puppetlabs/puppet — pull request #725 by hcgrove (2012-04-27 13:56:06+00:00)
Title: Allow 1/2 syntax in cron files,...

to allow people to run cron jobs regularly with an offset.

I have a service that I want to run 4 times an hour, but on different times on different hosts (as the service contacts a server that would die if every server connected at the same time. The nice way to do that is a cron job that runs at /15.