Catholic Commentary
The Threat and Jehoshaphat's Response of Fasting and Prayer
1After this, the children of Moab, the children of Ammon, and with them some of the Ammonites, came against Jehoshaphat to battle.2Then some came who told Jehoshaphat, saying, “A great multitude is coming against you from beyond the sea from Syria. Behold, they are in Hazazon Tamar” (that is, En Gedi).3Jehoshaphat was alarmed, and set himself to seek to Yahweh. He proclaimed a fast throughout all Judah.4Judah gathered themselves together to seek help from Yahweh. They came out of all the cities of Judah to seek Yahweh.
When the walls close in, the king turns his face toward God first—not because prayer is a last resort, but because it is the only ground of hope.
When a vast coalition of enemies marches against Judah, King Jehoshaphat does not reach first for military strategy — he reaches for God. Confronted with overwhelming threat, he proclaims a national fast and leads the entire people in communal prayer. These four verses establish the pattern of the whole episode: human vulnerability acknowledged, divine aid sought, and a people gathered in corporate supplication.
Verse 1 — The Coalition of Enemies The chapter opens with a dense military threat. "After this" links the crisis directly to the preceding chapters, where Jehoshaphat had just been rebuked by the prophet Jehu for his alliance with wicked King Ahab (2 Chr 19:2) and had subsequently devoted himself to reforming the judiciary and religious life of Judah (2 Chr 19:4–11). The irony is pointed: Jehoshaphat has just finished setting Judah's house in order when the storm arrives. The coalition — Moab, Ammon, and "some of the Ammonites" (the Hebrew is disputed; some manuscripts read "Meunim," a separate people from the region of Seir/Edom) — represents Israel's oldest and most intimate adversaries. Moab and Ammon were, by ancient reckoning, kinsmen of Israel through Lot (Gen 19:36–38), which makes their hostility a wound of fratricidal betrayal.
Verse 2 — The Geography of Fear The intelligence report is terrifying not only in scale ("a great multitude") but in proximity. Hazazon Tamar — identified here as En Gedi — sits on the western shore of the Dead Sea, less than forty miles from Jerusalem. The phrase "from beyond the sea, from Syria" (or Edom in some textual traditions; the Hebrew 'Aram/Edom confusion is well-documented) indicates that these forces have already completed a substantial march and are staging at the desert oases. The enemy is not on the horizon; the enemy is at the door. This compression of geography is not incidental: the sacred narrator wants the reader to feel the walls closing in so that Jehoshaphat's response in the next verse is all the more remarkable.
Verse 3 — The King's Interior Movement The Hebrew word translated "alarmed" (wayyîrā') is the same root used throughout the Old Testament for the fear of the Lord. The text does not condemn Jehoshaphat's fear — it shows it as the beginning of wisdom (Prov 9:10). Crucially, the verse then pivots on the word "set himself" (wayyittēn pānāyw, literally "he gave his face"): Jehoshaphat turns his whole person toward seeking Yahweh. This is not a panicked cry but a deliberate, willed orientation of the self toward God. The fast he proclaims is not merely an ascetic exercise; in the Old Testament, fasting is consistently a somatic expression of spiritual urgency — the body enacting what the soul already knows: I have nothing; I need You. Jehoshaphat does not fast alone. He extends the call to "all Judah," making private contrition into public liturgy.
Verse 4 — The Gathering of a People The repetition is theologically deliberate: in two consecutive verses, the root bāqaš ("to seek") appears three times. "To seek Yahweh," "to seek help from Yahweh," "to seek Yahweh" — the drumbeat insistence drives home the passage's singular point. The people stream in from "all the cities of Judah." This is not a royal court ceremony; it is a popular pilgrimage to Jerusalem, the place where God caused His name to dwell. The geography of gathering — from the periphery to the center, from the city gates to the temple — enacts in space what the people are doing in their souls: moving from scattered anxiety toward unified petition. The contrast with Israel's habitual infidelity elsewhere in Chronicles is stark and instructive. Here, the covenant people behave as a covenant people.
Catholic tradition reads Jehoshaphat's response as a paradigmatic instance of what the Catechism of the Catholic Church calls the "battle of prayer" — the deliberate, persevering choice to seek God rather than merely human remedies when faced with crisis (CCC 2725–2728). The king's act of turning his face toward God exemplifies what the Catechism names "filial trust," the childlike confidence that God hears and that no threat exceeds His power (CCC 2734).
The communal fast proclaimed here resonates deeply with Catholic sacramental and penitential discipline. The Church has, from her earliest centuries, understood fasting not as an end in itself but as a preparation of the heart for prayer and a bodily confession of dependence on God. Pope Benedict XVI, in his 2009 Lenten Message, wrote that "fasting seems to have lost something of its spiritual meaning, and has taken on, in a culture characterized by the search for material well-being, a therapeutic value for the care of one's body." The example of Jehoshaphat recovers fasting's original weight: it is an act of trust, a stripping away of ordinary supports so that God alone stands in their place.
St. John Chrysostom, commenting on Old Testament models of prayer, praised exactly this pattern — communal fasting joined to communal petition — as the most powerful form of intercession available to the Church. St. Thomas Aquinas (Summa Theologiae II-II, q. 147) similarly teaches that fasting disposes the soul for contemplation and supplication by quieting disordered passions and lifting the mind toward God. The gathering of Judah from all its cities also anticipates the ecclesial dimension of Christian prayer: the People of God are never more fully themselves than when gathered together in dependence on their Lord.
Contemporary Catholics often face moments structurally identical to 2 Chronicles 20:1–4 — not military invasion, but diagnoses that cannot be argued with, financial crises that dwarf any savings account, relational ruptures that no self-help strategy can mend. Jehoshaphat's response offers a precise, countercultural prescription: before strategy, prayer; before action, fasting; before isolation, community.
Practically, this passage invites Catholics to recover two neglected habits. First, the use of fasting as a spiritual weapon, not merely a Lenten obligation or a dietary preference. When a serious crisis arrives — a loved one's illness, a crisis of faith, a grave moral decision — the deliberate choice to fast sharpens prayer and signals to God and to oneself that what is being asked is genuinely urgent. Second, the value of gathering others in prayer. Jehoshaphat does not pray alone; he calls the entire community to seek God together. Catholics might ask: when facing a serious trial, have I asked my parish, my prayer group, my family to fast and pray with me? The power of communal supplication, which Jehoshaphat grasped intuitively, is one of the Church's most underutilized resources.