diff --git a/src/monger/joda_time.clj b/src/monger/joda_time.clj
new file mode 100644
index 0000000..ceae374
--- /dev/null
+++ b/src/monger/joda_time.clj
@@ -0,0 +1,12 @@
+(ns monger.joda-time
+  (:import (org.joda.time DateTime DateTimeZone))
+  (:use [monger.conversion]))
+
+;;
+;; API
+;;
+
+(extend-protocol ConvertToDBObject
+  org.joda.time.DateTime
+  (to-db-object [^org.joda.time.DateTime input]
+    (to-db-object (.toDate input))))