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Re: even elder races get tired of waiting
From: |
Jean Louis |
Subject: |
Re: even elder races get tired of waiting |
Date: |
Sun, 21 Mar 2021 20:13:27 +0300 |
User-agent: |
Mutt/2.0.6 (2021-03-06) |
* Jude DaShiell <jdashiel@panix.com> [2021-03-21 18:13]:
> Usually when this kind of question comes up it's in connection with business
> and close of business on given days. So business open on monday to close of
> business on Friday given it's the same week would be 5 days.
Yes, when it is so practical it has clear meaning.
On my side I am using periods of time to estimate completion dates.
>From 21st to 22nd is definitely one day, but we did not say when is
begin and when is end exactly.
SELECT DATE(DATE '2021-03-21' + interval '1 days');
date
------------
2021-03-22
then from this SQL result I can see that result deducted from Friday
12th for 5 days yields 7th March at 00:00 o'clock, so then I can think
that in that case Friday was not calculated, I can assume calculation
was from Friday 00:00 o'clock, it does not include full Friday.
Friday deducted for 5 days does not yield Monday, it yields Sunday
00:00 o'clock.
SELECT '2021-03-12'::date - interval '5 days';
?column?
---------------------
2021-03-07 00:00:00
Thus computers must start from somewhere, when computer is asked how
much is Friday deducted for 5 days, the answer will be Sunday, 00:00
o'clock.
Human will say that 5 days work from Monday ends on Friday, there is
no Sunday involved.
- Re: even elder races get tired of waiting, (continued)
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/22
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/22
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/22
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/22
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/22
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22
- Re: even elder races get tired of waiting,
Jean Louis <=
- Re: even elder races get tired of waiting, Jude DaShiell, 2021/03/21
- Re: even elder races get tired of waiting, Emanuel Berg, 2021/03/21
- Re: even elder races get tired of waiting, Jean Louis, 2021/03/22