diff --git a/utils/queues.py b/utils/queues.py
index 8cf6aaa..edb5fa7 100644
--- a/utils/queues.py
+++ b/utils/queues.py
@@ -1,6 +1,7 @@
+from concurrent.futures import ThreadPoolExecutor
 import datetime
 import os
-from threading import Thread
+import zoneinfo
 import requests
 import time
 
@@ -12,6 +13,9 @@ else:
     QUEUES_URL = 'http://queues:1239'
 
 
+executor = ThreadPoolExecutor(max_workers=1)
+
+
 class QueuesException(Exception):
     ...
 
@@ -35,8 +39,7 @@ class TasksHandlerMixin:
             print(f'metric failed: {e}')
 
     def send_metric(self, start, success, end):
-        # Thread(target=self._send_metric, args=(start, success, end)).start()
-        self._send_metric(start, success, end)
+        executor.submit(self._send_metric, start, success, end)
 
     def poll(self):
         while True:
@@ -50,14 +53,14 @@ class TasksHandlerMixin:
             if not task:
                 time.sleep(0.2)
                 continue
-            start = datetime.datetime.now()
+            start = datetime.datetime.now().astimezone(zoneinfo.ZoneInfo("Europe/Moscow"))
             try:
                 self.process(task['payload'])
                 success = True
             except Exception as exc:
                 print(f'Error processing message id={task["id"]}, payload={task["payload"]}, exc={exc}')
                 success = False
-            end = datetime.datetime.now()
+            end = datetime.datetime.now().astimezone(zoneinfo.ZoneInfo("Europe/Moscow"))
             try:
                 resp = requests.post(f'{QUEUES_URL}/api/v1/finish', json={'id': task['id']})
                 if resp.status_code != 202: