> BTW - the fictitious calendar is very often used in bond repayments - e.g. https://www.lawinsider.com/dictionary/bond-payment-dates https://www.lawinsider.com

> BTW - the fictitious calendar is very often used in bond repayments - e.g. https://www.lawinsider.com/dictionary/bond-payment-dates https://www.lawinsider.com/dictionary/bond-payment-dates Some sample calculations at: * https://www.bondsavvy.com/bonds/accrued-interest-calculation https://www.bondsavvy.com/bonds/accrued-interest-calculation See also perhaps: * https://www.investopedia.com/terms/d/daycount.asp https://www.investopedia.com/terms/d/daycount.asp