Do you know why there will appear to be no light from the sun or moon?
It's not what you say it is. There is no "appear to be". It
WILL BE dark because the sun will be darkened, not out-brightened by a brighter light source.
The sun won't be shining at all.
Joe_2:31 The sun shall be turned into darkness, and the moon into blood, before the great and the terrible day of the LORD come.
Act_2:20 The sun shall be turned into darkness, and the moon into blood, before that great and notable day of the Lord come:
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;
Amos 5:20 Shall not the day of the LORD be darkness, and not light? even very dark, and no brightness in it?
Matthew 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:
Matthew 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.
Zephaniah 1:14
The great day of the LORD is near, it is near, and hasteth greatly, even the voice of the day of the LORD: the mighty man shall cry there bitterly.
Zephaniah 1:15
That day is a day of wrath, a day of trouble and distress, a day of wasteness and desolation, a day of darkness and gloominess, a day of clouds and thick darkness,
Isa 13:9 Behold, the day of the LORD cometh, cruel both with wrath and fierce anger, to lay the land desolate: and he shall destroy the sinners thereof out of it.
Isa 13:10 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.
Joe_2:10 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:
Joe_3:15 The sun and the moon shall be darkened, and the stars shall withdraw their shining.
Amos 5:18 Woe unto you that desire the day of the LORD! to what end is it for you? the day of the LORD is darkness, and not light.
Amos 5:19 As if a man did flee from a lion, and a bear met him; or went into the house, and leaned his hand on the wall, and a serpent bit him.
Amos 5:20 Shall not the day of the LORD be darkness, and not light? even very dark, and no brightness in it?
Amos 8:9 And it shall come to pass in that day, saith the Lord GOD, that I will cause the sun to go down at noon, and I will darken the earth in the clear day:
Matthew 27:45 Now from the sixth hour there was darkness over all the land unto the ninth hour.
Matthew 27:46 And about the ninth hour Jesus cried with a loud voice, saying, Eli, Eli, lama sabachthani? that is to say, My God, my God, why hast thou forsaken me?
It was dark during the day when Christ died, and it shall be dark again when he returns.