def to_a
      if_timezone_offset(super) do |o,a|
        a[8] = o.dst?
        a[9] = o.abbreviation
        a
      end
    end
def to_a
      if_timezone_offset(super) do |o,a|
        a[8] = o.dst?
        a[9] = o.abbreviation
        a
      end
    end
An overridden version of `Time#to_a`. The `isdst` (index 8) and `zone`
 (index 9) elements of the array are set according to the associated
 {TimezoneOffset}.

 @return [Array] an `Array` representation of the {TimeWithOffset}.