A 13-month year has months containing equal numbers of weeks, but does not follow a typical calendar year nor yield equal number of months in a quarter. In 13-month years, you must define which quarter contains the extra month.
A 13-month year has months containing equal numbers of weeks, but does not follow a typical calendar year nor yield equal number of months in a quarter. In 13-month years, you must define which quarter contains the extra month.
To assign months to quarters: