diff --git a/zeiterfassung/alleZeitenanzeige.php b/zeiterfassung/alleZeitenanzeige.php
index 5e8af51..acb4b1e 100644
--- a/zeiterfassung/alleZeitenanzeige.php
+++ b/zeiterfassung/alleZeitenanzeige.php
@@ -17,6 +17,13 @@ if ($_SERVER["REQUEST_METHOD"] == "POST") {
 #		echo "Location: createPDF.php?id=$userId&month=$month&year=$year";
         header("Location: createPDF.php?id=$userId&month=$month&year=$year");
         exit();
+    } elseif ($_POST["action"] == "Alle PDFs anzeigen") {
+        $selectedMonth = $_POST["month"];
+        $monthYear = explode("/", $selectedMonth);
+        $month = $monthYear[0];
+        $year = $monthYear[1];
+        header("Location: createAllPDF.php?month=$month&year=$year");
+        exit();
     }
 }
 	
@@ -120,6 +127,9 @@ if ($selectedMonth && $selectedUser) {
     <input type="submit" value="Zeiten anzeigen" class="btn btn-primary btn-lg">
 	<!-- Button zum Anzeigen der PDF -->
     <input type="submit" name="action" value="PDF anzeigen" class="btn btn-primary btn-lg" formtarget="_blank">
+    <?php if (is_admin_user()): ?>
+    <input type="submit" name="action" value="Alle PDFs anzeigen" class="btn btn-secondary btn-lg" formtarget="_blank">
+    <?php endif; ?>
 
