(15) And the four angels . . .--Better, And there were loosed the four angels who had been made ready unto (or for, i.e., ready for) the (not "an hour," but the) hour, and day, and month, and year, that they should slay the third part of mankind. The English version reads as though the hour, day, month and year were to be understood as the length of time over which this plague of war should last. This idea has been adopted by many of the historical school of interpreters, and great ingenuity has been exercised to find some period which exactly corresponds with this, and during which disastrous wars prevailed. But the expression ("made ready unto the hour," &c.) is not to be taken to imply that such was the duration of the plague; it implies that the loosing of the angels would take place at a definite period, the year, month, day and hour of which were known; the expression corresponds somewhat with our Lord's words, "Of that day and hour knoweth no man." It reminds us that there is a period--an unknown period, but nevertheless a certain period--at which the latent powers of retribution wake and begin to avenge themselves, at which the restraints which have withheld the long-deserved scourges are removed. Men and nations little think of this. Peace they cry, where there is no peace, for they have been by their sins mining the ground under their feet, or dwelling in that abode of false security which Bunyan might have called the city of Meanwell, and that abode is built on the sands; and when the angels of judgment are loosed, and the restraining influences of public opinion broken, the tempest is abroad, the frail house of formal religion falls, and the time of testing leaves its inmates unsheltered. Happy only are they who are ready for the hour of the Lord's return. The angels are made ready that they should kill the third part of mankind. The way in which this slaughter is to take place is explained in Revelation 9:17-18 : it is a wide and devastating slaughter carrying away a large portion of the human race.

Verse 15. - 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. The alterations in the Revised Version make the meaning much plainer: which had been prepared for the bout, and day, and month, and year, that they should kill, etc. That is to say those "which had" in God's foreknowledge "been prepared" in order to operate at the exact period required - the exact year, month, day, and even hour. Each knew his appointed time. Four is the number used to denote universality in things of this world (see on Revelation 4:6). The number, therefore, seems to imply that the power of the angels is of universal extent. The third part are destroyed; that is, a great part, though not the larger (cf. Revelation 8:7, et seq.).

9:13-21 The sixth angel sounded, and here the power of the Turks seems the subject. Their time is limited. They not only slew in war, but brought a poisonous and ruinous religion. The antichristian generation repented not under these dreadful judgments. From this sixth trumpet learn that God can make one enemy of the church a scourge and a plague to another. The idolatry in the remains of the eastern church and elsewhere, and the sins of professed Christians, render this prophecy and its fulfilment more wonderful. And the attentive reader of Scripture and history, may find his faith and hope strengthened by events, which in other respects fill his heart with anguish and his eyes with tears, while he sees that men who escape these plagues, repent not of their evil works, but go on with idolatries, wickedness, and cruelty, till wrath comes upon them to the utmost.And the four angels were loosed,.... The time being come, fixed by the decrees of God, making use of the Turks for the destruction of the eastern empire, the restraints of divine Providence were taken off from them, and they were suffered to pass the river Euphrates; they were let loose like so many furies, and in a little time overran and destroyed the whole empire, and settled their own, now called the Turkish or Ottoman empire; and which was done about the year 1301.

Which were prepared for an hour and a day, and a month, and a year,

for to slay the third part of men; which may in general denote their readiness, vigilance, and quick dispatch: they lay for a good while hovering over the banks of the river Euphrates, as if they were waiting for an order, or a commission to go over it: they were ready not only at a year's, a month's, a day's, but at an hour's warning, and all of them together; and as soon as ever they had the divine permission, they lost no time; they improved every opportunity, every year, every month, every day, every hour, to settle and enlarge their dominions to the ruin of others; and in a very short time did they accomplish what they desired: though others think this refers to a certain time fixed by God, in which they should be employed in killing men; and the sense is, that these people were prepared in the purposes and decrees of God, or were appointed for such a length of time here signified, by several dates, in which they should destroy a large multitude of men, by way of punishment for their idolatries, murders, sorceries, fornication, and thefts, Revelation 9:20. An hour, which is the twenty fourth of a day or year, in the prophetic style, is fifteen days, and a day is a year, and a month is thirty years, and a year is three hundred sixty five years and a quarter, or ninety one days; in all, three hundred and ninety six years, and a hundred and six days; which is the precise time between A. D. 1057, when the Turkish empire begun, the empire of the Saracens being entirely demolished by Togrul Beg, or Tangrolipix, and A. D. 1453, in which year Constantinople was taken by the Turks, and an end put to the eastern Roman empire, signified by the third part of men; or else this space of time may be reckoned from the date of Ottoman's reign, May 19, 1301, which, to September 1, 1697, is just this term of time, when Prince Eugene obtained a remarkable victory over the Turks, the effect of which was the peace at Carlowitz the next year, since which time the Turks have done but little in Europe: and by this it should seem that their time of killing men here is over, and that their own destruction is hastening on. Mr. Daubuz rejects these computations, since a prophetic year consists of 360 days or years, and not 365, as those suppose; and thinks there is no mystery in these dates, and only signify the angels' unanimous execution of their commission at once.