diff --git a/scripts/download_lecturas.py b/scripts/download_lecturas.py
new file mode 100644
index 0000000..298ef13
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+++ b/scripts/download_lecturas.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+"""
+download_lecturas.py — Descarga lecturas bíblicas litúrgicas (texto católico oficial)
+desde evangelizo.org en es/en/fr/it/pt, para una fecha litúrgica dada.
+
+Fuente: feed.evangelizo.org/v2/reader.php (lecturas del día, leccionario católico).
+Códigos de idioma evangelizo: SP=es, AM=en, FR=fr, IT=it, PT=pt.
+
+Uso:  python3 download_lecturas.py 2026-06-21 [--books Jeremías,Romanos]
+Salida: JSON a stdout con {libro: {lang: {title, html}}}.
+"""
+import sys, re, html, json, urllib.request
+
+LANGS = {"SP": "es", "AM": "en", "FR": "fr", "IT": "it", "PT": "pt"}
+# nombre del libro por idioma (para casar el bloque correcto)
+BOOK_ALIASES = {
+    "Jeremías": ["Jeremías", "Jeremiah", "Jérémie", "Geremia", "Jeremias"],
+    "Romanos":  ["Romanos", "Romans", "Romains", "Romani"],
+    "Mateo":    ["Mateo", "Matthew", "Matthieu", "Matteo", "Mateus"],
+    "Marcos":   ["Marcos", "Mark", "Marc", "Marco", "Marcos"],
+    "Lucas":    ["Lucas", "Luke", "Luc", "Luca", "Lucas"],
+    "Juan":     ["Juan", "John", "Jean", "Giovanni", "João"],
+}
+
+REF_RE = re.compile(r"(\d{1,3}\s*,[\d.\-\s]+)\.?$")
+
+
+def fetch(date, lang_code):
+    url = f"https://feed.evangelizo.org/v2/reader.php?date={date}&lang={lang_code}&type=all"
+    req = urllib.request.Request(url, headers={"User-Agent": "fea-lecturas/1.0"})
+    with urllib.request.urlopen(req, timeout=30) as r:
+        raw = r.read().decode("utf-8", "replace")
+    raw = re.sub(r"<br\s*/?>", "\n", raw)
+    raw = re.sub(r"<[^>]+>", "", raw)
+    txt = html.unescape(raw)
+    return [l.strip() for l in txt.split("\n") if l.strip()]
+
+
+def is_header(line):
+    return len(line) < 110 and bool(REF_RE.search(line))
+
+
+def parse_blocks(lines):
+    """Devuelve [(header, [parrafos])] saltando la 1ª línea (título del día)."""
+    blocks = []
+    cur_h, cur_t = None, []
+    for ln in lines[1:]:
+        if is_header(ln):
+            if cur_h:
+                blocks.append((cur_h, cur_t))
+            cur_h, cur_t = ln, []
+        else:
+            if cur_h:
+                cur_t.append(ln)
+    if cur_h:
+        blocks.append((cur_h, cur_t))
+    return blocks
+
+
+def short_title(header):
+    """'Carta de San Pablo a los Romanos 5,12-15.' -> 'ROMANOS 5,12-15'."""
+    m = re.search(r"([A-Za-zÀ-ÿ]+)\s+(\d{1,3}\s*,[\d.\-\s]+)\.?$", header)
+    if not m:
+        return header.rstrip(".")
+    return m.group(1).upper() + " " + re.sub(r"\s+", "", m.group(2)).rstrip(".")
+
+
+def main():
+    date = sys.argv[1]
+    books = ["Jeremías", "Romanos"]
+    if "--books" in sys.argv:
+        books = sys.argv[sys.argv.index("--books") + 1].split(",")
+
+    result = {b: {} for b in books}
+    for code, wl in LANGS.items():
+        blocks = parse_blocks(fetch(date, code))
+        for b in books:
+            aliases = BOOK_ALIASES.get(b, [b])
+            for header, paras in blocks:
+                if any(a.lower() in header.lower() for a in aliases):
+                    htmlc = "".join(f"<p>{p}</p>\n" for p in paras)
+                    result[b][wl] = {"title": short_title(header), "html": htmlc, "header": header}
+                    break
+    json.dump(result, sys.stdout, ensure_ascii=False, indent=2)
+
+
+if __name__ == "__main__":
+    main()