Monitoring
Solutions
Resources
Free Tools
Pricing
Free Tools / Cron Expression Parser

Cron Expression Parser

Enter a standard 5-field cron expression to get a plain-English description and the next few run times. Runs in your browser, using your local time zone.

Result appears here

Supports *, single values, ranges (1-5), lists (1,3,5) and steps (*/15). Next-run search looks about 90 days ahead, in your local time zone.

Reading a cron expression

A cron expression has five fields: minute, hour, day of month, month and day of week. Each field can be a value, a range, a list or a step.

*/15 * * * *

Every 15 minutes, all day.

0 9 * * 1-5

At 09:00 on weekdays.

0 0 1 * *

At midnight on the first day of every month.

30 2 * * 0

At 02:30 every Sunday.

Frequently asked questions

Does it support 6-field or Quartz syntax?

No, only the standard 5-field format used by most Linux crontabs.

Which time zone are the next runs in?

Your browser’s local time zone. Your server may use UTC, so double-check.

Can it tell me if my job actually ran?

No. It only explains the schedule. A heartbeat monitor tells you when a job goes silent.

More free tools

Knowing the schedule is half the job. Knowing it ran is the other half.

Upzilla heartbeat monitoring alerts you when a cron job fails to check in.

Start monitoring free →