Add Interpret Cron Schedule From The CLI as a Unix TIL

unix/interpret-cron-schedule-from-the-cli.md

@@ -0,0 +1,22 @@
+# Interpret Cron Schedule From The CLI
+
+I encounter cron task schedules infrequently enough that I don't remember how
+to reliably interpret them at a glance. So when I'm looking over some code and
+I see something like `12 2,16 * * *`, I need to translate it to a
+human-readable format.
+
+I've typically opened up a browser tab to
+[crontab.guru](https://crontab.guru/#12_2,16_*_*_*) for this. However, I did
+just learn about a tool for getting the same information from the CLI.
+
+With the [`hcron`](https://github.com/lnquy/cron) binary, I can pass in a
+single cron schedule and get the same details right from my terminal.
+
+```bash
+$ hcron '12 2,16 * * *'
+12 2,16 * * *: At 02:12 AM and 04:12 PM
+```
+
+I decided to clone this repo, build the binary from source (it is Go), and then
+place the `hcron` binary in my `~/bin` directory which is on my path. Once I
+did that, I could start using the command like above.