Cron Expression Explainer
Translate any cron expression into plain English instantly. Supports 5-field and 6-field formats.
┌─ minute (0–59)
│ ┌─ hour (0–23)
│ │ ┌─ day of month (1–31)
│ │ │ ┌─ month (1–12 or JAN–DEC)
│ │ │ │ ┌─ day of week (0–7 or SUN–SAT; 0 and 7=Sunday)
│ │ │ │ │
* * * * *
│ ┌─ hour (0–23)
│ │ ┌─ day of month (1–31)
│ │ │ ┌─ month (1–12 or JAN–DEC)
│ │ │ │ ┌─ day of week (0–7 or SUN–SAT; 0 and 7=Sunday)
│ │ │ │ │
* * * * *
Pure browser JavaScript — no external libraries.
How to use this tool
- Enter a cron expression (e.g. 0 9 * * 1-5).
- The human-readable description updates instantly.
- Use the field reference at the bottom as a reminder.
Translate any cron expression into plain English instantly. Supports 5-field and 6-field formats.
Frequently asked questions
- What is 6-field cron?
- Some schedulers add a seconds field as the first field. This tool auto-detects and skips it.