Cron tool / Every 30 minutes
Cron expression for "every 30 minutes"
The cron expression is */30 * * * * — Every 30 minutes.
This schedule means
Every 30 minutes
Next 5 runs (your timezone — UTC)
- 5/27/2026, 6:00:00 PM
- 5/27/2026, 6:30:00 PM
- 5/27/2026, 7:00:00 PM
- 5/27/2026, 7:30:00 PM
- 5/27/2026, 8:00:00 PM
Using it
In a crontab, you'd write */30 * * * * /path/to/your/command. Most schedulers (Linux cron, Vercel Cron, GitHub Actions, Laravel, node-cron) accept this 5-field format.
Monitor a "every 30 minutes" job
Cronmint runs */30 * * * *for you, logs every run, and emails or Slacks you the moment it fails — or silently doesn't run.