaven because of their pains and their sores; and they did not repent of their deeds.

The earth began in darkness and it's going to end in darkness.