06 BCE) was based on a different system from the calendar in early Han dynasty around 200 BCE, and the calendar used in <span class="nowrap">N<sub>-133</sub></span> was based on a system different from the other two. None of the previous reconstruction methods proposed to fit the <span class="nowrap">N<sub>-133</sub></span> data matches all the new data.</p>
    
<p>I know of two papers attempting to find methods to reconstruct the calendar in this period based on all the available data<sup><a href="QinHanC