Editing Talk:2636: What If? 2 Countdown
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: I would suggest using 365.2425 days per year, as that's consistent with current leap year conventions. [[User:Dansiman|Dansiman]] ([[User talk:Dansiman|talk]]) 21:49, 23 June 2022 (UTC) | : I would suggest using 365.2425 days per year, as that's consistent with current leap year conventions. [[User:Dansiman|Dansiman]] ([[User talk:Dansiman|talk]]) 21:49, 23 June 2022 (UTC) | ||
:: Did not see your comment, but already done trivial replacement. No recalculation that goes more complicated than magnitude, though. | :: Did not see your comment, but already done trivial replacement. No recalculation that goes more complicated than magnitude, though. | ||
| − | ::(For the mathematically curious, in the Gregorian calendar it's normally 365 days, but a leap day every four years (+0.25 => 365.25), except no leap day every century (-0.01 => 365.24), except there is every fourth century (+0.0025 => 365.2425). Which is very very close to the more astronomically-precise figure of 365.2422, at least at this point in our planet's history and definitely over the timescale of the Gregorian calendar itself. | + | ::(For the mathematically curious, in the Gregorian calendar it's normally 365 days, but a leap day every four years (+0.25 => 365.25), except no leap day every century (-0.01 => 365.24), except there is every fourth century (+0.0025 => 365.2425). Which is very very close to the more astronomically-precise figure of 365.2422, at least at this point in our planet's history and definitely over the timescale of the Gregorian calendar itself.) |
::On the other hand, the old adage is "no use being precise over imprecise details". One can perhaps apply it to nominal decades (the true average decade; though a given decade might be 10*365 days plus either ''two'' or ''three'' leap-days, for 3652.5±0.5 days in that instance... not equally likely each way, though) but the Generations calculation already ''assumes'' 27 years per generation (not even 27.5, exactly half way between 22 and 33, which already seems a dubious backformation to suit other purposes) and gets a good-enough ''approximate'' number. Using a factor precise to around 1 in 146000 alongside one that's unlikely to be even as accurate as 1 in 54 is a bit rich and overly anal (rather than analytic) in the long-run. | ::On the other hand, the old adage is "no use being precise over imprecise details". One can perhaps apply it to nominal decades (the true average decade; though a given decade might be 10*365 days plus either ''two'' or ''three'' leap-days, for 3652.5±0.5 days in that instance... not equally likely each way, though) but the Generations calculation already ''assumes'' 27 years per generation (not even 27.5, exactly half way between 22 and 33, which already seems a dubious backformation to suit other purposes) and gets a good-enough ''approximate'' number. Using a factor precise to around 1 in 146000 alongside one that's unlikely to be even as accurate as 1 in 54 is a bit rich and overly anal (rather than analytic) in the long-run. | ||
::But this is explainxkcd, so I'm not saying it's misplaced, just that those who would be pedantic about everything (myself included) might find themselves even more out-pedanted in very reasonable circumstances... ;) [[Special:Contributions/172.70.162.77|172.70.162.77]] 22:47, 23 June 2022 (UTC) | ::But this is explainxkcd, so I'm not saying it's misplaced, just that those who would be pedantic about everything (myself included) might find themselves even more out-pedanted in very reasonable circumstances... ;) [[Special:Contributions/172.70.162.77|172.70.162.77]] 22:47, 23 June 2022 (UTC) | ||
