diff --git a/edmond/plugins/journee_mondiale.py b/edmond/plugins/journee_mondiale.py
index 0f2cfe3..8338066 100644
--- a/edmond/plugins/journee_mondiale.py
+++ b/edmond/plugins/journee_mondiale.py
@@ -37,35 +37,40 @@ class JourneeMondialePlugin(Plugin):
         if not self.should_handle_command(event.arguments[0], no_content=True):
             return False
 
-        main_reply = self.get_registered_days()
-        if main_reply:
-            self.bot.say(event.target, main_reply)
+        reg_days = self.get_registered_days()
+        if reg_days:
+            self.bot.say(event.target, ", ".join(reg_days))
 
-        jmcom_reply = ""
+        jmcom_days = []
         if self.config.get("jmcom", False) is True:
-            jmcom_reply = self.get_jmcom_days(event.target)
-            if jmcom_reply:
-                self.bot.say(event.target, jmcom_reply)
-
-        if not (main_reply or jmcom_reply):
+            jmcom_days = self.get_jmcom_days(event.target)
+            if jmcom_days:
+                # Remove days already in reg_days.
+                lower_reg_days = [day.lower() for day in reg_days]
+                jmcom_days_filtered = [
+                    day for day in jmcom_days
+                    if day.lower() not in lower_reg_days
+                ]
+                self.bot.say(event.target, ", ".join(jmcom_days_filtered))
+
+        if not (reg_days or jmcom_days):
             self.bot.say(event.target, self.config["no_entry_reply"])
         return True
 
-    def get_registered_days(self) -> str:
+    def get_registered_days(self) -> list[str]:
         """Get international days for the local list."""
         now = datetime.datetime.now()
         date_tag = f"{now.month:02}-{now.day:02}"
-        today_obs = map(
+        today_items = map(
             lambda line: line.split(maxsplit=1)[1],
             filter(
                 lambda line: line.startswith(date_tag),
                 self.config["dates"],
             ),
         )
-        days = ", ".join(today_obs)
-        return days
+        return list(today_items)
 
-    def get_jmcom_days(self, target) -> str:
+    def get_jmcom_days(self, target) -> list[str]:
         """Get international days from journee-mondiale.com."""
         response = http_get(JourneeMondialePlugin.JMCOM_URL)
         if not response:
@@ -94,5 +99,5 @@ class JourneeMondialePlugin(Plugin):
 
             plus_plugin.add_handler(target, handler)
 
-        days = ", ".join(map(lambda i: i["title"], entries))
-        return days
+        days = map(lambda i: i["title"], entries)
+        return list(days)