How long does God's anger last?
God doesn't get angry.
God will not threaten like man, nor be inflamed to anger. Judith 8:15
God's anger lasts for just a moment.
For his anger endureth but a moment. Psalm 30:5
God's anger lasts a long time.
And the Lord's anger was kindled against Israel, and he made them wander in the wilderness for forty years. Numbers 32:13
God's anger doesn't last forever.
I am merciful, saith the Lord, and I will not keep anger for ever. Jeremiah 3:12
God's anger lasts forever.
Ye have kindled a fire in mine anger, which shall burn for ever. Jeremiah 17:4