What is a Cron Expression Builder?
A visual tool for building cron schedule expressions used in Linux, cloud services, and CI/CD pipelines. Select minutes, hours, days, and months interactively, or paste an existing expression to see its human-readable description.
Frequently Asked Questions
What is cron syntax?
Five fields: minute (0–59), hour (0–23), day-of-month (1–31), month (1–12), day-of-week (0–7).
Can I test my expression?
Yes. The builder shows the next several execution times to verify correctness.
Does it support 6 fields?
Standard 5-field format is supported. Some systems add a 6th field for seconds.