diff --git a/events/__init__.py b/events/__init__.py
index 005f15d..522ea55 100644
--- a/events/__init__.py
+++ b/events/__init__.py
@@ -1,5 +1,8 @@
-from .event import Event
+from .notification import Notification
+from .mastodon import Mastodon
+
 
 events = (
-    Event(),
+    Notification(),
+    Mastodon(),
 )
diff --git a/events/event.py b/events/event.py
index bdea709..45f3fdf 100644
--- a/events/event.py
+++ b/events/event.py
@@ -1,31 +1,32 @@
 """
-Script used to...
+Script used to send notifications for review on IRC.
 """
+from dataclasses import dataclass
 import time
 
-import settings
-
-SCHEDULER_DELAY = 60
+EXECUTE_EVERY = 1
+EXECUTE_AT = 2
+EXECUTE_AFTER = 3
 
 
+@dataclass
 class Event:
-    def __init__(self):
-        self.scheduler = None
-        self.callback = None
-        self.event_id = 1
-        self.last_update = time.gmtime()
+    callback : str = ""
+    scheduler_type : int = 1
+    scheduler_delay : int = 60
 
-    def init_scheduler(self, scheduler, callback):
+    def init(self, scheduler, callback_func):
         self.scheduler = scheduler
-        self.callback = callback
-        self.scheduler.execute_every(SCHEDULER_DELAY, self.do_something)
+        self.callback_func = callback_func
+        if self.scheduler_type == EXECUTE_EVERY:
+            self.scheduler.execute_every(self.scheduler_delay, self._run)
+        elif self.scheduler_type == EXECUTE_AT:
+            self.scheduler.execute_at(self.scheduler_delay, self._run)
+        elif self.scheduler_type == EXECUTE_AFTER:
+            self.scheduler.execute_after(self.scheduler_delay, self._run)
 
-    def do_something(self):
-        now = time.localtime()
-        # Gestion du rappel avant la revue hebdomadaire
-        for reminder in settings.CRON_REVIEW_REMINDERS:
-            if now.tm_hour == reminder[0] and now.tm_min == reminder[1]:
-                # On calcule le nombre de minutes avant la revue hebdomadaire
-                minutes = (settings.REVIEW_HOUR[0] - now.tm_hour) * 60
-                minutes += settings.REVIEW_HOUR[1] - now.tm_min
-                self.callback(minutes)
+    def _run(self):
+        self.run(time.localtime())
+
+    def run(self, now):
+        pass
diff --git a/events/mastodon.py b/events/mastodon.py
new file mode 100644
index 0000000..9a8d9a2
--- /dev/null
+++ b/events/mastodon.py
@@ -0,0 +1,22 @@
+"""
+Script used to send message for review on Mastodon.
+"""
+from dataclasses import dataclass
+
+from events import event
+import settings
+
+
+@dataclass
+class Mastodon(event.Event):
+    callback : str = "mastodon"
+
+    def run(self, now):
+        """
+        Gestion du message avant la revue hebdomadaire
+        """
+        if (
+            now.tm_hour == settings.REVIEW_MASTODON[0]
+            and now.tm_min == settings.REVIEW_MASTODON[1]
+        ):
+            self.callback_func()
diff --git a/events/notification.py b/events/notification.py
new file mode 100644
index 0000000..04b8a91
--- /dev/null
+++ b/events/notification.py
@@ -0,0 +1,27 @@
+"""
+Script used to send notifications for review on IRC.
+"""
+from dataclasses import dataclass
+
+from events import event
+import settings
+
+SCHEDULER_DELAY = 60
+
+
+@dataclass
+class Notification(event.Event):
+    callback : str = "notifications"
+    scheduler_type : int = event.EXECUTE_EVERY
+    scheduler_delay : int = SCHEDULER_DELAY
+
+    def run(self, now):
+        """
+        Gestion du rappel avant la revue hebdomadaire
+        """
+        for reminder in settings.REVIEW_REMINDERS:
+            if now.tm_hour == reminder[0] and now.tm_min == reminder[1]:
+                # On renvoie le nombre de minutes avant la revue hebdomadaire
+                minutes = (settings.REVIEW_HOUR[0] - now.tm_hour) * 60
+                minutes += settings.REVIEW_HOUR[1] - now.tm_min
+                self.callback_func(minutes)
diff --git a/hebdobot.py b/hebdobot.py
index aab19a3..f9ee5f9 100644
--- a/hebdobot.py
+++ b/hebdobot.py
@@ -19,7 +19,7 @@ class HebdoBot(IrcBot):
         self.review = Review()
 
