in reply to -- cron next appointments

Thanks for the work.

A quibble though I do have: given something like "0,30 6 * * *", all the execution times ought to be listed for a date without the need of "howmany" (-n) option.

You may be interested in Crab, written in Python, which provides a web browser interface to list cron jobs, control, view logs, etc. with hooks in crontab(5).