5-field cron schedule
Domain: Automation & Scheduling
Motivation
The classic cron format uses five fields: minute, hour, day of month, month, and day of week.
Concrete Example
You write 30 7 * * 1-5 to run at 7:30am on weekdays. Each field controls one part of the schedule.
Analogy
Like a combination lock: each dial sets one digit and together they define the exact time.