The Sixth Seal is in no way the Return of Jesus.
It describes the return of Christ from the perspective of the unsaved. It matches the second coming description by Christ as well:
Mat 24:29 Immediately after the tribulation of those days shall
the sun be darkened, and the moon shall not give her light, and the stars shall fall from heaven, and the powers of the heavens shall be shaken:
Mat 24:30 And then shall appear the sign of the Son of man in heaven: and then shall
all the tribes of the earth mourn, and they shall
see the Son of man coming in the clouds of heaven with power and great glory.
Rev 6:12 And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and
the sun became black as sackcloth of hair, and the moon became as blood;
Rev 6:13
And the stars of heaven fell unto the earth, even as a fig tree casteth her untimely figs, when she is shaken of a mighty wind.
Rev 6:14 And
the heaven departed as a scroll when it is rolled together; and every mountain and island were moved out of their places.
Rev 6:15
And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains;
Rev 6:16
And said to the mountains and rocks, Fall on us, and hide us from the face of him that sitteth on the throne, and from the wrath of the Lamb:
Rev 6:17
For the great day of his wrath is come; and who shall be able to stand?
The same events are described regarding the return of Christ.
the sun be darkened, and the moon shall not give her light = the sun became black as sackcloth of hair, and the moon became as blood
And the stars of heaven fell unto the earth = And the stars of heaven fell unto the earth
and the powers of the heavens shall be shaken = the heaven departed as a scroll when it is rolled together
hid themselves in the dens and in the rocks of the mountains = all the tribes of the earth mourn
Luk 21:25 And there shall be
signs in the sun, and in the moon, and in the stars; and upon the earth distress of nations, with perplexity; the sea and the waves roaring;
Luk 21:26
Men's hearts failing them for fear, and for looking after those things which are coming on the earth: for
the powers of heaven shall be shaken.
Luk 21:27 And then shall
they see the Son of man coming in a cloud with power and great glory.
Rev 6:12 And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and
the sun became black as sackcloth of hair, and the moon became as blood;
Rev 6:13
And the stars of heaven fell unto the earth, even as a fig tree casteth her untimely figs, when she is shaken of a mighty wind.
Rev 6:14 And
the heaven departed as a scroll when it is rolled together; and every mountain and island were moved out of their places.
Rev 6:15 And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains;
Rev 6:16 And said to the mountains and rocks, Fall on us, and hide us from the face of him that sitteth on the throne, and
from the wrath of the Lamb:
Rev 6:17
For the great day of his wrath is come; and who shall be able to stand?
The same events are described regarding the return of Christ.
signs in the sun, and in the moon = the sun became black as sackcloth of hair, and the moon became as blood
and in the stars = And the stars of heaven fell unto the earth
the powers of heaven shall be shaken = the heaven departed as a scroll when it is rolled together
and upon the earth distress of nations = all the tribes of the earth mourn
Men's hearts failing them for fear = all the tribes of the earth mourn
For the great day of his wrath is come = And then shall they see the Son of man coming
