diff --git a/ddcz/migrations/0006_dates_vol2.py b/ddcz/migrations/0006_dates_vol2.py
new file mode 100644
index 0000000..6219733
--- /dev/null
+++ b/ddcz/migrations/0006_dates_vol2.py
@@ -0,0 +1,45 @@
+# Generated by Django 3.1.14 on 2024-12-29 19:13
+
+from django.db import migrations
+from datetime import datetime
+
+import sentry_sdk
+
+
+def migrate_dates(apps, schema_editor):
+    Market = apps.get_model("ddcz", "Market")
+
+    for market in Market.objects.all():
+        if not market.published_varchar:
+            sentry_sdk.capture_message(
+                "Market entry without date",
+                level="error",
+                extras={
+                    "market_id": market.id,
+                    "invalid_date": market.published_varchar,
+                },
+            )
+
+        try:
+            parsed_date = datetime.strptime(market.published_varchar, "%d. %m. %Y")
+        except ValueError:
+            sentry_sdk.capture_message(
+                "Failed to parse date in Market record",
+                level="error",
+                extras={
+                    "market_id": market.id,
+                    "invalid_date": market.published_varchar,
+                },
+            )
+            continue
+
+        market.created = parsed_date
+        market.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("ddcz", "0005_market_dates_20241229_1747"),
+    ]
+
+    operations = [migrations.RunPython(migrate_dates)]
diff --git a/ddcz/models/used/social.py b/ddcz/models/used/social.py
index de35d77..ac86b14 100644
--- a/ddcz/models/used/social.py
+++ b/ddcz/models/used/social.py
@@ -94,6 +94,9 @@ class Market(models.Model):
 
     created = models.DateTimeField(blank=True, null=True, verbose_name="Přidáno")
 
+    def __str__(self):
+        return f"{self.name} ({self.group}) z {self.published}"
+
     @property
     def published(self):
         # Windows workaround as `%-d` is platform-specific