Cron Expression Explainer
Explain a cron schedule expression in plain English.
How to use Cron Expression Explainer
Three quick steps — no sign-up needed
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Step 1
Paste a cron expression
Enter a standard cron schedule (minute hour day month weekday).
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Step 2
Read the plain-English meaning
See when the job is intended to run in everyday language.
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Step 3
Adjust and re-check
Edit the expression until the description matches the schedule you want.
About Cron Expression Explainer
Cron Expression Explainer translates crontab-style schedules into plain English so you can verify jobs before deploying them. Engineers searching "cron parser", "what does this cron mean", or "explain crontab" want confidence that 0 3 * * * really means daily at 03:00.
Paste a cron expression and read the description. Classic cron has five fields (minute, hour, day of month, month, day of week). Some platforms add seconds or special macros (@daily) - those variants may not match classic five-field parsers.
Timezone is usually the server timezone unless your orchestrator documents otherwise. Always confirm in staging; a wrong schedule can miss backups or fire too often.
An explanation aid - not a scheduler that runs jobs for you.
Benefits of Cron Expression Explainer
Frequently asked questions
How many fields does standard cron have?
Five: minute, hour, day of month, month, day of week (some systems add seconds).
Does this run my job?
No - it only explains the expression.
Which timezone applies?
Whatever timezone the host or platform uses - check your runtime docs.
Why is my expression invalid?
Out-of-range values or wrong field count are common issues.
Are @hourly macros supported?
Support depends on the parser; classic numeric fields are the usual input.