possible only if both month 4 and month 5 had 30 days. Thus, the sexagenary date of month 5 conjunction was 30 days after j&#464; y&#466;u, which was j&#464; m&#462;o.</p></li>
    
<li id="fn4"><p>[<span class="ref">fn4</span>] The calendar data in <i>3500 Years of Calendars and Astronomical Phenomena</i> are based on: the Zhuanxu calendar before <span class="nowrap">N<sub>-215</sub></span>, the author's reconstructed Han calendar based on the <span class="nowrap">N<sub>-133</sub></span> data<sup><a href="