node-cron Expression Generator

Node-cron cron syntax

• Five fields (Minute, Hour, Day-of-month, Month, Day-of-week), or six with an optional leading Seconds field.
• Called as cron.schedule('<expr>', () => { ... }).
• Runs in the Node process's local timezone unless you pass { timezone: 'Area/City' }.
• Day-of-week accepts 0-7 (0 and 7 are Sunday) or names like mon-fri.
• The task only runs while your Node process is alive — there's no persistence across restarts.

Node-cron cron examples

Click any example to load it into the generator above.

cron.schedule('0 9 * * 1-5', () => {
  // your job here
});

cron.schedule('*/30 * * * *', () => {
  // your job here
});

cron.schedule('0 0 * * *', () => {
  // your job here
});

cron.schedule('0 */2 * * *', () => {
  // your job here
});

cron.schedule('0 0 1 * *', () => {
  // your job here
});

Monitor your Node-cron cron jobs

A cron expression only controls when a job is scheduled — not whether it actually ran. These tools alert you when a scheduled job fails, runs late, or never starts.

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Frequently asked questions