diff --git a/server/emailService.ts b/server/emailService.ts
index 5d20bf5..b311a5e 100644
--- a/server/emailService.ts
+++ b/server/emailService.ts
@@ -66,7 +66,8 @@ export async function sendInscriptionConfirmation(params: {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })}<br/>
       au ${date.dateFin.toLocaleDateString('fr-FR', { 
         weekday: 'long', 
@@ -74,7 +75,8 @@ export async function sendInscriptionConfirmation(params: {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })}
     </div>
   `)).join('');  
@@ -268,7 +270,8 @@ export async function sendRappelEmail(params: {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })}
     </div>
   `).join('');
@@ -409,7 +412,8 @@ export async function sendRappelJ7Email(params: {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })}
     </div>
   `).join('');
@@ -518,10 +522,12 @@ export async function sendRappelJ1Email(params: {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })} - ${date.dateFin.toLocaleDateString('fr-FR', { 
         hour: '2-digit', 
-        minute: '2-digit' 
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })}
     </div>
   `).join('');
diff --git a/server/exportService.ts b/server/exportService.ts
index e8a8ab6..c6889a4 100644
--- a/server/exportService.ts
+++ b/server/exportService.ts
@@ -94,7 +94,8 @@ export function generateExcelExport(sequenceInfo: SequenceInfo): Buffer {
         month: 'long', 
         day: 'numeric',
         hour: '2-digit',
-        minute: '2-digit'
+        minute: '2-digit',
+        timeZone: 'Europe/Paris'
       })
     });
   });
@@ -137,7 +138,8 @@ export function generatePDFExport(sequenceInfo: SequenceInfo): Buffer {
       month: 'long', 
       day: 'numeric',
       hour: '2-digit',
-      minute: '2-digit'
+      minute: '2-digit',
+      timeZone: 'Europe/Paris'
     })}`, 14, yPos);
     yPos += 5;
   });
@@ -474,7 +476,8 @@ export function generateFeuillePresence(feuilleInfo: FeuillePresenceInfo): Buffe
       month: 'long', 
       day: 'numeric',
       hour: '2-digit',
-      minute: '2-digit'
+      minute: '2-digit',
+      timeZone: 'Europe/Paris'
     })}`, 14, yPos);
     doc.setFont('helvetica', 'normal');
     yPos += 10;