diff --git a/src/components/Header/Header.jsx b/src/components/Header/Header.jsx
index 3402bd2..72d7264 100644
--- a/src/components/Header/Header.jsx
+++ b/src/components/Header/Header.jsx
@@ -11,6 +11,8 @@ import readNotifications from "../../utils/notifications/readNotifications.js";
 import getUser from "../../utils/getUser.js";
 import { userCreatedListener } from "../../utils/echo/listeners/userCreatedListener";
 import { userNotificationsListener } from "../../utils/echo/listeners/userNotificationsListener.js";
+import NotificationCard from "../NotificationCard/NotificationCard.jsx";
+
 
 
 
@@ -176,17 +178,7 @@ function Header() {
                 {notifications.length === 0 ? (
                     <p className={styles.notification}>Vous n'avez aucune notification !</p>
                 ) : (
-                    notifications.map((notification, index) => (
-                        <div className={styles.notification} key={index}>
-                            <p>{notification.content}</p>
-                            <button
-                                className={styles.closeBtn}
-                                onClick={() => deleteNotification(notification.id)}
-                            >
-                                <img src="close.svg" alt="supprimer la notification"/>
-                            </button>
-                        </div>
-                    ))
+                    <NotificationCard notifications={notifications} deleteNotification={deleteNotification} />
                 )}
             </div>
         </div>
diff --git a/src/components/Header/Header.module.css b/src/components/Header/Header.module.css
index e684823..952529d 100644
--- a/src/components/Header/Header.module.css
+++ b/src/components/Header/Header.module.css
@@ -150,7 +150,7 @@
 
 .notificationDiv {
     position: absolute;
-    width: 250px;
+    width: 300px;
     top: 105%;
     right: 2rem;
     opacity: 0;
@@ -186,16 +186,6 @@
     border-radius: 50%;
 }
 
-.closeBtn {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border: none;
-    cursor: pointer;
-    background: none;
-    margin: 0;
-    width: fit-content;
-}
 
 .closeBtn:focus {
     outline: none;
diff --git a/src/components/NotificationCard/NotificationCard.jsx b/src/components/NotificationCard/NotificationCard.jsx
new file mode 100644
index 0000000..50774b4
--- /dev/null
+++ b/src/components/NotificationCard/NotificationCard.jsx
@@ -0,0 +1,34 @@
+import formatDate from "../../utils/date/formatDate.js";
+import formatTime from "../../utils/date/formatTime.js";
+
+import styles from "./NotificationCard.module.css"
+
+
+function NotificationCard({notifications, deleteNotification}) {
+    return (
+        notifications.map((notification, index) => (
+            <div className={styles.notificationCard} key={index}>
+                <div className={styles.cardHeader}>
+                    <span className={styles.timeTag}>
+                        Le {formatDate(notification.created_at)} à {formatTime(notification.created_at)}
+                    </span>
+                    <button
+                        className={styles.closeIconButton}
+                        onClick={() => deleteNotification(notification.id)}
+                        title="Supprimer"
+                    >
+                        ✕
+                    </button>
+                </div>
+
+                <div className={styles.cardContent}>
+                    <p className={styles.message}>
+                        {notification.content}
+                    </p>
+                </div>
+            </div>
+        ))
+    );
+}
+
+export default NotificationCard;
\ No newline at end of file
diff --git a/src/components/NotificationCard/NotificationCard.module.css b/src/components/NotificationCard/NotificationCard.module.css
new file mode 100644
index 0000000..db01e1a
--- /dev/null
+++ b/src/components/NotificationCard/NotificationCard.module.css
@@ -0,0 +1,46 @@
+.notificationCard {
+    padding: 1.25rem;
+    display: flex;
+    flex-direction: column;
+    gap: 0.75rem;
+    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
+    transition: background 0.2s ease;
+}
+
+.cardHeader {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.timeTag {
+    font-size: 0.9rem;
+    font-weight: 500;
+    color: #019AFF;
+    letter-spacing: 0.2px;
+}
+
+.message {
+    margin: 0;
+    font-size: 1.1rem;
+    line-height: 1.5;
+    color: #2c3e50;
+    font-weight: 400;
+}
+
+.closeIconButton {
+    background: none;
+    border: none;
+    width: 28px;
+    height: 28px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    font-size: 1.1rem;
+    color: #2c3e50;
+}
+
+.closeIconButton:hover {
+    color: #cc0000;
+}
\ No newline at end of file
diff --git a/src/utils/date/formatTime.js b/src/utils/date/formatTime.js
new file mode 100644
index 0000000..6012db2
--- /dev/null
+++ b/src/utils/date/formatTime.js
@@ -0,0 +1,8 @@
+export default function formatTime(d) {
+    const date = new Date(d);
+
+    const hh = String(date.getUTCHours()).padStart(2, '0');
+    const min = String(date.getUTCMinutes()).padStart(2, '0');
+
+    return `${hh}:${min}`;
+}
\ No newline at end of file
diff --git a/src/utils/echo/listeners/userNotificationsListener.js b/src/utils/echo/listeners/userNotificationsListener.js
index d51bcee..ef538ba 100644
--- a/src/utils/echo/listeners/userNotificationsListener.js
+++ b/src/utils/echo/listeners/userNotificationsListener.js
@@ -1,3 +1,5 @@
+import formatDateTime from '../../date/formatTime.js';
+
 export const userNotificationsListener = (echo, userData, setNotifications, setunreadNotification) => {
     if (!userData?.id) return null;
 
@@ -8,6 +10,7 @@ export const userNotificationsListener = (echo, userData, setNotifications, setu
             const newNotification = {
                 id: Date.now(),
                 content: `L'événement ${event.event.name} a été supprimé ! Vous n'y participez donc plus.`,
+                created_at: formatDateTime(Date.now()),
                 pivot: { unread: 1 }
             };
             setNotifications(prev => [newNotification, ...prev]);
@@ -17,6 +20,7 @@ export const userNotificationsListener = (echo, userData, setNotifications, setu
             const newNotification = {
                 id: Date.now(),
                 content: `La tâche ${event.task.name} de l'événement ${event.event.name} a été supprimé ! Vous n'y participez donc plus.`,
+                created_at: formatDateTime(Date.now()),
                 pivot: { unread: 1 }
             };
             setNotifications(prev => [newNotification, ...prev]);
@@ -26,6 +30,7 @@ export const userNotificationsListener = (echo, userData, setNotifications, setu
             const newNotification = {
                 id: Date.now(),
                 content: `Vous avez été assigné à la tâche ${event.task.name} de l'événement ${event.event.name}`,
+                created_at: formatDateTime(Date.now()),
                 pivot: { unread: 1 }
             };
             setNotifications(prev => [newNotification, ...prev]);
@@ -35,6 +40,7 @@ export const userNotificationsListener = (echo, userData, setNotifications, setu
             const newNotification = {
                 id: Date.now(),
                 content: `Vous avez été désassigné de la tâche ${event.task.name} de l'événement ${event.event.name}`,
+                created_at: formatDateTime(Date.now()),
                 pivot: { unread: 1 }
             };
             setNotifications(prev => [newNotification, ...prev]);