Cron Expression Generator

Build and decode cron expressions with a visual builder, schedule heatmap, next-run preview and copy-ready snippets for crontab, GitHub Actions, Kubernetes, Node and Python.

Cron expression

Live preview

Expression ?

Builder ?

Minute

Hour

Day of month

Month

Day of week

Presets

Timezone ?

Schedule Valid

—

Next run: —

Runs per day

—

Runs per week

—

Runs per year

—

Schedule heatmap

Day × hour coverage

Less More

Fields

—

Minute

—

Hour

—

Day

—

Month

—

Weekday

—

Next run times

Up to 8 upcoming

Copy as

Use in your stack

—

Syntax cheatsheet

Fields: minute hour day month weekday. Use * for any, , for lists, - for ranges, and /n for steps. Weekday 0 and 7 both mean Sunday; MON-FRI works too.

Cron expression

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