Cron: every 6 hours

Every 6 hours: 0 */6 * * *

Runs at 00:00, 06:00, 12:00 and 18:00 in the server’s time zone.

Build a different schedule with the crontab generator.

Other common values

• Every minute — * * * * *
• Every 5 minutes — */5 * * * *
• Every 15 minutes — */15 * * * *
• Every 30 minutes — */30 * * * *
• Every hour — 0 * * * *
• Every day at midnight — 0 0 * * *
• Weekdays at 9 AM — 0 9 * * 1-5
• Every Sunday at midnight — 0 0 * * 0
• First day of every month — 0 0 1 * *