cast_value

# File activemodel/lib/active_model/type/time.rb, line 32
        def cast_value(value)
          return apply_seconds_precision(value) unless value.is_a?(::String)
          return if value.empty?

          dummy_time_value = value.sub(/\A(\d\d\d\d-\d\d-\d\d |)/, "2000-01-01 ")

          fast_string_to_time(dummy_time_value) || begin
            time_hash = ::Date._parse(dummy_time_value)
            return if time_hash[:hour].nil?
            new_time(*time_hash.values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction, :offset))
          end
        end