diff --git a/pelican/tests/test_utils.py b/pelican/tests/test_utils.py
index 95bf197a..79947700 100644
--- a/pelican/tests/test_utils.py
+++ b/pelican/tests/test_utils.py
@@ -64,8 +64,8 @@ class TestUtils(LoggedTestCase):
         date_hour_z = utils.SafeDatetime(
             year=2012, month=11, day=22, hour=22, minute=11, tzinfo=timezone.utc
         )
-        date_hour_est = utils.SafeDatetime(
-            year=2012, month=11, day=22, hour=22, minute=11, tzinfo=ZoneInfo("EST")
+        date_hour_wib = utils.SafeDatetime(
+            year=2012, month=11, day=22, hour=22, minute=11, tzinfo=ZoneInfo("Asia/Jakarta")
         )
         date_hour_sec = utils.SafeDatetime(
             year=2012, month=11, day=22, hour=22, minute=11, second=10
@@ -79,14 +79,14 @@ class TestUtils(LoggedTestCase):
             second=10,
             tzinfo=timezone.utc,
         )
-        date_hour_sec_est = utils.SafeDatetime(
+        date_hour_sec_wib = utils.SafeDatetime(
             year=2012,
             month=11,
             day=22,
             hour=22,
             minute=11,
             second=10,
-            tzinfo=ZoneInfo("EST"),
+            tzinfo=ZoneInfo("Asia/Jakarta"),
         )
         date_hour_sec_frac_z = utils.SafeDatetime(
             year=2012,
@@ -108,10 +108,10 @@ class TestUtils(LoggedTestCase):
             "22.11.2012": date,
             "22.11.2012 22:11": date_hour,
             "2012-11-22T22:11Z": date_hour_z,
-            "2012-11-22T22:11-0500": date_hour_est,
+            "2012-11-22T22:11+0700": date_hour_wib,
             "2012-11-22 22:11:10": date_hour_sec,
             "2012-11-22T22:11:10Z": date_hour_sec_z,
-            "2012-11-22T22:11:10-0500": date_hour_sec_est,
+            "2012-11-22T22:11:10+0700": date_hour_sec_wib,
             "2012-11-22T22:11:10.123Z": date_hour_sec_frac_z,
         }