The date of conversion may have been agreed in the contract between the debtor and creditor, or it may be set by the insolvency law by reference to a fixed time, such as such as commencement or other point of the proceedings.
折算日也许已在债务人和债权人双方的合同中商定，或者由破产代表参照程序启动之日或程序中其他某个阶段等固定时间来确定。