Business Day Lookup

KODIAK Oms Client & Server use the following implementation of getting valid trade dates and settlement dates. The Bond calculator control how ever uses the LMD webservice, for exampleapi.livemarketdata.com/v1/static_data/v1/next_settlementday/.

public class Iceland : Calendar
    {

        public Iceland()
        {
            // Vegna breytinga á uppgjörsdögum hjá Verðbréfaskráningu
            this.addedHolidays.Add(new DateTime(2020, 8, 24));
        }

        public override string CountryCode { get { return "IS"; } }

        public override bool IsBusinessDay(DateTime date)
        {
            if (addedHolidays.Contains(date.Date))
                return false;
            if (removedHolidays.Contains(date.Date))
                return true;


            DayOfWeek w = date.DayOfWeek;
            int d = date.Day, dd = date.DayOfYear;
            int m = date.Month;
            int y = date.Year;
            int em = EasterMonday(y);

            if (IsWeekend(w)
                // New Year's Day (possibly moved to Monday)
                //|| ((d == 1 || ((d == 2 || d == 3) && w == DayOfWeek.Monday)) && m == (int)Month.January)
                || (d == 1 && m == (int)Month.January)
                // Holy Thursday
                || (dd == em - 4)
                // Good Friday
                || (dd == em - 3)
                // Easter Monday
                || (dd == em)
                // First day of Summer
                || (d >= 19 && d <= 25 && w == DayOfWeek.Thursday && m == (int)Month.April)
                // Ascension Thursday
                || (dd == em + 38)
                // Pentecost Monday
                || (dd == em + 49)
                // Labour Day
                || (d == 1 && m == (int)Month.May)
                // Independence Day
                || (d == 17 && m == (int)Month.June)
                // Commerce Day
                || (d <= 7 && w == DayOfWeek.Monday && m == (int)Month.August)
                // Christmas Eve
                || (d == 24 && m == (int)Month.December)
                // Christmas Day
                || (d == 25 && m == (int)Month.December)
                // Boxing Day
                || (d == 26 && m == (int)Month.December))
                return false;
            return true;
        }
    }

public class Denmark : Calendar
    {
        public override string CountryCode
        {
            get { return "DK"; }
        }

        public override bool IsBusinessDay(DateTime date)
        {
            if (addedHolidays.Contains(date.Date))
                return false;
            if (removedHolidays.Contains(date.Date))
                return true;


            DayOfWeek w = date.DayOfWeek;
            int d = date.Day, dd = date.DayOfYear;
            Month m = (Month)date.Month;
            int y = date.Year;
            int em = EasterMonday(y);
            if (IsWeekend(w)
                // Maunday Thursday
                  || (dd == em - 4)
                // Good Friday
                  || (dd == em - 3)
                // Easter Monday
                  || (dd == em)
                // General Prayer Day
                  || (dd == em + 25)
                // Ascension
                  || (dd == em + 38)
                // Whit Monday
                  || (dd == em + 49)
                // New Year's Day
                  || (d == 1 && m == Month.January)
                // Constitution Day, June 5th
                  || (d == 5 && m == Month.June)
                // Christmas
                  || (d == 25 && m == Month.December)
                // Boxing Day
                  || (d == 26 && m == Month.December))
                return false;
            return true;
        }
    }

public class Finland : Calendar
    {
        public override string CountryCode
        {
            get { return "FI"; }
        }

        public override bool IsBusinessDay(DateTime date)
        {
            if (addedHolidays.Contains(date.Date))
                return false;
            if (removedHolidays.Contains(date.Date))
                return true;


            DayOfWeek w = date.DayOfWeek;
            int d = date.Day, dd = date.DayOfYear;
            Month m = (Month)date.Month;
            int y = date.Year;
            int em = EasterMonday(y);

            if (IsWeekend(w)
                // New Year's Day
                || (d == 1 && m == Month.January)
                // Epiphany
                || (d == 6 && m == Month.January)
                // Good Friday
                || (dd == em - 3)
                // Easter Monday
                || (dd == em)
                // Ascension Thursday
                || (dd == em + 38)
                // Labour Day
                || (d == 1 && m == Month.May)
                // Midsummer Eve (Friday between June 18-24)
                || (w == DayOfWeek.Friday && (d >= 18 && d <= 24) && m == Month.June)
                // Independence Day
                || (d == 6 && m == Month.December)
                // Christmas Eve
                || (d == 24 && m == Month.December)
                // Christmas
                || (d == 25 && m == Month.December)
                // Boxing Day
                || (d == 26 && m == Month.December))
                return false;
            return true;
        }
    }