Acts 2:20
The sun will be turned into darkness, and the moon into blood, before the great and glorious day of the Lord comes.
World English Bible (Public Domain)
In context
Before · Acts 2:18–19
18Yes, and on my servants and on my handmaidens in those days, I will pour out my Spirit, and they will prophesy. 19I will show wonders in the sky above, and signs on the earth beneath: blood, and fire, and billows of smoke.
20The sun will be turned into darkness, and the moon into blood, before the great and glorious day of the Lord comes.