What cron expression runs every even hour (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22)?

The cron expression `0 0-22/2 * * *` runs every even hour (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22). Paste this into your crontab file, Vercel cron config, GitHub Actions schedule, or any cron-compatible scheduler.

How do I test the cron expression 0 0-22/2 * * *?

Use a cron tester like crontab.guru or run `crontab -l` to list current jobs. For dry-run testing, many schedulers (Vercel, GitHub Actions, AWS EventBridge) have a "test schedule" or "preview next runs" button.

How do I add "0 0-22/2 * * *" to my crontab?

Run `crontab -e` to edit your crontab, add a new line with `0 0-22/2 * * * /path/to/your-command`, and save. The command will run on the schedule you specified. Check `/var/log/syslog` or `journalctl -u cron` for execution logs.

Does this cron expression work on Vercel / GitHub Actions / AWS?

Yes, `0 0-22/2 * * *` is a standard 5-field POSIX cron expression (or 6-field for Quartz/Spring). It works on Vercel Cron Jobs, GitHub Actions (`schedule: [{ cron: '0 0-22/2 * * *' }]`), AWS EventBridge, Google Cloud Scheduler, Kubernetes CronJobs, and most Linux cron daemons.

Cron Expression: Every even hour (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22)

Cron Expression

0 0-22/2 * * *

Every even hour (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22)

Click the expression to select it, then copy.

Quick Answer

The cron expression for "every even hour (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22)" is `0 0-22/2 * * *`. Copy and paste this into your crontab, Vercel cron config, GitHub Actions workflow, or any standard cron-compatible scheduler.

Field-by-Field Breakdown

Field	Value	Meaning
Minute	0	At minute 0
Hour	0-22/2	Between hour range: 0-22/2
Day of Month	*	Every day of month
Month	*	Every month
Day of Week	*	Every day of week

Common Use Cases

→Alternating hour jobs
→Even-hour processing

How to Use This Expression

Vercel Cron Jobs

// vercel.json
{
  "crons": [{
    "path": "/api/your-endpoint",
    "schedule": "0 0-22/2 * * *"
  }]
}

GitHub Actions

# .github/workflows/scheduled.yml
on:
  schedule:
    - cron: '0 0-22/2 * * *'

Linux crontab

0 0-22/2 * * * /path/to/your-command.sh

Frequently Asked Questions

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