Cron Parser
Parse and understand 5-field cron expressions with instant human-readable explanations.
Expression Guide
Field order:
1) minute (0-59)
2) hour (0-23)
3) day of month (1-31)
4) month (1-12)
5) weekday (0-7, Sun=0 or 7)
Common symbols:
* any value
*/n step
a/n start+step
a,b list
a-b range
a-b/n ranged step
Parsed Result
Minute: every 5 minute
Hour: every hour
Day of month: every day
Month: every month
Weekday: every weekday
Human summary: Runs on every day in every month, every weekday, at every hour and every 5 minute.
How To Use & FAQ
How to use: Paste a 5-field cron expression in minute/hour/day/month/weekday order.
Q: Is this Quartz 6/7-field cron? A: No, this tool targets standard 5-field cron.
Q: Why does weekday start at 0? A: In common cron systems, Sunday is 0 (or 7 in some implementations).
Reference Links
This parser validates standard 5-field cron only. Links marked as Different format are useful references but use a different cron dialect.
Linux crontab(5) manualCompatible with this parser
Classic 5-field cron reference used by many Unix/Linux environments.
AWS EventBridge cron docsDifferent format
AWS cron uses a 6-field format and platform-specific rules, so it is not directly compatible with this parser.
Google Cloud Scheduler cron docsCompatible with this parser
Google Cloud guidance for production scheduler cron expressions (5-field style).
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