 </form>
 	
@@ -150,4 +160,4 @@ if ($selectedMonth && $selectedUser) {
     </div>
 </div>
 
-<?php include 'footer.php'; ?>
\ No newline at end of file
+<?php include 'footer.php'; ?>
diff --git a/zeiterfassung/createAllPDF.php b/zeiterfassung/createAllPDF.php
new file mode 100644
index 0000000..859e000
--- /dev/null
+++ b/zeiterfassung/createAllPDF.php
@@ -0,0 +1,173 @@
+<?php
+session_start();
+require_once('./../admin/tcpdf/tcpdf.php');
+require_once("inc/config.inc.php");
+require_once("inc/functions.inc.php");
+
+if (!isset($_SESSION['userid'])) {
+    die("Kein Benutzer angemeldet.");
+}
+
+$currentUser = check_user();
+if (!is_admin_user()) {
+    die("Keine Berechtigung.");
+}
+
+$selectedMonth = $_GET['month'] ?? date('m');
+$selectedYear = $_GET['year'] ?? date('Y');
+$firmaName = "Praxis Creutzburg";
+
+try {
+    $usersStmt = $pdo->prepare("
+        SELECT DISTINCT u.id, u.vorname, u.nachname
+        FROM users u
+        INNER JOIN timestamps t ON t.employee_id = u.id
+        WHERE u.zeiterfassung = '1'
+          AND MONTH(t.timestamp_datetime) = :month
+          AND YEAR(t.timestamp_datetime) = :year
+        ORDER BY u.nachname ASC, u.vorname ASC
+    ");
+    $usersStmt->bindValue(':month', (int)$selectedMonth, PDO::PARAM_INT);
+    $usersStmt->bindValue(':year', (int)$selectedYear, PDO::PARAM_INT);
+    $usersStmt->execute();
+    $employees = $usersStmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
+    $pdf->SetCreator(PDF_CREATOR);
+    $pdf->SetAuthor($currentUser['vorname'] . ' ' . $currentUser['nachname']);
+    $pdf->SetTitle('Arbeitszeiten aller Mitarbeiter');
+    $pdf->SetSubject('Arbeitszeiten aller Mitarbeiter fuer ' . $selectedMonth . '/' . $selectedYear);
+
+    $stempdate = $selectedYear . "-" . $selectedMonth . "-1";
+    $date = new DateTime($stempdate);
+    $formatter = new IntlDateFormatter(
+        "de-DE",
+        IntlDateFormatter::LONG,
+        IntlDateFormatter::NONE,
+        "Europe/Berlin",
+        IntlDateFormatter::GREGORIAN,
+        "MMMM"
+    );
+    $monthName = $formatter->format($date);
+
+    $sequenceStmt = $pdo->prepare("
+        SELECT
+            DATE(timestamp_datetime) AS datum,
+            GROUP_CONCAT(timestamp_type ORDER BY timestamp_datetime) AS day_sequence
+        FROM timestamps
+        WHERE employee_id = :employee_id
+          AND MONTH(timestamp_datetime) = :selectedMonth
+          AND YEAR(timestamp_datetime) = :selectedYear
+        GROUP BY DATE(timestamp_datetime)
+    ");
+
+    $timesStmt = $pdo->prepare("
+        SELECT
+            DATE(timestamp_datetime) AS day,
+            MIN(CASE WHEN timestamp_type = 'KOMMEN' THEN timestamp_datetime END) AS first_come,
+            MAX(CASE WHEN timestamp_type = 'GEHEN' THEN timestamp_datetime END) AS last_go,
+            SEC_TO_TIME(SUM(
+                CASE
+                    WHEN timestamp_type = 'GEHEN' THEN UNIX_TIMESTAMP(timestamp_datetime)
+                    WHEN timestamp_type = 'KOMMEN' THEN -UNIX_TIMESTAMP(timestamp_datetime)
+                    ELSE 0
+                END
+            )) AS total_time,
+            SEC_TO_TIME(
+                TIME_TO_SEC(
+                    SEC_TO_TIME(
+                        UNIX_TIMESTAMP(MAX(CASE WHEN timestamp_type = 'GEHEN' THEN timestamp_datetime END)) -
+                        UNIX_TIMESTAMP(MIN(CASE WHEN timestamp_type = 'KOMMEN' THEN timestamp_datetime END))
+                    )
+                ) - TIME_TO_SEC(SEC_TO_TIME(SUM(
+                    CASE
+                        WHEN timestamp_type = 'GEHEN' THEN UNIX_TIMESTAMP(timestamp_datetime)
+                        WHEN timestamp_type = 'KOMMEN' THEN -UNIX_TIMESTAMP(timestamp_datetime)
+                        ELSE 0
+                    END
+                )))
+            ) AS difference_between_total_time_and_pause_time
+        FROM timestamps
+        WHERE employee_id = :employee_id
+          AND MONTH(timestamp_datetime) = :month
+          AND YEAR(timestamp_datetime) = :year
+        GROUP BY DATE(timestamp_datetime)
+    ");
+
+    foreach ($employees as $employee) {
+        $employeeId = (int)$employee['id'];
+        $employeeName = trim($employee['vorname'] . ' ' . $employee['nachname']);
+
+        $sequenceStmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+        $sequenceStmt->bindValue(':selectedMonth', (int)$selectedMonth, PDO::PARAM_INT);
+        $sequenceStmt->bindValue(':selectedYear', (int)$selectedYear, PDO::PARAM_INT);
+        $sequenceStmt->execute();
+        $sequenceRows = $sequenceStmt->fetchAll(PDO::FETCH_ASSOC);
+
+        $fehlerhafteTage = [];
+        foreach ($sequenceRows as $row) {
+            if (!isValidSequence((string)$row['day_sequence'])) {
+                $fehlerhafteTage[] = (string)$row['datum'];
+            }
+        }
+
+        $pdf->AddPage();
+        $html = '<h1>Arbeitszeiten - ' . $firmaName . '</h1>';
+        $html .= '<h2>Mitarbeiter: ' . htmlspecialchars($employeeName, ENT_QUOTES, 'UTF-8') . '</h2>';
+        $html .= '<h3>Monat: ' . htmlspecialchars((string)$monthName, ENT_QUOTES, 'UTF-8') . ' ' . htmlspecialchars((string)$selectedYear, ENT_QUOTES, 'UTF-8') . '</h3>';
+
+        if (!empty($fehlerhafteTage)) {
+            $html .= '<p><strong>Fehlzeiten erkannt.</strong> Bitte erst beheben.</p>';
+            $html .= '<p>Betroffene Tage: ' . htmlspecialchars(implode(', ', array_map(static function (string $day): string {
+                return date('d.m.Y', strtotime($day));
+            }, $fehlerhafteTage)), ENT_QUOTES, 'UTF-8') . '</p>';
+            $pdf->writeHTML($html, true, false, true, false, '');
+            continue;
+        }
+
+        $timesStmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+        $timesStmt->bindValue(':month', (int)$selectedMonth, PDO::PARAM_INT);
+        $timesStmt->bindValue(':year', (int)$selectedYear, PDO::PARAM_INT);
+        $timesStmt->execute();
+
+        $timesData = [];
+        while ($row = $timesStmt->fetch(PDO::FETCH_ASSOC)) {
+            $day = date('d', strtotime($row['day']));
+            $timesData[$day] = $row;
+        }
+
+        $html .= '<table border="1" style="font-size:14px;" width="100%">';
+        $html .= '<tr><th style="width: 7%;">Tag</th><th style="width: 12%;">Start</th><th style="width: 12%;">Pause</th><th style="width: 12%;">Ende</th><th>Gesamtzeit</th><th style="width: 20%;font-size:12px;">aufgezeichnet am:</th><th style="width: 23%;">Bemerkung</th></tr>';
+
+        $totalSeconds = 0;
+        for ($day = 1; $day <= 31; $day++) {
+            $daytwo = str_pad((string)$day, 2, '0', STR_PAD_LEFT);
+            if (isset($timesData[$daytwo])) {
+                $row = $timesData[$daytwo];
+                $html .= '<tr><td>' . $day . '</td><td>' . date('H:i:s', strtotime($row['first_come'])) . '</td><td>' . $row['difference_between_total_time_and_pause_time'] . '</td><td>' . date('H:i:s', strtotime($row['last_go'])) . '</td><td>' . $row['total_time'] . '</td><td>' . date('d.m.Y', strtotime($row['day'])) . '</td><td></td></tr>';
+
+                if (!empty($row['total_time'])) {
+                    [$hours, $minutes, $seconds] = explode(':', $row['total_time']);
+                    $totalSeconds += ((int)$hours * 3600) + ((int)$minutes * 60) + (int)$seconds;
+                }
+            } else {
+                $html .= '<tr><td>' . $day . '</td><td></td><td></td><td></td><td></td><td></td><td></td></tr>';
+            }
+        }
+
+        $hours = floor($totalSeconds / 3600);
+        $mins = floor(($totalSeconds / 60) % 60);
+        $secs = floor($totalSeconds % 60);
+        $totalTime = sprintf('%02d:%02d:%02d', $hours, $mins, $secs);
+
+        $html .= '<tr><td></td><td></td><td></td><td><b>Gesamt</b></td><td><b>' . $totalTime . '</b></td><td></td><td></td></tr>';
+        $html .= '</table>';
+
+        $pdf->writeHTML($html, true, false, true, false, '');
+    }
+
+    $pdf->Output('Arbeitszeiten_alle_' . $selectedYear . '_' . str_pad((string)$selectedMonth, 2, '0', STR_PAD_LEFT) . '.pdf', 'I');
+} catch (PDOException $e) {
+    echo "Datenbankfehler: " . $e->getMessage();
+}
+?>