You get the number. You add the future number of days. You convert back. Except the "convert back" part hasn't been written.
On Monday, October 14, 2019 at 5:38:29 PM UTC-7, Dave wrote: > > How would this actually work? (looking for the same thing) > > I tried <<g 2019 11 14>> and got an answer of 738908.3635 > <http://127.0.0.1:8080/#738908.3635> > > > Thanks > - Dave > > On Tuesday, August 20, 2019 at 1:18:41 PM UTC-6, Mat wrote: >> >> Hi Mark >> >> I found this algo >> >> >> https://web.archive.org/web/20170507133619/https://alcor.concordia.ca/~gpkatch/gdate-algorithm.html >> >> It should be enough with our new math functions. As an experiment I made >> the first part (the g function): >> >> \define g(y, m, d) >> <$set name=m value={{{ [[$m$]add[9]remainder[12]] }}}> >> <$set name=y value={{{ [<m>divide[10]subtract[$y$]negate[]] }}}> >> <$set name=y4 value={{{ [<y>add[4]] }}}> >> <$set name=y100 value={{{ [<y>divide[100]] }}}> >> <$set name=y400 value={{{ [<y>divide[400]] }}}> >> <$set name=m3 value={{{ [<m>multiply[306]add[5]divide[10]] }}}> >> {{{ >> [[365]multiply<y>add<y4>subtract<y100>add<y400>add<m3>add[$d$]subtract[1]] >> }}} >> </$set></$set></$set></$set></$set></$set> >> \end >> >> This seems to work but it is only half of what is needed so I can't tell >> for sure. What you're asking for is >> >> d(g(y,m,d) + n) >> >> >> which thus requires the d function and maybe also to mess a bit with the >> <<now>> macro to extract the desired bits. Or maybe it could be integrated >> into the function for a more elegant solution. >> >> Tell me if you need more help and I'll fiddle a bit more. I'm a bit heavy >> on work for some time but I'm a tiddly junkie so small and well defined >> bits like these... >> >> <:-) >> >> >> -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/15d0e743-e87f-433b-82db-b6f9c5097fd9%40googlegroups.com.
