Mark, But did the Mayan Calendar not end in recent years - thus the belief the world was coming to an end?
At least I think it started a new cycle. Tony On Monday, August 5, 2019 at 8:16:31 AM UTC+10, Mark S. wrote: > > I did try 0001 -- dates before 0099 get converted to 1899. > > Maybe we should switch to the Mayan calendar. They could track dates back > to the 5th century BC. > > On Sunday, August 4, 2019 at 2:32:32 PM UTC-7, TonyM wrote: >> >> I belive it has being very common to calculate dates based on 1900 01 01 >> of which the result above is the day before. Years come with leap days and >> some centuries turn over without a leap day. As a result to be accurate >> over a long period is quite involved. >> >> Try any date except 0, perhaps 00010000 and see what happens. Zero is >> famous for divide by zero errors and perhaps year zero never existed. >> >> Calendars are supprisingly complex. >> >> Regards >> Tony >> >> -- 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/1099699b-0b66-46d3-bced-0ccfc47036c0%40googlegroups.com.
