diff --git a/lib/ice_cube/time_util.rb b/lib/ice_cube/time_util.rb
index a18f7758..30500d37 100644
--- a/lib/ice_cube/time_util.rb
+++ b/lib/ice_cube/time_util.rb
@@ -68,6 +68,8 @@ def self.ensure_time(time, reference = nil, date_eod = false)
         else
           time.to_time
         end
+      when Occurrence
+        time.to_time
       else
         time
       end