System.Globalization.HijriCalendar.IsLeapYear C# (CSharp) Method

        public override bool IsLeapYear(int year, int era) {
            CheckYearRange(year, era);
            return ((((year * 11) + 14) % 30) < 11);
        }

 // Determine if a particular year is a leap year.
 public override bool IsLeapYear(int year, int era)
 {
     return(hijri.IsLeapYear(year, era));
 }