diff --git a/frontend/src/pages/ReportsPage.tsx b/frontend/src/pages/ReportsPage.tsx
index 0c07628..5206e8a 100644
--- a/frontend/src/pages/ReportsPage.tsx
+++ b/frontend/src/pages/ReportsPage.tsx
@@ -200,6 +200,24 @@ export function ReportsPage() {
     a.download = `${type}_${dateFrom}_${dateTo}.${format}`; a.click()
   }
 
+  const downloadDatev = async () => {
+    if (isManager && !filterUser) { setError('DATEV-Monatsblatt: bitte oben einen einzelnen Mitarbeiter auswählen.'); return }
+    const uid = filterUser || user?.id
+    if (!uid) { setError('Bitte einen Mitarbeiter auswählen.'); return }
+    const d = new Date(dateFrom)
+    const year = d.getFullYear()
+    const month = d.getMonth() + 1
+    const token = localStorage.getItem('access_token')
+    const res = await fetch(
+      `/api/v1/reports/datev-monthly/export?user_id=${uid}&year=${year}&month=${month}`,
+      { headers: { Authorization: `Bearer ${token}` } }
+    )
+    if (!res.ok) { setError('DATEV-Export fehlgeschlagen'); return }
+    const blob = await res.blob()
+    const a = document.createElement('a'); a.href = URL.createObjectURL(blob)
+    a.download = `datev_stundenaufzeichnung_${year}_${String(month).padStart(2, '0')}.pdf`; a.click()
+  }
+
   const setQuick = (from: string, to: string) => { setDateFrom(from); setDateTo(to) }
 
   const hasResult = !!(timeReport || absenceReport || overtimeReport || sickStats || payrollReport)
@@ -317,6 +335,13 @@ export function ReportsPage() {
                   <button onClick={() => download('xlsx')} className='text-xs px-3 py-1.5 bg-green-600 text-white rounded-lg hover:bg-green-700'>Excel</button>
                   <button onClick={() => download('pdf')} className='text-xs px-3 py-1.5 bg-red-600 text-white rounded-lg hover:bg-red-700'>PDF</button>
                 </>)}
+                {type === 'time' && (
+                  <button onClick={downloadDatev}
+                    title='Stundenaufzeichnung im DATEV-Blanko-Layout, ein Blatt pro Mitarbeiter/Monat'
+                    className='text-xs px-3 py-1.5 bg-purple-600 text-white rounded-lg hover:bg-purple-700'>
+                    DATEV-Monatsblatt
+                  </button>
+                )}
               </div>
             </div>