As you may be aware, there is little point in marking time on Venus by its motion relative to the Sun. The orbit of Venus is nearly a perfect circle, and the planet has no axial tilt, so it has no seasons. Any point along the orbit is essentially indistinguishable from any other one, and return to it has no special meaning. Thus, there is no solar calendar on Venus. Instead, from the very beginning of the human settlement, the universally accepted calendar on Venus has been a geo calendar, based on the motion of Venus relative to Earth. The…
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