AWS EventBridge Cron Expression Generator

Build AWS cron expressions with the 6 fields format, decode examples like cron(0 10 * * ? *) instantly, and see next run times.

Visual Builder

Configure your cron fields visually.

AWS Instance

Minute

Hour

Day of Month

Any (?)

Month

Day of Week

Year

Frequently asked questions

What is the AWS EventBridge cron expression 6 fields format?

AWS EventBridge uses a 6-field format: Minutes, Hours, Day-of-month, Month, Day-of-week, and Year. Note that either Day-of-month or Day-of-week must be a question mark (?).

How does the AWS cron day-of-week 1-7 sun-sat mapping work?

In AWS cron expressions, the day-of-week field uses a 1-7 mapping where 1=SUN and 7=SAT. You can also use three-letter string values like MON-FRI or SUN-SAT instead of numbers.