Sun dark, moon blood: significance?
What significance do "the sun turned to darkness" and "moon to blood" hold?

Verse Snapshot

- Joel 2:31: “The sun will be turned to darkness and the moon to blood before the great and awesome day of the LORD.”

- Acts 2:20 repeats the same sign in Peter’s Pentecost sermon.

- Revelation 6:12 records a future moment when “The sun became black like sackcloth of goat hair, the whole moon turned blood red.”


Where We See These Signs in Scripture

• Joel’s prophecy to Judah about the coming “Day of the LORD.”

• Peter’s proclamation that the last days had begun.

• John’s vision of the sixth seal during the Tribulation.


Why God Chose the Sun and Moon as Warning Lights

Genesis 1:14 assigns them to mark “signs and seasons”; any disturbance is globally conspicuous.

• Darkness has long pictured judgment (Exodus 10:21–23; Amos 8:9).

• Blood imagery signals life poured out, linking to both wrath and redemption (Leviticus 17:11).


Historical Foretaste and Future Fulfillment

• Calvary darkness at noon (Luke 23:44–45) previewed a greater, worldwide darkness still ahead.

• Peter saw Pentecost as the start of the “last days,” yet the full cosmic signs await their end-time climax.

• Revelation places the event at the sixth seal, after the church age and just before God’s direct wrath.


What the Coming Darkness Tells Us About Judgment

• Ordinary light will halt to announce the Day of the LORD.

• As in the ninth plague, darkness shatters false security and humbles human pride.

• The sign is literal, cosmic, and impossible to miss.


What the Blood-Red Moon Tells Us About Redemption

• Blood speaks of atonement (Hebrews 9:22); the crimson moon highlights both danger and deliverance.

Joel 2:32 promises, “Everyone who calls on the name of the LORD will be saved.”

• The sky that warns of wrath also points to the Lamb whose blood secures salvation.


Living in Light of These Signs

• Take the prophecy at face value: the Creator will indeed darken the sun and redden the moon.

• Respond with repentance and faith now, before that day arrives.

• Stay alert, anchored in Scripture, and proclaim the gospel while the door of grace is open.

How does Acts 2:20 relate to the prophecy of the Day of the Lord?
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