diff --git a/climada_petals/hazard/river_flood.py b/climada_petals/hazard/river_flood.py
index fda43718f..35f7e5587 100644
--- a/climada_petals/hazard/river_flood.py
+++ b/climada_petals/hazard/river_flood.py
@@ -235,9 +235,11 @@ def from_nc(cls, dph_path=None, frc_path=None, origin=False,
 
         with xr.open_dataset(dph_path) as flood_dph:
             haz.date = np.array([
-                dt.datetime(flood_dph.time[i].dt.year,
-                            flood_dph.time[i].dt.month,
-                            flood_dph.time[i].dt.day).toordinal()
+                dt.datetime(
+                    flood_dph.time.dt.year.values[i],
+                    flood_dph.time.dt.month.values[i],
+                    flood_dph.time.dt.day.values[i],
+                ).toordinal()
                 for i in event_index
             ])
 
diff --git a/climada_petals/hazard/tc_rainfield.py b/climada_petals/hazard/tc_rainfield.py
index a2774a247..35446330b 100644
--- a/climada_petals/hazard/tc_rainfield.py
+++ b/climada_petals/hazard/tc_rainfield.py
@@ -151,8 +151,10 @@ def _from_track(track, centroids, dist_degree=3, intensity_thres=0.1):
         new_haz.fraction.data.fill(1)
         # store date of start
         new_haz.date = np.array([dt.datetime(
-            track.time.dt.year[0], track.time.dt.month[0],
-            track.time.dt.day[0]).toordinal()])
+            track.time.dt.year.values[0],
+            track.time.dt.month.values[0],
+            track.time.dt.day.values[0],
+        ).toordinal()])
         new_haz.orig = np.array([track.orig_event_flag])
         new_haz.category = np.array([track.category])
         new_haz.basin = [str(track.basin.values[0])]