Joel 3:2-4

New Catholic Bible

² Even on the male and female slaves
    I will pour out my Spirit in those days.
³ I will show portents
    in the heavens and on the earth,
    blood and fire and columns of smoke.
⁴ The sun will be turned to darkness
    and the moon to blood
before the coming of the day of the Lord,
    that great and terrible day.