On 4/14/2017 9:51 AM, Dennis Lee Bieber wrote:
> On Thu, 13 Apr 2017 23:05:42 +0100, Dr J R Stockton
>  declaimed the following:
>
>> In comp.sys.raspberry-pi message > x.com>, Tue, 4 Apr 2017 12:23:02, Dennis Lee Bieber
>>  posted:
>>
>>>       365.2422 days to a Tropical (solar) year. 365.2425 for Gregorian
>>> (that's why we drop a leap day every four-hundred years). 3
>>> ...
>>
>> No.  We, at least on this side of the Atlantic, drop a quadrennial leap
>> day every one hundred years, except every four hundred years.  It is
>> thought that the librettist of "The Pirates of Penzance" was expecting
>> that 1900-02-29 would fairly soon occur.
>
>  Please swat me on the head -- I did know that (and if I were
> enumerating the leap-day rules rather than looking at fractional years...
> leap day in years divisible by 4 except if also divisible by 100 unless it
> is divisible by 400...

So for your final exam, did we have a leap day in year 2000?  Or is
there another layer to the progression?

--

Rick C

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