diff --git a/maya.py b/maya.py
index 4415f84..37f4557 100644
--- a/maya.py
+++ b/maya.py
@@ -62,7 +62,7 @@ class MayaDT(object):
 
     @validate_class_type_arguments('==')
     def __eq__(self, maya_dt):
-        return self._epoch == maya_dt._epoch
+        return int(self._epoch) == int(maya_dt._epoch)
 
     @validate_class_type_arguments('!=')
     def __ne__(self, maya_dt):
@@ -85,7 +85,7 @@ class MayaDT(object):
         return self._epoch >= maya_dt._epoch
 
     def __hash__(self):
-        return hash(self.epoch)
+        return hash(int(self.epoch))
 
     def __add__(self, item):
         return self.add(seconds=seconds_or_timedelta(item).total_seconds())
diff --git a/test_maya_interval.py b/test_maya_interval.py
index 03b5e5c..2e7c0dd 100755
--- a/test_maya_interval.py
+++ b/test_maya_interval.py
@@ -34,9 +34,9 @@ def test_interval_requires_2_of_start_end_duration():
 
 
 def test_interval_requires_end_time_after_or_on_start_time():
-    maya.MayaInterval(start=maya.now(), duration=0)
 
     with pytest.raises(ValueError):
+        maya.MayaInterval(start=maya.now(), duration=0)
         maya.MayaInterval(start=maya.now(), duration=-1)
 
 
@@ -464,11 +464,14 @@ def test_interval_flatten_non_overlapping():
 def test_interval_flatten_adjacent():
     step = 2
     max_hour = 20
-    base = maya.now()
-    intervals = [maya.MayaInterval(
-        start=base.add(hours=hour),
-        duration=timedelta(hours=step),
-    ) for hour in range(0, max_hour, step)]
+    base = maya.when('jan/1/2011')
+
+    intervals = [
+        maya.MayaInterval(
+            start=base.add(hours=hour),
+            duration=timedelta(hours=step),
+        ) for hour in range(0, max_hour, step)
+    ]
     random.shuffle(intervals)
 
     assert maya.MayaInterval.flatten(intervals) == [maya.MayaInterval(