Talk:Calendar: Difference between revisions

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: Yes. And this reminds me of [[Talk:Holidays_related_to_Easter|easter]]. --[[User:Rdm|Rdm]] 18:22, 31 May 2011 (UTC)
Maybe a the switch over date should be an argument, defaulting to the British date of switch? I am also a bit curious as to what dating system the [[wp:International Astronomical Union|International Astronomical Union]] use. Maybe there is standard for year/date definitions in [[wp:Common_Era|BCE and CE]]?
:: The IAU uses the Gregorian calendar proleptically even for dates long before its inception. (Many of the dates they deal with are so far in the past that the difference between the introductions of the Julian and Gregorian calendarcalendars is a tiny fraction of time, relatively.) They also generally don't use BCE dates, instead continuing the CE era backward into 0 and negative numbers (so 1 BCE is 0 CE, 2 BCE is -1 CE, etc.) --~~
 
Or... Another task could be to calculate the locale date and time, based on latitude, longitude, (altitude?) AND date. Ouch... to tough for me.
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