Cron every 3 hours

Expression: 0 */3 * * *

Meaning

Run at minute 0 every three hours.

Example use

Useful for scheduled imports, periodic cleanup and medium-frequency reporting.

How to modify it

Change */3 to */6 for every six hours.

Use it in the cron parser

Open the Cron Parser, paste 0 */3 * * *, and review the next run times in your browser before using the schedule in production.

Related cron schedules

• Cron every 2 hours — 0 */2 * * *
• Cron every 4 hours — 0 */4 * * *
• Cron every 6 hours — 0 */6 * * *

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.