Cron Explainer help

Cron format (5 fields)

Most expressions use five fields in this order: minute, hour, day of month, month, day of week.

* * * * *

Common examples

• 0 9 * * 1-5 - every weekday at 09:00
• */15 * * * * - every 15 minutes
• 0 */2 * * * - every 2 hours

Common mistakes

Avoid using out-of-range values (for example minute 60), missing fields, or extra spaces. Use numbers, ranges (1-5), lists (1,3,5), and steps (*/10) correctly.