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Cron Expression Parser
Paste a 5-field cron expression (or a preset like @daily) and get a human-readable description plus a field-by-field breakdown.
This runs
“at 09:00, on Monday to Friday”
0
Minute
9
Hour
*
Day of month
*
Month
1-5
Day of week
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What does it tell me?＋
It translates a cron expression into plain English so you can confirm when a scheduled job will actually run.
Which cron format does it use?＋
Standard five-field cron: minute, hour, day-of-month, month and day-of-week.
Why isn't my job running when I expect?＋
A common gotcha is setting both day-of-month and day-of-week — cron treats them as OR, so the job runs whenever either one matches.