from duckling import Duckling
d = Duckling()
d.load()
d.parse('on September 31')
Mar. 20, 2020 5:22:34 P.M. clojure.tools.logging$eval277$fn__281 invoke
SEVERE: Error while resolving {:timezone nil, :pred #object[clojure.lang.AFunction$1 0x3412a3fd "clojure.lang.AFunction$1@3412a3fd"], :index 10, :dim :time, :rule {:name "on <date>", :pattern (#object[duckling.engine$pattern_fn$fn__4027 0x1bbf3a6e "duckling.engine$pattern_fn$fn__4027@1bbf3a6e"] #object[duckling.engine$pattern_fn$fn__4033 0x76e4a652 "duckling.engine$pattern_fn$fn__4033@76e4a652"]), :production #object[duckling.time.prod$eval26107$fn__26108 0x7a81a89a "duckling.time.prod$eval26107$fn__26108@7a81a89a"]}, :log-prob -6.3550387135069855, :pos 0, :end 15, :direction nil, :text "on September 31"}
org.joda.time.IllegalFieldValueException: Value 0 for minuteOfHour is not supported: Illegal instant due to time zone offset transition (daylight savings time 'gap'): 1906-09-01T00:00:52.000 (America/Edmonton)
Error: