Every 5 minutes
Input
*/5 * * * *
Output
Runs every 5 minutes.
Cron Expression Explainer
Paste a cron expression or simple EventBridge schedule to see the parsed fields, plain-language explanation, and approximate next run times.
Developer tools
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What it helps with
- Check a schedule before adding it to a job
- Understand copied cron expressions
- Debug common cron field mistakes
How to use
- Enter a standard 5-field cron expression, or a simple EventBridge rate(...) / cron(...).
- Review the parsed minute, hour, day, month, and weekday fields.
- Check the plain-language explanation and approximate next run times.
Examples
Weekday morning
Input
0 9 * * 1-5
Output
Runs at 09:00 Monday through Friday.
Monthly at 2:30
Input
30 2 1 * *
Output
Runs at 02:30 on the first day of each month.
EventBridge rate
Input
rate(5 minutes)
Output
Runs every 5 minutes.
Good to know
- Standard 5-field cron is supported.
- Simple EventBridge rate(...) and cron(...) expressions are supported, but advanced AWS extensions may differ.
- Seconds fields are not supported.
- Timezone is the browser's local timezone.
- Cron syntax may differ by platform.
FAQ
- Does this support seconds or year fields?
- Seconds fields are not supported. Simple EventBridge cron(...) expressions can include a year field, but advanced platform-specific syntax may differ.
- Which timezone is used?
- Approximate next run times use the browser's local timezone.
- Can cron syntax differ by platform?
- Yes. This tool covers common 5-field cron syntax plus simple EventBridge rate(...) and cron(...), but platforms may add their own extensions.