321–330 of 406 posts
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People under 30 don't use the "circular clock" anyway. Mars will do fine without it.
That is definitely not true - I have an analog wrist watch (and am under 30). Also, there can be benefits to the use of analog clocks: in some circumstances they're quicker to read the time off of. http://www.mcld.co.uk/blog/2006/digital-vs-analogue-clocks.h...
I am a proponent of a Martian timekeeping system where each day has 24 hours 39 minutes and 35.244 seconds and all the rest of time units have standard lengths. For example, at midnight your martian clock would show the time as 24:39:35 for a fraction of a second, then wound back to 00:00:00. The calendar then would track the Earth calendar as close as possible, with shortened months to accommodate for the longer day…
I prefer KSR's "time gap". At midnight on mars, everyone just gets a 40 minute period where the clocks don't move.
I am a proponent of a Martian timekeeping system where each day has 24 hours 39 minutes and 35.244 seconds and all the rest of time units have standard lengths. For example, at midnight your martian clock would show the time as 24:39:35 for a fraction of a second, then wound back to 00:00:00. The calendar then would track the Earth calendar as close as possible, with shortened months to accommodate for the longer day…
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It's worth noting that even atomic clocks run on Mars faster than on Earth, due to the different gravity. So you might expect say half of the 50 microsecond daily gain quoted in this article for the Moon, 10 miliseconds per year or a full second per century, more than enough to make you your spaceship completely miss its intended orbit. And martians will definitely want to run their own atomic clocks, making sync ver…
Not sure whether sync will be 'very problematic'. We already have that sort of sync happening today: when your computer is off, it runs a quartz watch. When you turn it on, it syncs via ntp. Some special boffins on Mars would run atomic clocks, and worry about synchronisation with earth. For the rest of the people running quartz clocks, they wouldn't even notice.
I think at some point, you have to redefine utc to be based on an estimated atomic clock at the center of the sun, because it's easier for mars and earth to estimate that, than for earth to go on its merry way and mars to estimate the time on earth. Relativism is fun?
I would be happy if we got rid of timezones, got rid of daylight savings time, and got rid of 12 hour clocks.
I am a proponent of a Martian timekeeping system where each day has 24 hours 39 minutes and 35.244 seconds and all the rest of time units have standard lengths. For example, at midnight your martian clock would show the time as 24:39:35 for a fraction of a second, then wound back to 00:00:00. The calendar then would track the Earth calendar as close as possible, with shortened months to accommodate for the longer day…
I prefer KSR's "time gap". At midnight on mars, everyone just gets a 40 minute period where the clocks don't move.
For anything legal, scientific, etc., dealing with time or speed (tracking experiments, wage and hour laws, etc.) you need to be able to track time during the clock pause, which will lead to adoption (by social convention, if nothing else) of a standard method of recording times within the pause, which leads to clocks that display in that format times during the pause. “All clocks stop for 40 minutes” is not a stable equilibrium.
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I prefer KSR's "time gap". At midnight on mars, everyone just gets a 40 minute period where the clocks don't move.
This breaks all computer games and also internet (I think?).
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I don't think they meant replace all time zones with UTC, but just put the Moon on UTC.
Yeah, my point being that 1 minute passing is 60 seconds both on Earth and the moon. We have a Lunar calendar and the moon is tidally locked to Earth so it seems trivial to convert Earth time to Moon time. The terms "Earth time" and "Moon time" seem weird to me in themselves, in my view it's "Human time". I understand having a separate time for Mars or other planets as they have their own cycles.
- It's also weird the time on the moon would have to account for variations in earth rotatoin speed (as UTC does) - Time on the moon actually goes slower due to relativistic effect - the effect is small (in tens of microseconds per day) but measurable.
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True, but UTC drift calculations on earth are different from on the moon. Fundamentally there is another time standard on the moon. How we account for that is up to us, but it makes sense to formalize this IMO. You could perhaps try to first derive a galactic or stelar time standard, then make both the moon's and earth's a derivative, but that seems even more complex in a way, though perhaps the most elegant in anoth…
>> I don't think we should define days around the petty need of humans. Why not? Are you being considerate for alien life? As far as we know, humans are the only ones who are going to use it.
I am a proponent of a Martian timekeeping system where each day has 24 hours 39 minutes and 35.244 seconds and all the rest of time units have standard lengths. For example, at midnight your martian clock would show the time as 24:39:35 for a fraction of a second, then wound back to 00:00:00. The calendar then would track the Earth calendar as close as possible, with shortened months to accommodate for the longer day…
I prefer KSR's "time gap". At midnight on mars, everyone just gets a 40 minute period where the clocks don't move.