   :db/cardinality :db.cardinality/one
   :db.install/_attribute :db.part/db}
 
- {:db/id #db/id[:db.part/db] ; TODO: might update to instant
+ {:db/id #db/id[:db.part/db]
   :db/ident :service/start-date
-  :db/valueType :db.type/string
-  :db/cardinality :db.cardinality/one
-  :db.install/_attribute :db.part/db}
-
- {:db/id #db/id[:db.part/db] ; TODO: might update to instant
+  :db/valueType :db.type/instant
+  :db/cardinality :db.cardinality/one
+  :db.install/_attribute :db.part/db}
+
+ {:db/id #db/id[:db.part/db]
   :db/ident :service/end-date
-  :db/valueType :db.type/string
+  :db/valueType :db.type/instant
   :db/cardinality :db.cardinality/one
   :db.install/_attribute :db.part/db}
 


 {:db/id #db/id[:db.part/db]
  :db/ident :stop/latitude
  :db/valueType :db.type/string
  :db/cardinality :db.cardinality/one
  :db/doc "The stop_lat field contains the latitude of a stop or station. The field value must be a valid WGS 84 latitude."
  :db.install/_attribute :db.part/db}

 {:db/id #db/id[:db.part/db]
  :db/ident :stop/longitude
  :db/valueType :db.type/string
  :db/cardinality :db.cardinality/one
  :db/doc "The stop_lon field contains the longitude of a stop or station. The field value must be a valid WGS 84 longitude value from -180 to 180."
  :db.install/_attribute :db.part/db}

 {:db/id #db/id[:db.part/db]
  :db/ident :stop/url
  :db/valueType :db.type/uri
  :db/cardinality :db.cardinality/one
  :db.install/_attribute :db.part/db}



 {:db/id #db/id[:db.part/db]
  :db/ident :agency/url
  :db/valueType :db.type/string
  :db/cardinality :db.cardinality/one
  :db/doc "The agency_url field contains the URL of the transit agency. The value must be a fully qualified URL that includes http:// or https://, and any special characters in the URL must be correctly escaped. See http://www.w3.org/Addressing/URL/4_URI_Recommentations.html for a description of how to create fully qualified URL values."
  :db.install/_attribute :db.part/db}
