diff --git a/.github/workflows/build_image.yml b/.github/workflows/build_image.yml
index ccaa35f..94714b2 100644
--- a/.github/workflows/build_image.yml
+++ b/.github/workflows/build_image.yml
@@ -10,7 +10,6 @@ on:
 
 jobs:
   build_and_publish_image:
-    
     permissions:
       contents: read
       packages: write
diff --git a/Readme.md b/Readme.md
index 1abf98a..9e6ac75 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,4 +1,4 @@
-[![Github Container Pulls](https://img.shields.io/badge/Github%20Container%20Pulls-780-blue
+[![Github Container Pulls](https://img.shields.io/badge/Github%20Container%20Pulls-960-blue
 )](https://github.com/tbmc/sporteasy-calendar-connector/pkgs/container/sporteasy-calendar-connector)
 [![Docker Pulls](https://img.shields.io/docker/pulls/tbmc/sporteasy-calendar-connector)](https://hub.docker.com/r/tbmc/sporteasy-calendar-connector)
 
diff --git a/test/test_get_calendar_text.py b/test/test_get_calendar_text.py
index 8c085fc..c688ce9 100644
--- a/test/test_get_calendar_text.py
+++ b/test/test_get_calendar_text.py
@@ -1,15 +1,28 @@
+import datetime
+import importlib
+from unittest.mock import patch, MagicMock
+
 import requests_mock
 
+import utils.calendar_converter
+from utils.consts import url_list_events, url_list_teams, url_authenticate
 from .test_utils import (
     read_text_by_name,
     replace_unwanted_lines,
-    replace_last_sync_and_sequence,
 )
-from utils.calendar_converter import CalendarConverter
-from utils.consts import url_list_events, url_list_teams, url_authenticate
 
 
-def test_get_calendar_text() -> None:
+@patch("utils.datetime_utils.get_current_timestamp", return_value=173512350)
+@patch(
+    "utils.datetime_utils.get_current_datetime",
+    return_value=datetime.datetime(2024, 12, 25, 10, 45, 0),
+)
+def test_get_calendar_text(
+    timestamp_mock: MagicMock,
+    datetime_mock: MagicMock,
+) -> None:
+    importlib.reload(utils.calendar_converter)
+
     mocked_response_teams = read_text_by_name("list_teams.json")
     mocked_response_events = read_text_by_name("list_events.json")
 
@@ -17,17 +30,19 @@ def test_get_calendar_text() -> None:
         read_text_by_name("expected_calendar.ics")
     )
 
-    with requests_mock.Mocker() as m:
-        m.post(
+    with requests_mock.Mocker() as request_mocker:
+        request_mocker.post(
             url_authenticate,
             status_code=200,
             cookies={"sporteasy": "token test calendar"},
         )
-        m.get(url_list_teams, text=mocked_response_teams)
-        m.get(url_list_events.format(team_id=1), text=mocked_response_events)
+        request_mocker.get(url_list_teams, text=mocked_response_teams)
+        request_mocker.get(
+            url_list_events.format(team_id=1), text=mocked_response_events
+        )
 
-        converter = CalendarConverter()
+        converter = utils.calendar_converter.CalendarConverter()
         calendar_text = converter.get_calendar_text("username", "password", "1")
 
-    result = replace_last_sync_and_sequence(replace_unwanted_lines(calendar_text))
+    result = replace_unwanted_lines(calendar_text)
     assert result == expected_calendar
diff --git a/test/test_utils.py b/test/test_utils.py
index 46221e4..7321e55 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -1,4 +1,3 @@
-import re
 import json
 from pathlib import Path
 from typing import Any
@@ -41,13 +40,3 @@ def read_json(path: Path) -> Any:
 
 def replace_unwanted_lines(text: str) -> str:
     return text.replace("\r\n", "\n").replace("\n\n", "\n").strip()
-
-
-_SEQUENCE_REGEX = r"(?<=SEQUENCE:)\d+"
-_LAST_SYNC_REGEX = r"(?<=\| Last sync: )\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}"
-
-
-def replace_last_sync_and_sequence(text: str) -> str:
-    text_sequence = re.sub(_SEQUENCE_REGEX, "173512350", text)
-    text_date = re.sub(_LAST_SYNC_REGEX, "2024-12-25 10:45:00", text_sequence)
-    return text_date
diff --git a/utils/calendar_converter.py b/utils/calendar_converter.py
index 0dfcaaa..b69ec9a 100644
--- a/utils/calendar_converter.py
+++ b/utils/calendar_converter.py
@@ -1,4 +1,3 @@
-import time
 from datetime import datetime, timedelta
 from typing import Any, cast, Literal
 
@@ -14,6 +13,8 @@
     url_list_teams,
     url_list_events,
 )
+
+from utils.datetime_utils import get_current_timestamp, get_current_datetime
 from utils.env import load_env_data
 from utils.normalize import normalize
 
@@ -165,7 +166,7 @@ def event_to_calendar_event(team_name: str, event_data: EVENT_TYPE) -> Event:
     _extract_event_description(event_data, event)
 
     event.add("class", "PUBLIC")
-    current_timestamp = int(time.time() / 10)
+    current_timestamp = get_current_timestamp()
     event.add("sequence", current_timestamp)
     event.add("transp", "OPAQUE")
 
@@ -227,7 +228,7 @@ def get_calendar_text(
         cal.add("x-wr-calname", "SportEasy Calendar")
         cal.add("x-wr-timezone", "Europe/Paris")
 
-        formatted_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        formatted_time = get_current_datetime().strftime("%Y-%m-%d %H:%M:%S")
         cal.add("x-wr-caldesc", f"SportEasy Calendar | Last sync: {formatted_time}")
         cal.add("REFRESH-INTERVAL;VALUE=DURATION", "PT8H")
         cal.add("X-PUBLISHED-TTL", "PT8H")
diff --git a/utils/datetime_utils.py b/utils/datetime_utils.py
new file mode 100644
index 0000000..f45ecff
--- /dev/null
+++ b/utils/datetime_utils.py
@@ -0,0 +1,10 @@
+import time
+import datetime
+
+
+def get_current_timestamp() -> int:
+    return int(time.time() / 10)
+
+
+def get_current_datetime() -> datetime.datetime:
+    return datetime.datetime.now()