code: @Nullable
    public static Month getAsMonth (final int nMonth)
    {
      if (nMonth < 1 || nMonth > 12)
        return null;
      return Month.of (nMonth);
    }
docs: Get {@link Month} from int value in a non-throwing version.
  
  @param nMonth
  Month to use. 1 == January, 12 == December
  @return <code>null</code> if invalid int was provided.