Production Realities: What Node.js Cron Job Tutorials Miss

Developers implementing cron jobs in Node.js often discover too late that standard tutorials overlook critical production issues: unhandled exceptions crash entire processes, timezone configuration requires explicit setup, and tasks can overlap causing race conditions. These aren't edge cases—they're fundamental reliability problems that demand attention before deploying to production. Understanding these pitfalls transforms cron jobs from a liability into a dependable scheduling solution.