Cron expression explainer
Translate a cron expression into plain English and see its next 5 runs.
How it works
Fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-6, 0 = Sunday). Supports *, lists (1,15), ranges (1-5) and steps (*/10).
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Cron expression (5 fields)30 8 * * 1-5
you get:
- MeaningAt 08:30, on Monday, Tuesday, Wednesday, Thursday, Friday
- Fieldsminute · hour · day · month · weekday
Frequently asked questions
How does the “Cron expression explainer” tool work?
Fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-6, 0 = Sunday). Supports *, lists (1,15), ranges (1-5) and steps (*/10).
What do I need to enter?
Just fill in: cron expression. The result updates as you type.
Can you give an example?
Cron expression (5 fields): 30 8 * * 1-5 → Meaning: At 08:30, on Monday, Tuesday, Wednesday, Thursday, Friday; Fields: minute · hour · day · month · weekday.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.