Cron Expression Helper
Translate a cron expression into plain English and preview when it runs.
In plain English
Next 5 runs (your local time)
About the Cron Expression Helper
Cron schedules jobs using five fields — minute, hour, day-of-month, month and day-of-week. The syntax is terse and easy to get wrong; this helper translates it into a sentence and shows the next run times.
Use it to sanity-check a crontab entry before deploying it to a server, or to learn cron by experimenting with the presets.
Frequently asked questions
In order: minute (0-59), hour (0-23), day of month (1-31), month (1-12) and day of week (0-7, where 0 and 7 are Sunday).
A step value — “every 5” of that unit. In the minute field, */5 means every 5 minutes.
Standard Unix cron does not support seconds; the smallest interval is one minute. Some schedulers add a sixth seconds field.