When the sixth trumpet blew (Rev 9), how long did the four angels prepare to kill 1/3 of the human population?

TRIV0 When the sixth trumpet blew (Rev 9), how long did the four angels prepare to kill 1/3 of the human population?

Woe is me! for I am undone; because I am a man of unclean lips. Isaiah 6:5

The four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men. Revelation 9:15

Send comments to Steve Wells
at swwells(at)gmail.com