diff --git a/src/DIRAC/Core/Utilities/TimeUtilities.py b/src/DIRAC/Core/Utilities/TimeUtilities.py
index e4a3130662a..0a2a8799813 100755
--- a/src/DIRAC/Core/Utilities/TimeUtilities.py
+++ b/src/DIRAC/Core/Utilities/TimeUtilities.py
@@ -32,8 +32,6 @@
 day = datetime.timedelta(days=1)
 week = datetime.timedelta(days=7)
 
-_dateTimeObject = datetime.datetime.utcnow()
-
 
 def timeThis(method):
     """Function to be used as a decorator for timing other functions/methods"""
@@ -46,7 +44,7 @@ def timed(*args, **kw):
             return result
         te = nativetime.time()
 
-        pre = _dateTimeObject.strftime("%Y-%m-%d %H:%M:%S UTC ")
+        pre = datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S UTC ")
 
         try:
             pre += args[0].log.getName() + "/" + args[0].log.getSubName() + "   TIME: " + args[0].transString
@@ -85,7 +83,7 @@ def toEpoch(dateTimeObject=None):
     Get seconds since epoch
     """
     if not dateTimeObject:
-        dateTimeObject = _dateTimeObject
+        dateTimeObject = datetime.datetime.utcnow()
     return nativetime.mktime(dateTimeObject.timetuple())
 
 
@@ -93,7 +91,7 @@ def fromEpoch(epoch):
     """
     Get datetime object from epoch
     """
-    return _dateTimeObject.fromtimestamp(epoch)
+    return datetime.datetime.utcnow().fromtimestamp(epoch)
 
 
 def toString(myDate=None):
@@ -124,7 +122,7 @@ def toString(myDate=None):
             myDate.microseconds,
         )
     else:
-        return toString(_dateTimeObject)
+        return toString(datetime.datetime.utcnow())
 
 
 def fromString(myDate=None):
@@ -143,7 +141,7 @@ def fromString(myDate=None):
                 return datetime.datetime(year=dateTuple[0], month=dateTuple[1], day=dateTuple[2]) + fromString(
                     dateTimeTuple[1]
                 )
-                # return _dateTimeObject.combine( fromString( dateTimeTuple[0] ),
+                # return datetime.datetime.utcnow().combine( fromString( dateTimeTuple[0] ),
                 #                                   fromString( dateTimeTuple[1] ) )
             except Exception:
                 try:
@@ -152,7 +150,7 @@ def fromString(myDate=None):
                     ) + fromString(dateTimeTuple[1])
                 except ValueError:
                     return None
-                # return _dateTimeObject.combine( fromString( dateTimeTuple[0] ),
+                # return datetime.datetime.utcnow().combine( fromString( dateTimeTuple[0] ),
                 #                                   fromString( dateTimeTuple[1] ) )
         elif myDate.find(":") > 0:
             timeTuple = myDate.replace(".", ":").split(":")
diff --git a/tests/Integration/Core/Test_MySQLDB.py b/tests/Integration/Core/Test_MySQLDB.py
index 564288b1785..4b334356f44 100644
--- a/tests/Integration/Core/Test_MySQLDB.py
+++ b/tests/Integration/Core/Test_MySQLDB.py
@@ -230,8 +230,8 @@ def test_getDistinctAttributeValues(name, fields, requiredFields, values, table,
         ),
         (table, allFields, genVal2(), name, {"older": "UTC_TIMESTAMP()", "timeStamp": "Time"}, 2, True),
         (table, allFields, genVal2(), name, {"newer": "UTC_TIMESTAMP()", "timeStamp": "Time"}, 0, True),
-        (table, allFields, genVal2(), name, {"older": TimeUtilities.toString, "timeStamp": "Time"}, 0, True),
-        (table, allFields, genVal2(), name, {"newer": TimeUtilities.toString, "timeStamp": "Time"}, 2, True),
+        (table, allFields, genVal2(), name, {"older": TimeUtilities.toString, "timeStamp": "Time"}, 2, True),
+        (table, allFields, genVal2(), name, {"newer": TimeUtilities.toString, "timeStamp": "Time"}, 0, True),
     ],
 )
 def test_getFields(table, reqFields, values, name, args, expected, isExpectedCount):