Revelation 8:12

Then the fourth angel blew his trumpet, and one-third of the sun was cursed with a plague, and one-third of the moon, and one-third of the stars, so that one-third of them were darkened, and there was no light for one-third of the day and for one-third of the night.

Revelation 6:12

When He broke the sixth seal, I looked, and there was a great earthquake, and the sun turned black as sackcloth, and the full moon became like blood,

Revelation 8:7-12

The first one blew his trumpet, and there was a shower of hail and fire mixed with blood as it hurled itself upon the earth, and one-third of the earth was burned up, and all the green grass was burned up.

Revelation 9:15

Then the four angels that were kept in readiness for that hour and day and month and year were turned loose to kill one-third of mankind.

Revelation 9:18

One-third of mankind was killed by these three plagues: the fire, smoke, and sulphur that kept pouring out of their mouths.

Revelation 12:4

His tail was dragging after it a third part of the stars of heaven and dashed them down upon the earth. The dragon stood in front of the woman who was about to give birth to a child, in order to devour her child as soon as it was born.

Matthew 24:29

"And immediately after the misery of those days, the sun will turn dark, the moon will not shed its light, the stars will fall from the sky, and the powers of the sky will be shaken.

Matthew 27:45

Now from twelve o'clock till three, darkness covered the whole land.

Mark 13:24

"But in those days, after that misery, the sun will turn dark, the moon will not shed its light,

Mark 15:33

At twelve o'clock darkness covered the whole land and lasted until three in the afternoon.

Luke 21:25

And there will be signs in sun and moon and stars, and on earth despair of nations in bewilderment at the roaring of the sea and its waves,

Luke 23:44-45

It was already about noon, and darkness covered the whole country, and lasted until three o'clock,

Acts 2:20

The sun will turn to darkness, and the moon to blood, before the coming of the great and glorious day of the Lord.

2 Corinthians 4:4

In their case, the god of this world has blinded the eyes of the unbelievers, to keep the glorious light of the good news of Christ, who is the likeness of God, from dawning upon them.

2 Thessalonians 2:9-12

that is, the representative of lawlessness, whose coming is in accordance with the working of Satan, with his plenitude of power and pretended signs and wonders,

Revelation 16:8-9

Then the fourth angel emptied his bowl upon the sun, and permission was given it to scorch mankind with its fiery heat,

Treasury of Scripture Knowledge

Summary

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.

Bible References

And the third part of the sun

Revelation 16:8
Then the fourth angel emptied his bowl upon the sun, and permission was given it to scorch mankind with its fiery heat,
Matthew 24:29
"And immediately after the misery of those days, the sun will turn dark, the moon will not shed its light, the stars will fall from the sky, and the powers of the sky will be shaken.
Matthew 27:45
Now from twelve o'clock till three, darkness covered the whole land.
Mark 13:24
"But in those days, after that misery, the sun will turn dark, the moon will not shed its light,
Mark 15:33
At twelve o'clock darkness covered the whole land and lasted until three in the afternoon.
Luke 21:25
And there will be signs in sun and moon and stars, and on earth despair of nations in bewilderment at the roaring of the sea and its waves,
Luke 23:44
It was already about noon, and darkness covered the whole country, and lasted until three o'clock,
Acts 2:20
The sun will turn to darkness, and the moon to blood, before the coming of the great and glorious day of the Lord.

And the day

2 Corinthians 4:4
In their case, the god of this world has blinded the eyes of the unbelievers, to keep the glorious light of the good news of Christ, who is the likeness of God, from dawning upon them.
2 Thessalonians 2:9
that is, the representative of lawlessness, whose coming is in accordance with the working of Satan, with his plenitude of power and pretended signs and wonders,