What definite period is mentioned under this trumpet?

Answer

"And 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." Verse 15.
NOTE-An hour in prophetic time is equal to fifteen days; a day stands for a year, a month for
thirty years, a year for 360 years. Added together, these amount to 391 years and fifteen days, the time
allotted for the Ottoman supremacy. Commencing July 27, 1449, the date of the close of the fifth trumpet,
this period would end August 11, 1840. In exact fulfillment of the words of Inspiration, this date marks the
fall of the Ottoman Empire as an independent power. Wasted beyond hope of recovery in a war with
Mohammed Ali, pasha of Egypt, the sultan of Turkey submitted to the dictates of the four great powers of
Europe-England, Russia, Austria, and Prussia-and, through his minister Rifat Bey, on that very day,
August 11, 1840, placed in the hands of Mohammed Ali the decision, or ultimatum, drawn up by these
powers.
 


Why was further instruction concerning this vision necessary ?
What was He to take away in the midst of this week?
What relation does the earthly sanctuary sustain to the heavenly?
Were the Ten Commandments a distinct and complete law by themselves?
How had Moses spoken of another and greater dispersion?
By what are we to try them?
What is written on these gates?

Questions & Answers are from the book Bible Readings for the Home Circle