Cron Expression Parser
Paste any standard 5-field cron expression and see what it does. Each field is explained in plain English, mistakes are flagged with clear messages, and the next 8 run times are calculated from your reference date.
Five fields separated by spaces: minute, hour, day of month, month, day of week.
The next 8 run times are calculated forward from this moment.
Common presets
Field breakdown
| Field | Value | Plain English meaning |
|---|---|---|
| Enter an expression above. | ||
Next 8 run times
- Waiting for a valid expression.
How to use
- Type or paste a 5-field cron expression, or click a preset.
- Set the reference date and time (defaults to now).
- Read the plain English breakdown and check the next 8 run times.
Cron field reference
| Field | Allowed values | Special characters |
|---|---|---|
| Minute | 0-59 | * any value · , list · - range · / step |
| Hour | 0-23 | |
| Day of month | 1-31 | |
| Month | 1-12 (or JAN-DEC) | |
| Day of week | 0-7, 0 and 7 both mean Sunday (or SUN-SAT) |
Note
When both day of month and day of week are restricted, a run happens when either one matches. Day of week 7 is treated as Sunday. This tool parses standard 5-field cron only, with no seconds field.