cron
Arch Linux
https://wiki.archlinux.org/title/cron
$ pacman -S cronie
$ systemctl enable cronie
systemd/Timers - ArchWiki
How to Use Cron on Linux: Tips, Tricks, and Examples
無料でcronの設定を簡単に作成しカレンダーで可視化できる「Cron job editor」 - GIGAZINE