Height variance of the Sun between summer and winter,
coupled by the distance between tropics,
allows for the constant speed of the Sun, rotating around a :
Quote “flat disc with an upturned edge”.
As stated by “Auguste Antoine Piccard (28 January 1884 – 24 March 1962) who was a Swiss physicist”
Quote From Wikapedia
This can be interpreted as how “fast” or “slow” the Sun (or a sundial) is compared to clock time.
It also shows how far west or east the Sun is, compared with its mean position.
The analemma can be considered as a graph in which the Sun’s declination and the equation of time are plotted against each other.