Is day-of-week 0 or 7 Sunday?

Both 0 and 7 commonly map to Sunday in the parser; check the field legend shown in output.

Does timezone affect next runs?

Yes. Select the timezone that matches where the cron job executes.

Why is my expression invalid?

Out-of-range values, too many fields, or unsupported special characters trigger parser errors.

Cron Expression Explainer

Explain a cron expression and list its next scheduled run times. Supports common five-field expressions and six-field expressions with seconds.

Files and content are processed locally in your browser and are not uploaded to our server.

About this tool

Enter a cron expression to see what each field means and when it will run next. Choose the time zone used by the scheduled task and check several upcoming execution times directly in your browser.

How to use

Explain standard five-field cron expressions
Support an optional seconds field
List the next scheduled run times
Show clear errors for invalid expressions
Include several common examples
Enter an expression: Paste a cron expression such as 0 9 * * 1-5.
Choose a time zone: Select the time zone used by the scheduled task.
Review the schedule: Read the field explanation and upcoming run times.

Examples

Check a GitHub Actions schedule before saving it
Explain an existing crontab entry
Review backup times after a daylight-saving change
Find an incorrect day-of-week value

Limitations

Support for nonstandard aliases such as @yearly depends on the syntax supported by the tool
The tool lists upcoming runs and does not reconstruct past executions
The entered Cron expression is processed directly in your browser and is not sent to a server.

FAQ

Is day-of-week 0 or 7 Sunday?: Both 0 and 7 commonly map to Sunday in the parser; check the field legend shown in output.
Does timezone affect next runs?: Yes. Select the timezone that matches where the cron job executes.
Why is my expression invalid?: Out-of-range values, too many fields, or unsupported special characters trigger parser errors.