The verse describes the 'day of the Lord' as 'cruel.' But does this mean God Himself is cruel?
The word translated 'cruel' here doesn't imply God lacks compassion. Instead, it emphasizes that His judgment on that day will be unsparing and absolutely without mercy for those who have rejected Him.
Justice Displayed
God's anger isn't like human anger, which can be petty or uncontrolled. His wrath is a righteous response to sin. On this 'day,' His justice will be fully displayed, meaning He will not hold back His judgment against those who have persisted in sin.
The Purpose of Desolation
The purpose of this day is to make the land a desolation and destroy its sinners. This highlights the totality of the judgment – a complete clearing out of sin and its effects from the land.