Here are 9 Bible verses about eclipses from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Revelation 8:12 KJV
And the fourth angel sounded, and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars; so as the third part of them was darkened, and the day shone not for a third part of it, and the night likewise.
Ezekiel 32:7 KJV
And when I shall put thee out, I will cover the heaven, and make the stars thereof dark; I will cover the sun with a cloud, and the moon shall not give her light.
Joel 2:10 KJV
The earth shall quake before them; the heavens shall tremble: the sun and the moon shall be dark, and the stars shall withdraw their shining:
Isaiah 13:10 KJV
For the stars of heaven and the constellations thereof shall not give their light: the sun shall be darkened in his going forth, and the moon shall not cause her light to shine.
Revelation 6:12 KJV
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;
Joel 3:15 KJV
The sun and the moon shall be darkened, and the stars shall withdraw their shining.
Matthew 24:29 KJV
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:
Mark 13:24 KJV
But in those days, after that tribulation, the sun shall be darkened, and the moon shall not give her light,
Joel 2:31 KJV
The sun shall be turned into darkness, and the moon into blood, before the great and the terrible day of the LORD come.