WordPress Cron Core SPT can be used to build Cron expressions, describe them, and manipulate objects.

Use this plugin module for modern CMS website, build cron expression, create cron by expression, display description of cron expression or a section, expression chaining of cron object and sections (seconds, minutes, hours, day/month, months, day/week. Set intervals or specific times on time sections (seconds, minutes, hours), set specific date sections (day/month, months, day/week). Specify allowing seconds (non-standard).

WordPress Cron Core SPT supports apache2, nginx, and domain mail extension.