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Cron expression tester

Enter a cron expression and a time zone to check its syntax and see its next run times.

Next run times

  1. Thursday October 15, 2026, 03:00
  2. Friday October 16, 2026, 03:00
  3. Saturday October 17, 2026, 03:00
  4. Sunday October 18, 2026, 03:00
  5. Monday October 19, 2026, 03:00

The five fields of a cron expression

1 Minute 0 to 59
2 Hour 0 to 23
3 Day of month 1 to 31
4 Month 1 to 12
5 Day of week 0 to 6, 0 = Sunday
*
any value
,
a list of values: 1,15
-
a range: 1-5
/
a step: */15 for every 15 minutes

Common examples

*/5 * * * * Every 5 minutes 0 * * * * Every hour 0 3 * * * Every day at 3:00 AM 30 8 * * 1-5 Monday to Friday at 8:30 AM 0 0 * * 0 Every Sunday at midnight 0 2 1 * * On the 1st of every month at 2:00 AM

Questions

Cron expression FAQ

Which time zone does a cron job run in?

The server's, unless configured otherwise. Choose it here to see the exact dates, including daylight saving time changes.

What does */15 mean?

Every 15 units of the field: in the minutes field, every 15 minutes.

How do I know if my cron job ran?

By having it report each run to a heartbeat monitoring service such as LucidStack, which alerts you if the ping is missing.

Are the @daily or @hourly macros supported?

Yes, @yearly, @monthly, @weekly, @daily and @hourly are recognized.

Related pages

Cron job monitoring Backups, imports, invoices: know when a job fails to run. Learn more Cronitor alternative Import your Cronitor jobs and keep monitoring your crons. Learn more Server monitoring CPU, memory, disks and network with a lightweight agent. Learn more Multi-channel alerts 15 channels: email, SMS, Slack, Teams, Discord, webhooks and more. Learn more

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