System.Globalization.EastAsianLunisolarCalendar.GetLeapMonth C# (CSharp) 메소드

        public override int  GetLeapMonth(int year, int era) {
            year = CheckYearRange(year, era);
            int month = GetYearInfo(year, LeapMonth);
            if (month>0)
            {
                return (month+1);
            }
            return 0;
        }