diff --git a/src/clj/auto_ap/time_reader.clj b/src/clj/auto_ap/time_reader.clj
new file mode 100644
index 00000000..b116a603
--- /dev/null
+++ b/src/clj/auto_ap/time_reader.clj
@@ -0,0 +1,5 @@
+(ns auto-ap.time-reader)
+
+(defmethod print-dup org.joda.time.DateTime
+  [^org.joda.time.DateTime d out]
+  (.write out (str "#=" `(org.joda.time.DateTime. ~(.getMillis d)))))