Groups > comp.lang.basic.visual.misc > #351

Re: Possible Date Bug

From	"Nobody" <nobody@nobody.com>
Newsgroups	comp.lang.basic.visual.misc
Subject	Re: Possible Date Bug
Date	2011-07-16 03:48 -0400
Organization	Aioe.org NNTP Server
Message-ID	<ivrfpf$msr$1@speranza.aioe.org> (permalink)
References	<KL+b9hCUxcHOFwaT@invalid.uk.co.demon.merlyn.invalid> <ivljkd$bqi$1@speranza.aioe.org> <hcJhIUE03KIOFwHE@invalid.uk.co.demon.merlyn.invalid>

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"Dr J R Stockton" <reply1128@merlyn.demon.co.uk> wrote in message 
news:hcJhIUE03KIOFwHE@invalid.uk.co.demon.merlyn.invalid...
> In 2003, as you may recall, December 29th was a Monday.  The nearest
> Thursday was January 1st 2004, and the ISO 8601 week number was
> therefore 1, written "01".
>
> Perhaps you are not familiar with ISO 8601?
>
> There are errors for 2003-12-29, 2007-12-31, and 2019-12-30, in
> IE4, IE6, IE7 &amp; IE8 - intervals 4, 12, 12 years recurring,
> except across missing Leap Years (I did not test IE5).  There is a
> different error for 2101-01-02, +/- any multiple of 400 years.
>
> You did not say what version of VB gave what result.

You are right. Searching for "DatePart bug" in MSKB shows this article:

BUG: Format or DatePart Functions Can Return Wrong Week Number for Last 
Monday in Year
http://support.microsoft.com/kb/200299

VB6+SP5 on XP Pro+SP2 returns 53 for the code line that you posted in the 
OP.

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Thread

Possible Date Bug Dr J R Stockton <reply1128@merlyn.demon.co.uk> - 2011-07-13 17:48 +0100
  Re: Possible Date Bug "Nobody" <nobody@nobody.com> - 2011-07-13 22:17 -0400
    Re: Possible Date Bug Dr J R Stockton <reply1128@merlyn.demon.co.uk> - 2011-07-15 22:15 +0100
      Re: Possible Date Bug "Henning" <computer_hero@coldmail.com> - 2011-07-16 01:35 +0200
        Re: Possible Date Bug "Henning" <computer_hero@coldmail.com> - 2011-07-16 01:40 +0200
        Re: Possible Date Bug Dr J R Stockton <reply1128@merlyn.demon.co.uk> - 2011-07-17 18:39 +0100
      Re: Possible Date Bug "Nobody" <nobody@nobody.com> - 2011-07-16 03:48 -0400
        Re: Possible Date Bug Dr J R Stockton <reply1128@merlyn.demon.co.uk> - 2011-07-17 19:32 +0100

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