 <i>3500 Years of Calendars and Astronomical Phenomena</i><sup><a href="QinHanCalendars.html#Zhang1997">Zhang97</a></sup>, which shows calendar data based on the T&#224;ich&#363; astronomical system (&#22826;&#21021;&#26310;) beginning in month 1 in <span class="nowrap">N<sub>-103</sub></span><sup><a href="QinHanCalendars.html#fn4">fn4</a></sup>. In <span class="nowrap">N<sub>-103</sub></span>, month 3 had 29 days and month 4 should have had 30 days according to the reconstructed calendar. However, when the