diff --git a/freqtrade/util/__init__.py b/freqtrade/util/__init__.py
index 67cdafc3c..b28544fd3 100644
--- a/freqtrade/util/__init__.py
+++ b/freqtrade/util/__init__.py
@@ -1,4 +1,4 @@
-from freqtrade.util.datetime_helpers import dt_from_ts, dt_now, dt_ts
+from freqtrade.util.datetime_helpers import dt_floor_day, dt_from_ts, dt_now, dt_ts
 from freqtrade.util.ft_precise import FtPrecise
 from freqtrade.util.periodic_cache import PeriodicCache
 
@@ -7,6 +7,7 @@ __all__ = [
     'dt_from_ts',
     'dt_now',
     'dt_ts',
+    'dt_floor_day',
     'FtPrecise',
     'PeriodicCache',
 ]
diff --git a/freqtrade/util/datetime_helpers.py b/freqtrade/util/datetime_helpers.py
index 9e7f0a8a8..228bca185 100644
--- a/freqtrade/util/datetime_helpers.py
+++ b/freqtrade/util/datetime_helpers.py
@@ -8,12 +8,20 @@ def dt_now() -> datetime:
 
 
 def dt_ts(dt: Optional[datetime] = None) -> int:
-    """Return the current timestamp in ms as a timestamp in UTC."""
+    """
+    Return dt in ms as a timestamp in UTC.
+    If dt is None, return the current datetime in UTC.
+    """
     if dt:
         return int(dt.timestamp() * 1000)
     return int(dt_now().timestamp() * 1000)
 
 
+def dt_floor_day(dt: datetime) -> datetime:
+    """Return the floor of the day for the given datetime."""
+    return dt.replace(hour=0, minute=0, second=0, microsecond=0)
+
+
 def dt_from_ts(timestamp: float) -> datetime:
     """
     Return a datetime from a timestamp.
diff --git a/tests/utils/test_datetime_helpers.py b/tests/utils/test_datetime_helpers.py
index 47487a04b..7cff44847 100644
--- a/tests/utils/test_datetime_helpers.py
+++ b/tests/utils/test_datetime_helpers.py
@@ -3,7 +3,7 @@ from datetime import datetime, timedelta, timezone
 import pytest
 import time_machine
 
-from freqtrade.util import dt_from_ts, dt_now, dt_ts
+from freqtrade.util import dt_floor_day, dt_from_ts, dt_now, dt_ts
 
 
 def test_dt_now():
@@ -21,8 +21,6 @@ def test_dt_now():
         assert dt_ts(now) == int(now.timestamp() * 1000)
 
 
-
-
 @pytest.mark.parametrize('as_ms', [True, False])
 def test_dt_from_ts(as_ms):
     multi = 1000 if as_ms else 1
@@ -34,3 +32,9 @@ def test_dt_from_ts(as_ms):
     # As milliseconds
     assert dt_from_ts(1683244800 * multi) == datetime(2023, 5, 5, tzinfo=timezone.utc)
     assert dt_from_ts(1683242400 * multi) == datetime(2023, 5, 4, 23, 20, tzinfo=timezone.utc)
+
+
+def test_dt_floor_day():
+    now = datetime(2023, 9, 1, 5, 2, 3, 455555, tzinfo=timezone.utc)
+
+    assert dt_floor_day(now) == datetime(2023, 9, 1, tzinfo=timezone.utc)