Scheduling Recipe trigger to run using cron

Can I create a recipe that uses a cron convention for the trigger? I know there's a scheduler but it only appears to allow me to schedule the trigger for month or less frequency.  

I would like to be able to use cron convention to run a custom schedule where I have a job run once every 4 months on a specific day and time.   

Here's an example of a job that runs at 2:30 on the first day of the months February, June, and October: 30 2 1 2,6,10 *