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Re: current date - 1 day?
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Re: current date - 1 day?


  • Subject: Re: current date - 1 day?
  • From: "John W. Baxter" <email@hidden>
  • Date: Mon, 16 Feb 2004 23:23:39 -0800

On 2/16/2004 22:59, "Stephen Schaefer" <email@hidden> wrote:

> Probably simple newbie question, so hopefully a simple answer: why
> does "yesterday" result in "-86383" instead of 16 (as in today is the
> 17th, so yesterday would be the 16th)? Thanks
>
> set theDate to current date
> set d to day of theDate
The d variable now contains 17. This is measured in days from the first of
the month.
> set m to month of theDate
> set y to year of theDate
> set ts to time string of theDate
> set yesterday to (d) - (1 * days)
[1 * days is 86400, the number of seconds in a day.]
The yesterday variable now now contains 17 - 86400, or -86383
> set mesg to "Here's info about today:" & return & ,
> "time: " & ts & return & ,
> "day: " & d & return & ,
> "month: " & m & return & ,
> "year: " & y & return & ,
> "yesterday: " & yesterday & return
> display dialog mesg

Use either something based on
set yesterday to (current date) - (1 * days) --it's now a date type
or based on
set yesterday to d - 1 --it's now an integer number of days, and you'll
have problems on the first of the month
depending on which you want.

--John
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