What is the field order for a 5-field cron expression?

minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-7, where 0 and 7 are Sunday). The tool shows this as a reminder below the input.

Does it support seconds (6-field cron)?

No. This tool uses standard 5-field cron syntax. Some systems (like Spring Scheduler or Quartz) use a 6-field format with a seconds field — those are not supported here.

Does it support step values like */15?

Yes. The explanation parser handles */n syntax and describes it as 'every n units'. For example, */15 in the minute field is explained as 'every 15 minutes'.

Is my data sent to a server?

No. The explanation runs entirely in your browser. Nothing is transmitted.

Cron Expression Generator

Build cron expressions from presets or type your own — get a plain-English explanation instantly.

How to use this tool

1Click a preset button (e.g. 'Every 15 minutes') to populate the expression field, or type your own 5-field cron expression.
2The plain-English explanation updates instantly below the input.
3Click Copy to copy the cron expression.

About Cron Expression Generator

Cron expressions are powerful but cryptic. '0 */6 * * *' means 'every 6 hours' but you have to know the field order to read it. This tool works in both directions: select from 10 common presets (Every minute, Every hour, Every day at midnight, Every day at noon, Every Monday, Every weekday, Every Sunday, 1st of every month, Every 15 minutes, Every 6 hours) to populate the expression field, or type your own 5-field cron expression and get a plain-English explanation generated by a custom parser. The parser handles * (every), */n (every n units), specific values, and day-of-week ranges (1-5 = Monday to Friday). If the expression doesn't have exactly 5 fields, an 'Invalid cron expression' message is shown. A Copy button copies the expression. The field order is shown as a reminder: minute hour day-of-month month day-of-week. Runs entirely in your browser.

Frequently asked questions

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