Re: Re: Timestamp format questions

[Carsten Dominik <carsten.dominik@gmail.com>]

On Jun 8, 2010, at 11:13 AM, Joost Kremers wrote:

> On Mon, Jun 07, 2010 at 02:40:30PM -0400, Matt Lundin wrote:
>> You can use diary sexps to schedule more complex appointments.
>>
>> ,---- (info "(org) Timestamps")
>> | DIARY-STYLE SEXP ENTRIES
>> |      For more complex date specifications, Org mode supports  
>> using the
>> |      special sexp diary entries implemented in the Emacs calendar/ 
>> diary
>> |      package.  For example
>> |
>> |           * The nerd meeting on every 2nd Thursday of the month
>> |             <%%(diary-float t 4 2)>
>> `----
>>
>> See also the following FAQ entry:
>> http://orgmode.org/worg/org-faq.php#diary-sexp-in-org-files
>
> Thanks! It seems, though, that this is a very new function,  
> Aquamacs' Org-mode
> doesn't contain it... I guess I'll have to find out how to update  
> the Org-mode
> that comes with Aquamacs...
>
>> The function org-diary-class nicely covers the scenario above:
>>
>> --8<---------------cut here---------------start------------->8---
>> * 12:00-14:00 Weekly class
>> <%%(org-diary-class 4 8 2010 7 8 2010 4)>
>> --8<---------------cut here---------------end--------------->8---
>>
>> http://orgmode.org/worg/org-faq.php#org-diary-class
>
> Is it still possible to schedule the time of the event as well?

It is already there, 12-14!

>
> (I'm a bit surprised, though, that the format is `Month Day Year',  
> when normally
> Org-mode uses `Year Day Month'... ;-)

I hate this as well, but the decision was to be consistent within sexp  
commands.
Calendar date format applied to all other sexp commands from the  
diary....

Sometimes you have to make difficult choices.... :-)

- Carsten


>
>>> Also, is there a way to say that a certain event that occurs every
>>> week does not occur on one specific date? For example, I teach a  
>>> class
>>> every Thursday, but the Thu. 13th of May was Ascension Day, so the
>>> class was cancelled. I would like the event to not show up on such
>>> days.
>>
>> --8<---------------cut here---------------start------------->8---
>> * 12:00-14:00 Weekly class
>> <%%(org-diary-class 4 8 2010 7 8 2010 4 19)>
>>                                        ;; iso number of the week to  
>> skip
>> --8<---------------cut here---------------end--------------->8---
>
> Great, thanks!
>
> Joost
>
> -- 
> Joost Kremers
> Life has its moments
>
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- Carsten