Revelation 6:11-13 Holman Christian Standard Bible (HCSB)
11 So a white robe was given to each of them, and they were told to rest a little while longer until the number would be completed of their fellow slaves and their brothers, who were going to be killed just as they had been.
The Sixth Seal
12 Then I saw Him open[a] the sixth seal. A violent earthquake occurred; the sun turned black like sackcloth made of goat hair; the entire moon[b] became like blood; 13 the stars[c] of heaven fell to the earth as a fig tree drops its unripe figs when shaken by a high wind;