Cron Builder for AWS Lambda & EventBridge
Quick Answer: AWS EventBridge uses 6-field cron: (minute hour day-of-month month day-of-week year). Note: AWS cron has a year field and uses ? for "no specific value" in either day-of-month or day-of-week. Build your schedule and preview execution times.
Cron Expression
* * * * *
Plain English
every minute, of every hour
Next 5 Run Times
4/12/2026, 3:54:00 PM
4/12/2026, 3:55:00 PM
4/12/2026, 3:56:00 PM
4/12/2026, 3:57:00 PM
4/12/2026, 3:58:00 PM
FAQ
How is AWS cron different from standard cron?
AWS adds a year field (6 fields total) and uses ? instead of * for the day field you do not specify. You cannot use * in both day-of-month and day-of-week.
Can I use rate expressions instead of cron?
Yes. AWS also supports rate(5 minutes), rate(1 hour), rate(1 day) for simple recurring schedules. Use cron only when you need specific times.