diff --git a/membershipworks/migrations/0015_eventmeetingtime_end_after_start.py b/membershipworks/migrations/0015_eventmeetingtime_end_after_start.py
new file mode 100644
index 0000000..bb1da94
--- /dev/null
+++ b/membershipworks/migrations/0015_eventmeetingtime_end_after_start.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.2 on 2024-02-12 21:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("membershipworks", "0014_remove_eventext_details_timestamp"),
+    ]
+
+    operations = [
+        migrations.AddConstraint(
+            model_name="eventmeetingtime",
+            constraint=models.CheckConstraint(
+                check=models.Q(("end__gt", models.F("start"))), name="end_after_start"
+            ),
+        ),
+    ]
diff --git a/membershipworks/models.py b/membershipworks/models.py
index 5df7c6b..56835d2 100644
--- a/membershipworks/models.py
+++ b/membershipworks/models.py
@@ -565,7 +565,8 @@ class EventMeetingTime(models.Model):
         constraints = [
             models.UniqueConstraint(
                 fields=["event", "start", "end"], name="unique_event_start_end"
-            )
+            ),
+            models.CheckConstraint(check=Q(end__gt=F("start")), name="end_after_start"),
         ]