Cron Expression Builder
Build and explain 5-field cron schedules with presets for common jobs.
100% client-side — your data never leaves this device.
Presets
Builder
minutehourdaymonthweekday
Explanation
At Minute 0, Hour 9, on every day of month, in every month, on Day of week from Monday through Friday.
Format
* * * * *minute (0–59), hour (0–23), day of month (1–31), month (1–12), day of week (0–6, Sunday=0). Uses standard 5-field cron (not seconds).
Cron made readable
Use presets or edit the five fields (minute, hour, day, month, weekday). Get a human-readable explanation before pasting into crontab or a job scheduler.