Cron Syntax Differences Across Cloud Platforms
Different platforms implement cron slightly differently. AWS EventBridge uses a 6-field format adding a year field: minute hour day month weekday year, and uses ? for ignored fields. Kubernetes CronJobs use standard 5-field POSIX cron but in UTC. GitHub Actions also uses standard 5-field cron, runs in UTC, and the shortest interval is every 5 minutes. Our validator supports all three formats — select your platform for platform-specific checks.