diff --git a/events/importer.py b/events/importer.py
index fe04d35f5..12bf2efce 100644
--- a/events/importer.py
+++ b/events/importer.py
@@ -7,9 +7,6 @@
 from .models import EventLocation, Event, OccurringRule
 from .utils import extract_date_or_datetime
 
-DATE_RESOLUTION = timedelta(1)
-TIME_RESOLUTION = timedelta(0, 0, 1)
-
 logger = logging.getLogger(__name__)
 
 
@@ -31,10 +28,7 @@ def import_occurrence(self, event, event_data):
             dt_end = dt_start
 
         # Let's mark those occurrences as 'all-day'.
-        all_day = (
-            dt_start.resolution == DATE_RESOLUTION or
-            dt_end.resolution == DATE_RESOLUTION
-        )
+        all_day = dt_end - dt_start >= timedelta(days=1)
 
         defaults = {
             'dt_start': dt_start,
diff --git a/events/utils.py b/events/utils.py
index a3801d4a6..1ddadcc79 100644
--- a/events/utils.py
+++ b/events/utils.py
@@ -21,7 +21,7 @@ def date_to_datetime(date, tzinfo=None):
 
 
 def extract_date_or_datetime(dt):
-    if isinstance(dt, datetime.datetime):
+    if isinstance(dt, datetime.date):
         return convert_dt_to_aware(dt)
     return dt