Question 1

What is the AWS EventBridge cron expression 6 fields format?

Accepted Answer

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 (?).

Question 2

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

Accepted Answer

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.