         for event in events:
-            event.init_scheduler(self.reactor.scheduler, self.callback)
+            event.init(self.reactor.scheduler, getattr(self, event.callback))
 
         logger.info(
             "--==============================INIT===="
@@ -28,25 +28,25 @@ class HebdoBot(IrcBot):
         logger.info(f"Hebdobot {self.VERSION}")
 
 
-    def callback(self, minutes):
+    def notifications(self, minutes):
         """
-        Envoi des notification sur IRC et les réseaux sociaux.
+        Envoi des notifications sur IRC.
         """
-        if minutes == 15:
-            # Envoi sur IRC
-            self.send(
-                self.channel,
-                f"Plus que {minutes} minutes avant le début de la revue hebdomdaire.",
-            )
-            # Envoi sur Mastodon
-            # TODO : Gérer mastodon
-            # ~ mastodon.send(
-                # ~ "Revue hebdomadaire April à 12h sur notre salon : "
-                # ~ "http://april.org/salon-irc-de-lapril\nCette revue ne dure qu'une "
-                # ~ "quinzaine de minutes et permet d'avoir une idée des actions en cours "
-                # ~ "et à venir.\nVous pouvez aussi juste nous faire un coucou. Et ça met "
-                # ~ "en appétit :)",
-            # ~ )
+        self.send(self.channel, f"Revue hebdomadaire dans {minutes} minutes.")
+
+    def mastodon(self):
+        """
+        Envoi d'une notification sur Mastodon.
+        """
+        # TODO : Gérer mastodon
+        # ~ mastodon.send(
+            # ~ "Revue hebdomadaire April à 12h sur notre salon : "
+            # ~ "http://april.org/salon-irc-de-lapril\nCette revue ne dure qu'une "
+            # ~ "quinzaine de minutes et permet d'avoir une idée des actions en cours "
+            # ~ "et à venir.\nVous pouvez aussi juste nous faire un coucou. Et ça met "
+            # ~ "en appétit :)",
+        # ~ )
+        pass
 
     def on_privmsg(self, connection, event):
         """
@@ -73,6 +73,12 @@ class HebdoBot(IrcBot):
             if hook.process(self, channel, sender, message):
                 break
 
+    def on_join(self, connection, event):
+        """
+        Lorsqu'il se connecte, le bot dit bonjour.
+        """
+        self.send(event.target, "Bonjour tout le monde, je suis là :)")
+
     def send(self, target, message):
         if self.review.is_started and target == self.channel:
             self.review.add_message(self.nickname, message)
diff --git a/settings.py b/settings.py
index 6759e82..e4fb647 100644
--- a/settings.py
+++ b/settings.py
@@ -22,7 +22,7 @@ IRC_DELAY = float(os.environ.get("IRC_DELAY", 0.5)) # Délai entre plusieurs mes
 USER_ALIASES = os.environ.get("USER_ALIASES", os.path.join(BASE_DIR, "users.conf"))
 
 # Review
-REVIEW_HOUR = (16, 30)
+REVIEW_HOUR = (12, 00)
 REVIEW_DIRECTORY = os.environ.get("REVIEW_DIRECTORY", os.path.join(BASE_DIR, "reviews"))
 REVIEW_STATS = os.environ.get("REVIEW_STATS", os.path.join(REVIEW_DIRECTORY, "reviewstats.csv"))
 
@@ -31,9 +31,10 @@ PASTEBIN_URL = "https://paste.chapril.org/"
 # Values : 5min, 10min, 1hour, 1day, 1week, 1month, 1year, never
 PASTEBIN_EXPIRATION = "1week"
 
-# Cron
-CRON_REVIEW_REMINDERS = [(11, 45)]
-CRON_STOP_BOT = [(16, 15)]
+# Scheduler
+REVIEW_REMINDERS = [(11, 30), (11, 45), (11, 55)]
+REVIEW_MASTODON = (11, 45)
+STOP_BOT = (14, 00)
 
 # Mastodon
 MASTODON_SERVER = ""