Cron Job Every 6 Hours

Running a cron every 6 hours provides 4 daily executions at midnight, 6 AM, noon, and 6 PM. This quarter-day schedule is efficient for tasks that need consistent daily coverage.

Cron Expression

crontab syntax
0 */6 * * *
0
minute
*/6
hour
*
day (month)
*
month
*
day (week)

This expression runs every 6 hours. That's 4 times per day.

Common Use Cases

Quarterly daily updates
Digest emails
Comprehensive health checks
Data exports
Backup rotations

How It Works

1

Enter your endpoint URL

Paste your webhook URL, API endpoint, or any HTTP(S) address you want to call.

2

Test your request

We'll send a test request to verify your endpoint responds correctly.

3

Create your cron job

We'll call your endpoint every 6 hours automatically. No server required.

Why Use CronUptime?

No Server Required

Schedule cron jobs without managing infrastructure. We handle execution at the edge.

Reliable Timing

Built on Cloudflare Workers for 99.9%+ uptime. Your jobs run on time, every time.

Frequently Asked Questions

The cron expression for every 6 hours is 0 */6 * * *. This runs at hours 0, 6, 12, and 18 (midnight, 6 AM, noon, and 6 PM) - four times per day.
Specify the exact hours: 0 3,9,15,21 * * * runs at 3 AM, 9 AM, 3 PM, and 9 PM. Or 0 2,8,14,20 * * * for 2 AM, 8 AM, 2 PM, and 8 PM.

Quick Reference

Cron Expression:

0 */6 * * *

Human Readable:

every 6 hours

Schedule every 6 hours

Sign in required

Running cron jobs every 6 hours requires a free account.

Why sign in?

  • • Access to all interval options (1 min to monthly)
  • • Permanent cron jobs (no 7-day expiry)
  • • Up to 5 free cron jobs
  • • Email notifications for failures

Or try our guest feature with 5, 10, 15, or 30 minute intervals

Related Cron Schedules