The file is a "cron schedule" [1]. Paste the series of numbers (and the *) into the box on the site below and you'll see it means "midnight on July 19th every y

The file is a "cron schedule" [1]. Paste the series of numbers (and the *) into the box on the site below and you'll see it means "midnight on July 19th every year". The commenter will probably have this in their personal "crontab" file. They're emailing themselves every year on that date. [1] https://crontab.guru/ https://crontab.guru/