Cron Expression Explainer
Developer ToolsExplain cron schedules & next run times
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All history →Cron Expression Explainer — at a glance
Understand a cron schedule at a glance and see exactly when it will run next.
*/15 9-17 * * 1-5
Run
Every 15 minutes, 9–17h, Mon–Fri
How to use it — step by step
A standard 5-field cron expression: minute hour day-of-month month day-of-week.
1
Paste your input
Paste or type your content into the big input box.
2
Explain Cron
Press the button. The result is created instantly on your device.
3
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
✦* means every value; */5 means every 5th.
✦Day-of-week: 0 or 7 is Sunday; names like MON also work.
✦Times shown are in your own timezone.
Quick facts
5 fieldsstandard cron
Next 5 runscalculated
NamesMON, JAN supported
Freeno signup
Frequently Asked Questions
What does */5 mean?+
It means every 5 units — in the minute field, every 5 minutes.
Does it support 6-field cron (seconds)?+
No. It supports the standard 5-field format used by Linux crontab.
What if day-of-month and day-of-week are both set?+
In standard cron the job runs when either one matches.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
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