Matthew 24:29
"But immediately after those times of distress the sun will be darkened, the moon will not shed her light, the stars will fall from the firmament, and the forces which control the heavens will be disordered and disturbed.
Mark 13:24
"At that time, however, after that distress, the sun will be darkened and the moon will not shed her light;
Revelation 6:12-13
When the Lamb broke the sixth seal I looked, and there was a great earthquake, and the sun became as dark as sackcloth, and the whole disc of the moon became like blood.
Revelation 8:12
Then the fourth angel blew his trumpet; and a curse fell upon a third part of the sun, a third part of the moon, and a third part of the stars, so that a third part of them were darkened and for a third of the day, and also of the night, there was no light.