Show HN: Cron Syntax Cheatsheet

That's a great cheatsheet! I prefer https://crontab.guru, though, since it's super easy to see when the next cronjob will run.

Related:

https://pyformat.info/

http://strftime.org/

This latter actually lacks quite a few like %F %T, I tried to improve its github but it turned out to be a bs4 scraping python's official doc to generate the website.

Is this actually valid syntax?

> "Run at 2PM on the first Saturday of every month"

  0  14  *  *  6#1

I've never seen this ("6#1") used in my ~20 years of using (primarily Vixie) cron. Instead, I've always seen and used a "workaround" such as

  0  14  0-6  *  6

That's not meant to be a cron cheatsheet though. That's a showcase of what this service supports in cron jobs. Also, if it was a cheatsheet, then it'd be a useless one as crontab(5) is roughly 5 pages long and quite digestible. I guess we need a better search frontend for man pages.

I have the crontab format. Also at(1).

We need something much better. It's certainly convenient that it's text, so structuring a crontab entry much more seems undesirable. But still. A better cron is one of many, many, many things on my "to implement some day" list.

Very clear design. Would be cool if it could be made interactive.