Cron Expression Generator
Build the schedule for Joomla's Scheduled Tasks (Joomla 4+), then copy the crontab line.
Cron expression
Full crontab line (Joomla CLI scheduler)
Add the crontab line on your server (e.g.
crontab -e). Replace the
PHP path and site path with yours. Joomla 4/5/6 run scheduled tasks via
cli/joomla.php scheduler:run; running the cron every
minute (* * * * *) is common so due tasks fire on time.