[Remind-Fans] Repeat every six months

[Tim Chase]

On 2022-03-03 22:24, Michael DeBusk via Remind-fans wrote:
> I have a couple of things of which I'd like to be reminded every six
> months on the last day of the month. March and September,
> specifically.
> 
> I searched the man page and the mailing list archive. I found
> something in the list that suggested the optimal solution was to set
> up two annual events, which I had already done.  

As an alternative, you could have a single event like

  REM 1 --1 SATISFY [$Tm % 6 == 3] MSG Event

The first part ("1 --1") puts the event on the last day of *every*
month, while the SATISFY clause enforces that they can only fall 6
months apart ($Tm % 6) falling on the 3rd/9th months (== 3)

-Tim