Drew Wutka
DWUTKA at marlow.com
Wed Nov 19 15:13:40 CST 2003
That's my answer too. Of course, I don't think I have ever used the DateAdd
function. I just use plain old math when adding date/time info.
Drew
-----Original Message-----
From: Gary Kjos [mailto:garykjos at hotmail.com]
Sent: Wednesday, November 19, 2003 3:01 PM
To: accessd at databaseadvisors.com
Subject: Re: [AccessD] Pop-quiz: DateAdd() and negative time values
or f) None of the above?
it should be 12/29/1899 11:00 pm shouldn't it?
Gary Kjos
garykjos at hotmail.com
>From: Gustav Brock <gustav at cactus.dk>
>Reply-To: Access Developers discussion and problem
>solving<accessd at databaseadvisors.com>
>To: Access Developers discussion and problem
>solving<accessd at databaseadvisors.com>
>Subject: [AccessD] Pop-quiz: DateAdd() and negative time values
>Date: Wed, 19 Nov 2003 18:40:02 +0100
>
>Boring day.
>So here's a quick quiz to wake you up.
>
>The time value of #02:00 AM# equals
>
> 12/30/1899 02:00 AM
>
>What does - off your head - this expression return:
>
>? Format(DateAdd("h", -3, #02:00 AM#),"mm\/dd\/yyyy hh\:nn AM/PM")
>
>a) 12/30/1898 11:00 PM
>b) 12/30/1899 01:00 AM
>c) 12/30/1899 05:00 AM
>d) 12/30/1899 05:00 PM
>e) 12/30/1899 11:00 PM
>
>The tricky part is DateAdd(). Format(), it is only for ensuring a
>consistent format of the return value.
>
>Morale: Be careful with negative time values.
>
>/gustav
>
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