7</a></sup>. In <i>3500 Years of Calendars and Astronomical Phenomena</i>, two consecutive short months appear in month 12 and month 1 in <span class="nowrap">N<sub>-103</sub></span>. This is impossible under the <i>p&#237;ngshu&#242;</i> rule (based on the mean motions of the Moon and Sun), but is easily explained by the change of calendar in month 1.</p></li>
    
<li id="fn5"><p>[<span class="ref">fn5</span>] Astronomical conjunctions are calculated by the modern method. That is the method described in <