[Remind-Fans] Request for help with formula

[Jorge Luis]

On Thu, 25 Sep 2008, David F. Skoll wrote:

> Jorge Luis wrote:
> 
> > FSET isFirstFull(date) \
> >   monnum(moondate(2, date)) == monnum(moondate(2, moondate(2, date)+1))
> > REM 1 SATISFY isFirstFull(trigdate())
> > set blue moondate(2, moondate(2, trigdate())+1)
> > MSG Next blue moon is [trigger(blue)]
> 
> > I'd like to refine this in two ways: first, I'd like it to trigger on
> > the date of a blue moon, not on every day preceding it;
> 
> Change the last line to:
> 
> REM [trigger(blue)] MSG It's a blue moon!!!!
> 
> > and second, I'd like to have a similar formula that triggers on the
> > blue moon anniversary of my engagement, that is, on the next blue
> > moon that occurs on a May 31.
> 
> Ooh... that'll be really rare!  Anyway, just change the second line
> from:
> 
> 	REM 1 SATISFY isFirstFull(trigdate())
> 
> to:
> 	REM May 1 SATISFY isFirstFull(trigdate()) && day(moondate(2, moondate(2, trigdate())+1)) == 31
> 
> When I do that, I get:
> 
>      Next blue moon is 31 May 2026
> 
> And in case you're wondering: The one after that isn't until 31 May 2072.

David,

That does it!  Thanks a bunch.  And thanks again for a great coding job.
The capabilities of this program are astounding!

Regards,

	JL

-- 
Jorge Luis <lists at jorge.cc>
This message enhanced for teletypes.