diff --git a/tests/commands/test_list.py b/tests/commands/test_list.py
index 2716311..3574443 100644
--- a/tests/commands/test_list.py
+++ b/tests/commands/test_list.py
@@ -28,11 +28,11 @@ async def test_list_events(capsys, generate_models):
     output = capsys.readouterr()
     assert clean_output(output) == [
         "event_0                    WAITING   00000000-0000-0000-0000-000000000000"
-        "    2021-06-06T05:00:00+02:00    2021-06-06T07:00:00+02:00",
+        "    2021-06-06T03:00:00+00:00    2021-06-06T05:00:00+00:00",
         "event_1                   COMPLETED  00000000-0000-0000-0000-000000000001"
-        "    2021-06-07T05:00:00+02:00    2021-06-07T07:00:00+02:00",
+        "    2021-06-07T03:00:00+00:00    2021-06-07T05:00:00+00:00",
         "event_2                    FAILED    00000000-0000-0000-0000-000000000002"
-        "    2021-06-08T05:00:00+02:00    2021-06-08T07:00:00+02:00",
+        "    2021-06-08T03:00:00+00:00    2021-06-08T05:00:00+00:00",
     ]
 
 
@@ -43,7 +43,7 @@ async def test_list_events_with_status(capsys, generate_models):
     output = capsys.readouterr()
     assert clean_output(output) == [
         "event_0                    WAITING   00000000-0000-0000-0000-000000000000"
-        "    2021-06-06T05:00:00+02:00    2021-06-06T07:00:00+02:00"
+        "    2021-06-06T03:00:00+00:00    2021-06-06T05:00:00+00:00"
     ]
 
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 442e112..ae3933a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -39,7 +39,7 @@ def generate_publication_status(published):
 
 @pytest.fixture(autouse=True)
 def set_timezone():
-    os.environ["TZ"] = "Europe/Rome"
+    os.environ["TZ"] = "Coordinated Universal Time"
     time.tzset()
 
 
diff --git a/tests/formatting/test_output_format.py b/tests/formatting/test_output_format.py
index 563cbbe..d903c4b 100644
--- a/tests/formatting/test_output_format.py
+++ b/tests/formatting/test_output_format.py
@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta, timezone
+from datetime import datetime
 from uuid import UUID
 
 import arrow
@@ -7,16 +7,7 @@ import pytest
 from mobilizon_reshare.event.event import MobilizonEvent
 from mobilizon_reshare.publishers.platforms.platform_mapping import get_formatter_class
 
-begin_date = arrow.get(
-    datetime(
-        year=2021,
-        month=1,
-        day=1,
-        hour=11,
-        minute=30,
-        tzinfo=timezone(timedelta(hours=1)),
-    )
-).to("local")
+begin_date = arrow.get(datetime(year=2021, month=1, day=1, hour=11, minute=30,))
 
 end_date = begin_date.shift(hours=1)