Cron: every 15 minutes

Every 15 minutes: */15 * * * *

Runs at :00, :15, :30 and :45. A common interval for syncing data, refreshing caches or polling an API without hammering it.

Build a different schedule with the crontab generator.

Other common values

• Every minute — * * * * *
• Every 5 minutes — */5 * * * *
• Every 30 minutes — */30 * * * *
• Every hour — 0 * * * *
• Every 6 hours — 0 */6 * * *
• 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 * *