m the conjunction <span class="nowrap">M<sub>0</sub></span> at the epoch, and <span class="nowrap">M<sub>i</sub></span> is the ith conjunction after <span class="nowrap">M<sub>0</sub></span>. </p>
    
<p>As stated in Introduction, three epochs are used for the calendar between <span class="nowrap">N<sub>-245</sub></span> and <span class="nowrap">N<sub>-104</sub></span>. These epochs are used only for the computation of lunar conjunctions. Take epoch A as an example, which assumes a lunar conjunction occurr