The */ syntax means every N units. */5 in the minute field means every 5 minutes. */2 in the hour field means every 2 hours.

Are the next run times accurate?

The next run times are calculated in your browser using your local timezone. Your actual cron daemon runs in the server timezone, which may differ. The times shown are approximate and for reference only.

Cron Expression Builder — Build & Decode Cron Schedules

* * * * *

Every minute

Minute
0–59

Hour
0–23

Day
1–31

Month
1–12

Weekday
0–6 Sun=0

Parse existing cron expression

About the Cron Expression Builder

Cron is a time-based job scheduler used in Unix-like systems to run commands at specified times. Cron expressions define the schedule using five fields: minute, hour, day of month, month, and day of week.

Special characters

* — any value
*/n — every n units (e.g. */5 = every 5 minutes)
n-m — range (e.g. 1-5 = Monday through Friday)
n,m — list (e.g. 0,12 = midnight and noon)

Frequently Asked Questions

What is a cron expression?

Five space-separated fields defining a schedule: minute, hour, day-of-month, month, day-of-week. Special chars: * (any), /n (every n), n-m (range), n,m (list).

What does */5 mean?

Every 5 units — */5 in minutes = every 5 minutes, */2 in hours = every 2 hours.

Are next run times accurate?

Times are calculated in your browser timezone. Your server may use a different timezone, so treat these as approximate.

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