Cron Expression Generator
The Cron Expression Generator builds valid cron schedules from visual fields or common presets, and explains in plain English when a schedule will run.
Cron without the guesswork
A cron expression has five fields - minute, hour, day of month, month, and day of week. Getting them right by hand is error-prone. This tool lets you pick values or a preset (every hour, daily at midnight, every Monday) and produces the exact expression, plus a human-readable description so you can confirm it means what you intend.
Where cron is used
Cron drives scheduled tasks on Linux servers, CI pipelines, backups, and countless automation platforms that borrow its syntax. A wrong asterisk can run a job far too often, so verifying the description before deploying saves real trouble. Everything is generated locally.
Frequently Asked Questions
What are the five cron fields?
Minute, hour, day of month, month, and day of week - in that order. Each accepts specific values, ranges, or wildcards.
What does an asterisk mean in cron?
An asterisk means "every" value for that field. For example, * in the minute field means every minute.
Does it explain the schedule in plain English?
Yes. It translates the expression into a readable description so you can confirm the timing before using it.
Where can I use the generated expression?
In Linux crontabs, CI/CD pipelines, and many automation and scheduling tools that use cron syntax.
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