Re: timekeeping and calendars
Posted: Fri Apr 21, 2023 8:38 am
I think it's interesting to imagine how the conception of time would develop in a society where astronomical cycles are practically meaningless. On Earth, seasonal variations are plainly obvious almost everywhere - if not directly through climate, then indirectly, like in river throughput. But on a world with no axial tilt, orbiting a world that has no eccentricity in its orbit, I can't think of anything astronomical that would cause noticeable cycles. Would cultures base time units off human aging? Perhaps the aging of livestock? Crops? Perhaps they would just have the concept of a "day" and nothing else? So many possibilities.Torco wrote: ↑Thu Apr 20, 2023 4:27 pm Ellirnae (something like [e'ʝɨɾ.nə], I suppose), my current conworld, is a mars-sized moon orbiting a superjupiter called Tarka. Another of its peculiarities is that the difference between its rotational inclination, its orbital inclination and its jupiter's orbit around the local star are so small that it, for all intents and purposes, has no seasons. It's day lasts a bit over 40 hours, 20 night 20 day, and the whole tarka-ellirne system takes ~160 local days to complete a year. By a cosmic coincidence, this comes out to almost exactly the amount of time a human pregnancy takes to completion.
Because of the lack of seasons, the people of ellirnae aren't as interested in calendars as humans in worlds with seasons, such as Earth. while many ellirnean societies are agricultural, the relevant information for a farmer is more related to when the next rains will come, which is something calendars don't help with. Nevertheless, measuring time is still a useful thing to be able to do: I haven't come up with actual calendars, but I'm thinking something more along the lines of periods upon periods: "months" and "years" that don't necessarily add up to a proper orbital year, since the orbital year is not very releant, but rather that just make for useful durations in order to talk about, say, how much time I will loan you my cart or whatever.