Cron expression explainer
Read a cron expression in plain English and see the next run times.
At every 15th minute past every hour from 9 through 17 on Monday through Friday.
| Field | Value | Means | Allowed |
|---|---|---|---|
| Minute | */15 | every 15th minute | 0–59 |
| Hour | 9-17 | every hour from 9 through 179, 10, 11, 12, 13, 14, 15, 16, 17 | 0–23 |
| Day of month | * | every day of the month | 1–31, L W ? |
| Month | * | every month | 1–12, JAN–DEC |
| Day of week | 1-5 | Monday through FridayMonday, Tuesday, Wednesday, Thursday, Friday | 0–7, SUN–SAT, L # |
Five fields: minute, hour, day of month, month, day of week. Six fields add seconds at the start, seven add a year at the end. * means every, a-b a range, */n every nth, and lists use commas.
The next 10 run times appear here.
Times are worked out in UTC. When the clocks go forward, times that don't exist are skipped; when they go back, a repeated time runs once.
Valid, 5 fields
- 1Type a cron expression.
- 2Read what it means.
- 3Check the next run times in your time zone.
- Does my data leave my device?
- No. Everything you paste or open is processed in your browser and stays on your device.
- Does it work offline?
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- Is there a size limit?
- No limits from us. Very large inputs can be slow because the work uses your device's memory.
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