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Re: its quiet here - test

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On 10/25/2017 11:51 AM, R.Wieser wrote:
> Mark,
> 
>> The reason being the 25-hour day in November (National mess-
>> with-your-clock day, where the hour 1:00:00 to 1:59:59 AM occurs twice).
> 
> Isn't that day offsetted by another day somewhere in the spring, which is
> only 23 hours long ?  Did you account for that one too ? :-)

It is in the case of finding the days until Christmas, when it's still 
February (when you have BOTH the 23-hour day and the 25-hour day during 
that interval). It does NOT offset it when your interval crosses only 
ONE of those days (in my case, only one [the 25-hour day] comes between 
September and December).


>> Assuming a day always has 24 hours (24 * 60 * 60 = 86400 seconds) is one
>> of the common mistakes people make when working with dates.
> 
> The *most* common one is to try to write them yourself, instead of using the
> ones that are already available. > Just take the two date/times, have the OS convert them from local to UTC

That is irrelevant here, since both the times I'm concerned about 
here(now and Christmas) are local times in the SAME timezone.

> (with respect to its summer/winter time), and you get an *exact* answer
> back, even accounting for the leap second that happens about once every four
> years.  :-)

In this case, I had a correct interval in SECONDS, and needed to convert 
it to days. Perhaps you could explain how you did THAT.

>> 61 days until the winter celebration (Monday December 25, 2017 12:00:00 AM
>> for 1 day).
> 
> As long as you output in days, who cares about that one hour of that 25-hour
> day (and that other one of that 23-hour day) ?
> 
> Regards,
> Rudy Wieser
> 
> 
> 
> 
> 
> 
> "Mark Lloyd" <not@mail.invalid> wrote in message
> news:sO2IB.20191$fc3.527@fx35.iad...
>> On 10/25/2017 01:59 AM, Luuk wrote:
>>> what?
>>>
>>> On 25-10-17 00:01, Mark Lloyd wrote:
>>
>> It was in September when I first wrote the "dtc" (days until Christmas)
>> algorithm. It was expected to change the number of days at midnight, but
>> it was actually changing at 1AM. The reason being the 25-hour day in
>> November (National mess-with-your-clock day, where the hour 1:00:00 to
>> 1:59:59 AM occurs twice).
>>
>> Assuming a day always has 24 hours (24 * 60 * 60 = 86400 seconds) is one
>> of the common mistakes people make when working with dates.
>>
>> -- 
>> 61 days until the winter celebration (Monday December 25, 2017 12:00:00
>> AM for 1 day).
>>
>> Mark Lloyd
>> http://notstupid.us/
>>
>> "Heresy is only another word for freedom of thought." [Graham Greene,
>> 1981]
> 
> 


-- 
60 days until the winter celebration (Monday December 25, 2017 12:00:00
AM for 1 day).

Mark Lloyd
http://notstupid.us/

"He who hears this name [God] from a Jew must inform the authorities, or
else throw sow dung at him when he sees him and chase him away." [Martin
Luther,"On the Jews and Their Lies",1543]

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Re: its quiet here - test Luuk <luuk@invalid.lan> - 2017-10-25 08:59 +0200
  Re: its quiet here - test Mark Lloyd <not@mail.invalid> - 2017-10-25 11:17 -0500
    Re: its quiet here - test "R.Wieser" <address@not.available> - 2017-10-25 18:51 +0200
      Re: its quiet here - test Mark Lloyd <not@mail.invalid> - 2017-10-26 11:47 -0500
        Re: its quiet here - test "R.Wieser" <address@not.available> - 2017-10-27 01:04 +0200
          Re: its quiet here - test Mark Lloyd <not@mail.invalid> - 2017-10-26 18:23 -0500
            Re: its quiet here - test "R.Wieser" <address@not.available> - 2017-10-27 09:25 +0200
              Re: its quiet here - test Mark Lloyd <not@mail.invalid> - 2017-10-27 12:31 -0500

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