When were the Medinet & Edfu calendars used? In different periods or such? Considering the timespan of the AE civilization, Sopdet might have conceivably changed when it rose, just as the constellations change in time as we move through the Universe.
Anyways, it's a thought.
On the flip side, you can always just use the actual calculations of when Sopdet does rise astronmically, then use that as the beginning of whichever calendar you decide to use.
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When were the Medinet & Edfu calendars used? In different periods or such?
Considering the timespan of the AE civilization, Sopdet might have conceivably changed when it rose, just as the constellations change in time as we move through the Universe.
Anyways, it's a thought.
On the flip side, you can always just use the actual calculations of when Sopdet does rise astronmically, then use that as the beginning of whichever calendar you decide to use.