sys-process/anacron
Homepage: http://anacron.sourceforge.net/
Description: a periodic command scheduler
https://en.wikipedia.org/wiki/Anacron
/etc/anacrontab:
# format: period delay job-identifier command
## If you turn any of the following on, make sure that the
## regular cron daemon does not run them also. This could
## lead to double execution of the jobs.
1 5 cron.daily run-parts /etc/cron.daily
7 10 cron.weekly run-parts /etc/cron.weekly
30 15 cron.monthly run-parts /etc/cron.monthly
