diff --git a/app/vision/page.tsx b/app/vision/page.tsx
index 3515d53..976008c 100644
--- a/app/vision/page.tsx
+++ b/app/vision/page.tsx
@@ -499,6 +499,16 @@ export default function VisionPage() {
     }
   };
 
+  // Format date-time to local format (YYYY-MM-DDTHH:mm) preserving local time
+  const formatLocalDateTime = (date: Date): string => {
+    const year = date.getFullYear();
+    const month = String(date.getMonth() + 1).padStart(2, '0');
+    const day = String(date.getDate()).padStart(2, '0');
+    const hours = String(date.getHours()).padStart(2, '0');
+    const minutes = String(date.getMinutes()).padStart(2, '0');
+    return `${year}-${month}-${day}T${hours}:${minutes}`;
+  };
+
   // Handle open meeting dialog
   const handleOpenMeetingDialog = (type: "group" | "mission", id: string, name: string) => {
     const defaultDate = selectedDate || new Date();
@@ -512,8 +522,8 @@ export default function VisionPage() {
       entityId: id,
       entityName: name,
       title: "",
-      start: startDate.toISOString().slice(0, 16),
-      end: endDate.toISOString().slice(0, 16),
+      start: formatLocalDateTime(startDate),
+      end: formatLocalDateTime(endDate),
       allDay: false,
       description: "",
       recurrence: "none",
@@ -706,6 +716,21 @@ export default function VisionPage() {
     return date.toLocaleDateString('fr-FR', { weekday: 'long', day: 'numeric', month: 'long' });
   };
 
+  // Format time range for display (start - end)
+  const formatTimeRange = (meeting: ScheduledMeeting): string => {
+    if (meeting.isAllDay) {
+      return "Toute la journée";
+    }
+    if (!meeting.start || !meeting.end) {
+      return meeting.time || "";
+    }
+    const start = new Date(meeting.start);
+    const end = new Date(meeting.end);
+    const startTime = start.toTimeString().slice(0, 5);
+    const endTime = end.toTimeString().slice(0, 5);
+    return `${startTime} - ${endTime}`;
+  };
+
   // Show loading state
   if (status === "loading" || loading) {
     return (
@@ -794,7 +819,10 @@ export default function VisionPage() {
                           {meeting.title || `${meeting.type === "group" ? "Groupe" : "Mission"}: ${meeting.entityName}`}
                         </h3>
                         <p className="text-sm text-gray-500">
-                          {meeting.time} - {formatDate(meeting.date)}
+                          {meeting.type === "group" ? "Groupe" : "Mission"}: {meeting.entityName}
+                        </p>
+                        <p className="text-sm text-gray-500">
+                          {formatTimeRange(meeting)}
                         </p>
                       </div>
                     </div>
@@ -976,12 +1004,17 @@ export default function VisionPage() {
                                 <h4 className="font-medium text-gray-900">
                                   {meeting.title || `${meeting.type === "group" ? "Groupe" : "Mission"}: ${meeting.entityName}`}
                                 </h4>
-                                <p className="text-sm text-gray-500">{meeting.time}</p>
+                                <p className="text-sm text-gray-500">
+                                  {meeting.type === "group" ? "Groupe" : "Mission"}: {meeting.entityName}
+                                </p>
+                                <p className="text-sm text-gray-500">
+                                  {formatTimeRange(meeting)}
+                                </p>
                               </div>
-                              {canJoinMeeting(meeting) && (
+                              {canJoinMeeting(meeting) && meeting.location && (
                                 <Button
                                   size="sm"
-                                  variant="outline"
+                                  className="bg-blue-600 hover:bg-blue-700 text-white"
                                   onClick={() => handleConferenceClick(meeting.type, meeting.entityId, meeting.entityName, meeting.location)}
                                 >
                                   <Video className="h-4 w-4 mr-1" />
@@ -1029,9 +1062,6 @@ export default function VisionPage() {
                           <h3 className="font-medium text-gray-900 truncate">
                             {group.name}
                           </h3>
-                          <p className="text-sm text-gray-500 truncate">
-                            {group.path}
-                          </p>
                         </div>
                       </div>
                       <div className="flex items-center gap-2 ml-2">
@@ -1198,8 +1228,8 @@ export default function VisionPage() {
                           }
                           setMeetingForm({ 
                             ...meetingForm, 
-                            start: newStart.toISOString().slice(0, 16),
-                            end: newEnd.toISOString().slice(0, 16)
+                            start: formatLocalDateTime(newStart),
+                            end: formatLocalDateTime(newEnd)
                           });
                         }
                       }}
@@ -1228,8 +1258,8 @@ export default function VisionPage() {
                           }
                           setMeetingForm({ 
                             ...meetingForm, 
-                            start: newStart.toISOString().slice(0, 16),
-                            end: newEnd.toISOString().slice(0, 16)
+                            start: formatLocalDateTime(newStart),
+                            end: formatLocalDateTime(newEnd)
                           });
                         }
                       }}
@@ -1260,7 +1290,7 @@ export default function VisionPage() {
                               newEnd.setHours(currentEnd.getHours(), currentEnd.getMinutes());
                             }
                           }
-                          setMeetingForm({ ...meetingForm, end: newEnd.toISOString().slice(0, 16) });
+                          setMeetingForm({ ...meetingForm, end: formatLocalDateTime(newEnd) });
                         }
                       }}
                       dateFormat="dd/MM/yyyy"
@@ -1279,7 +1309,7 @@ export default function VisionPage() {
                           const currentEnd = getDateFromString(meetingForm.end) || new Date();
                           const newEnd = new Date(currentEnd);
                           newEnd.setHours(date.getHours(), date.getMinutes());
-                          setMeetingForm({ ...meetingForm, end: newEnd.toISOString().slice(0, 16) });
+                          setMeetingForm({ ...meetingForm, end: formatLocalDateTime(newEnd) });
                         }
                       }}
                       showTimeSelect