Cron every 20 minutes

Expression: */20 * * * *

Meaning

Run three times per hour: at :00, :20 and :40.

Example use

Useful for periodic sync jobs, cache refreshes and status updates that can wait up to twenty minutes.

How to modify it

Use */30 for twice per hour or */15 for four times per hour.

Use it in the cron parser

Open the Cron Parser, paste */20 * * * *, and review the next run times in your browser before using the schedule in production.

Related cron schedules

• Cron every 15 minutes — */15 * * * *
• Cron every 30 minutes — */30 * * * *
• Cron every hour — 0 * * * *

FAQ

Does cron use my local time zone?

Cron uses the time zone configured in the scheduler or server. Cloud platforms, CI systems and containers may default to UTC.

Is this a five-field or six-field cron?

This page uses standard five-field crontab syntax: minute, hour, day of month, month and day of week.