jpg" alt="Time differences between calendrical and astronomical conjunctions" />
<figcaption>Figure 1: Time lags of the calendrical conjunctions. JD is the Julian day of a calendrical conjunction <span class="nowrap">JD(M<sub>i</sub>)</span> calculated using equation (3) and then subtracts 0.3025 to convert it from the local time to the universal time UT1. The value of y may be regarded as the Julian year of the calendrical conjunction. The vertical red lines represent the times when epochs changed. From le