Cron Expression Explainer

Paste your cron expression and see, in plain English, when it will run.

Runs 100% in your browser — your data is never sent to a server.

Cron format

Minute Hour Day of month Month Day of week
0-590-231-311-120-6 (0=Sun)

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Frequently Asked Questions

From left to right: minute (0-59), hour (0-23), day of month (1-31), month (1-12), and day of week (0-6, 0=Sunday). Each field supports * (every value), */N (every N units), ranges (1-5), and comma lists (1,15).

Yes, an optional 6th field (seconds) prepended is recognized too — but most standard cron implementations (crontab) only accept the 5-field form.

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