diff --git a/app/utils.py b/app/utils.py
index b89c88262..31b89267e 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -334,7 +334,9 @@ def get_template(
 
 
 def get_current_financial_year():
-    now = datetime.utcnow()
+    now = utc_string_to_aware_gmt_datetime(
+        datetime.utcnow()
+    )
     current_month = int(now.strftime('%-m'))
     current_year = int(now.strftime('%Y'))
     return current_year if current_month > 3 else current_year - 1
diff --git a/tests/app/test_utils.py b/tests/app/test_utils.py
index 47bdf1a2e..3ebc2bda6 100644
--- a/tests/app/test_utils.py
+++ b/tests/app/test_utils.py
@@ -16,6 +16,7 @@ from app.utils import (
     generate_next_dict,
     generate_notifications_csv,
     generate_previous_dict,
+    get_current_financial_year,
     get_letter_printing_statement,
     get_letter_validation_error,
     get_logo_cdn_domain,
@@ -657,3 +658,14 @@ def test_merge_jsonlike_merges_jsonlike_objects_correctly(source_object, destina
 ))
 def test_round_to_significant_figures(value, significant_figures, expected_result):
     assert round_to_significant_figures(value, significant_figures) == expected_result
+
+
+@pytest.mark.parametrize('datetime_string, financial_year', (
+    ('2021-01-01T00:00:00+00:00', 2020),  # Start of 2021
+    ('2021-03-31T22:59:59+00:00', 2020),  # One minute before midnight (BST)
+    ('2021-03-31T23:00:00+00:00', 2021),  # Midnight (BST)
+    ('2021-12-12T12:12:12+01:00', 2021),  # Later in the year
+))
+def test_get_financial_year(datetime_string, financial_year):
+    with freeze_time(datetime_string):
+        assert get_current_financial_year() == financial_year