Cron parser & builder
Paste a cron expression or fill in the fields individually, and see a plain-English explanation plus the next five execution times in your local timezone. Standard 5-field Unix cron with *, lists (1,5,10), ranges (1-5) and steps (*/5, 1-30/2). Month and day name aliases (MON, JAN) are accepted. Runs entirely in your browser.
Quick reference
| Symbol | Meaning |
|---|---|
* | Any valid value |
5 | Exact value |
1,3,5 | List of values |
1-5 | Range (inclusive) |
*/15 | Every 15 steps (from 0) |
1-30/2 | Range with step |
MON, JAN | Name aliases for days / months |
When both day-of-month and day-of-week are specified: cron matches when either matches (standard Vixie cron behaviour).