adding timezone

index.php

@@ -49,6 +49,27 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     file_put_contents('post_debug.log', date('Y-m-d H:i:s') . " - POST: " . json_encode($_POST) . "\n", FILE_APPEND);
 }
 require_once 'db/config.php';
+
+# Timezone setup
+try {
+    $stmt_tz = db()->prepare("SELECT `value` FROM settings WHERE `key` = 'time_zone'");
+    $stmt_tz->execute();
+    $tz_setting = $stmt_tz->fetchColumn();
+    $timezone = $tz_setting ?: 'Asia/Muscat'; // Default to Muscat
+    date_default_timezone_set($timezone);
+    # Sync DB
+    $now = new DateTime();
+    $mins = $now->getOffset() / 60;
+    $sgn = ($mins < 0 ? -1 : 1);
+    $mins = abs($mins);
+    $hrs = floor($mins / 60);
+    $mins -= $hrs * 60;
+    $offset = sprintf('%+d:%02d', $hrs * $sgn, $mins);
+    db()->exec("SET time_zone = '$offset'");
+} catch (Exception $e) {
+    date_default_timezone_set('Asia/Muscat');
+}
+
 require_once 'includes/DatabaseInstaller.php';
 
 // Auto-install database if not installed
@@ -9031,6 +9052,19 @@ $projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? 'Accounting System';
                         <option value="1" <?= ($data['settings']['allow_zero_stock_sell'] ?? '1') === '1' ? 'selected' : '' ?> data-en="Enabled" data-ar="مفعل">Enabled</option>
                     </select>
                 </div>
+                <div class="col-md-4 mt-3">
+                    <label class="form-label" data-en="Timezone" data-ar="المنطقة الزمنية">Timezone</label>
+                    <select name="settings[time_zone]" class="form-select">
+                        <?php
+                        $current_tz = $data['settings']['time_zone'] ?? 'Asia/Muscat';
+                        $timezones = DateTimeZone::listIdentifiers(DateTimeZone::ALL);
+                        foreach ($timezones as $tz) {
+                            $selected = ($tz === $current_tz) ? 'selected' : '';
+                            echo "<option value='$tz' $selected>$tz</option>";
+                        }
+                        ?>
+                    </select>
+                </div>
                 <div class="col-md-4 mt-3">
                     <label class="form-label" data-en="Company Logo" data-ar="شعار الشركة">Company Logo</label>
                     <input type="file" name="company_logo" class="form-control" accept="image/*">

repair_timezone.py

@@ -0,0 +1,10 @@
+import os
+
+file_path = 'index.php'
+
+with open(file_path, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+# Fix the syntax error
+search_bad = 'echo "<option value=\"$tz\" $selected>$tz</option>";'
+replace_good = 'echo "<option value=\\\