diff --git a/backend/config/management/commands/ta_startup.py b/backend/config/management/commands/ta_startup.py
index 3d0717c7..a0eb6863 100644
--- a/backend/config/management/commands/ta_startup.py
+++ b/backend/config/management/commands/ta_startup.py
@@ -52,6 +52,7 @@ class Command(BaseCommand):
         self._create_default_schedules()
         self._update_schedule_tz()
         self._init_app_config()
+        self._set_ta_startup_time()
         self._mig_fix_download_channel_indexed()
         self._mig_add_default_playlist_sort()
         self._mig_set_channel_tabs()
@@ -259,6 +260,17 @@ class Command(BaseCommand):
             self.style.SUCCESS(f"      Status code: {status_code}")
         )
 
+    def _set_ta_startup_time(self) -> None:
+        """set startup time to trigger frontend refresh, threadsafe"""
+        self.stdout.write("[11] Set startup timestamp")
+        message = str(int(datetime.now().timestamp() // 10 * 10))
+        RedisArchivist().set_message(
+            "STARTTIMESTAMP", message=message, save=True
+        )
+        self.stdout.write(
+            self.style.SUCCESS(f"    ✓ set timestamp to {message}.")
+        )
+
     def _mig_fix_download_channel_indexed(self) -> None:
         """migrate from v0.5.2 to 0.5.3, fix missing channel_indexed"""
         self.stdout.write("[MIGRATION] fix incorrect video channel tags types")
diff --git a/backend/config/settings.py b/backend/config/settings.py
index b5fb184c..bf0c35f5 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -11,12 +11,12 @@ https://docs.djangoproject.com/en/3.2/ref/settings/
 """
 
 import hashlib
-from datetime import datetime
 from os import environ, path
 from pathlib import Path
 
 from common.src.env_settings import EnvironmentSettings
 from common.src.helper import ta_host_parser
+from common.src.ta_redis import RedisArchivist
 from corsheaders.defaults import default_headers
 
 try:
@@ -228,7 +228,7 @@ CORS_EXPOSE_HEADERS = ["X-Start-Timestamp"]
 # TA application settings
 TA_UPSTREAM = "https://github.com/tubearchivist/tubearchivist"
 TA_VERSION = "v0.5.8-unstable"
-TA_START = str(int(datetime.now().timestamp() // 10 * 10))  # round it
+TA_START = RedisArchivist().get_message_str("STARTTIMESTAMP")
 
 # API
 REST_FRAMEWORK = {