diff --git a/plugin.conf b/plugin.conf
index 9186864..5deb477 100644
--- a/plugin.conf
+++ b/plugin.conf
@@ -2,7 +2,7 @@ name=global-autoresponder
 id=global-autoresponder
 type=user
 author=HITME.PL
-version=1.4.11
+version=1.4.12
 active=no
 installed=no
 user_run_as=root
diff --git a/tests/rule_validator_test.php b/tests/rule_validator_test.php
index 0d2e70a..aa77073 100644
--- a/tests/rule_validator_test.php
+++ b/tests/rule_validator_test.php
@@ -4,17 +4,30 @@ declare(strict_types=1);
 require_once PLUGIN_ROOT . '/exec/lib/Settings.php';
 require_once PLUGIN_ROOT . '/exec/lib/RuleValidator.php';
 
+/** @return array{0:string,1:string} */
+function future_exact_schedule(Settings $settings, string $startTime = '09:37', string $endTime = '17:12'): array
+{
+    $tz = new DateTimeZone($settings->timezone());
+    [$startHour, $startMinute] = array_map('intval', explode(':', $startTime));
+    [$endHour, $endMinute] = array_map('intval', explode(':', $endTime));
+    $start = (new DateTimeImmutable('tomorrow', $tz))->setTime($startHour, $startMinute);
+    $end = (new DateTimeImmutable('+15 days', $tz))->setTime($endHour, $endMinute);
+
+    return [$start->format('Y-m-d\TH:i'), $end->format('Y-m-d\TH:i')];
+}
+
 test('rule validator normalizes exact hour schedule', function (): void {
     $settingsPath = TEST_TMP . '/validator.conf';
     test_write($settingsPath, "GLOBAL_AUTORESPONDER_TIMEZONE=Europe/Warsaw\n");
     $settings = Settings::load($settingsPath);
+    [$startValue, $endValue] = future_exact_schedule($settings);
     $rule = RuleValidator::validate([
         'name' => 'Urlop czerwcowy',
         'subject_prefix' => 'Urlop',
         'reply_frequency' => '120',
         'body' => "Dzień dobry\r\nWracam jutro",
-        'start_value' => '2026-06-10T09:37',
-        'end_value' => '2026-06-24T17:12',
+        'start_value' => $startValue,
+        'end_value' => $endValue,
         'enabled' => '1',
     ], $settings);
 
@@ -23,35 +36,37 @@ test('rule validator normalizes exact hour schedule', function (): void {
     assert_same(120, $rule['repeat_minutes']);
     assert_same("Dzień dobry\nWracam jutro", $rule['body']);
     assert_same('exact_hour', $rule['schedule_mode']);
-    assert_same('2026-06-10T09:37', $rule['start_value']);
+    assert_same($startValue, $rule['start_value']);
     assert_true($rule['start_ts'] < $rule['end_ts']);
 });
 
 test('rule validator accepts exact hour schedule', function (): void {
     $settings = Settings::load(TEST_TMP . '/validator-da.conf');
+    [$startValue, $endValue] = future_exact_schedule($settings, '00:00', '23:59');
     $rule = RuleValidator::validate([
         'subject_prefix' => 'Urlop',
         'reply_frequency' => '1',
         'body' => 'Body',
-        'start_value' => '2026-06-10T00:00',
-        'end_value' => '2026-06-24T23:59',
+        'start_value' => $startValue,
+        'end_value' => $endValue,
         'enabled' => '1',
     ], $settings);
     assert_same('exact_hour', $rule['schedule_mode']);
     assert_same(1, $rule['repeat_minutes']);
-    assert_same('2026-06-10T00:00', $rule['start_value']);
-    assert_same('2026-06-24T23:59', $rule['end_value']);
+    assert_same($startValue, $rule['start_value']);
+    assert_same($endValue, $rule['end_value']);
 });
 
 test('rule validator rejects unsupported non-interval frequency', function (): void {
     $settings = Settings::load(TEST_TMP . '/validator-da-every.conf');
+    [$startValue, $endValue] = future_exact_schedule($settings, '00:00', '23:59');
     try {
         RuleValidator::validate([
             'subject_prefix' => 'Urlop',
             'reply_frequency' => 'every',
             'body' => 'Body',
-            'start_value' => '2026-06-10T00:00',
-            'end_value' => '2026-06-24T23:59',
+            'start_value' => $startValue,
+            'end_value' => $endValue,
         ], $settings);
     } catch (InvalidArgumentException $e) {
         assert_contains('Częstość odpowiedzi', $e->getMessage());
@@ -78,13 +93,14 @@ test('rule validator rejects header injection and reversed dates', function ():
 
 test('rule validator rejects unsupported response frequency', function (): void {
     $settings = Settings::load(TEST_TMP . '/missing-frequency.conf');
+    [$startValue, $endValue] = future_exact_schedule($settings, '00:00', '23:59');
     try {
         RuleValidator::validate([
             'subject_prefix' => 'Urlop',
             'reply_frequency' => '45',
             'body' => 'Body',
-            'start_value' => '2026-06-10T00:00',
-            'end_value' => '2026-06-24T23:59',
+            'start_value' => $startValue,
+            'end_value' => $endValue,
         ], $settings);
     } catch (InvalidArgumentException $e) {
         assert_contains('Częstość odpowiedzi', $e->getMessage());