How do I schedule a job every 6 months?

Use the cron expression 0 0 1 1,7 *. You can set this in crontab on Linux, or use a service like CronJobPro to schedule HTTP requests with this expression.

Yearly Schedules

Cron Job Every 6 Months – Expression & Examples

Using months 1,7 runs on January 1st and July 1st — a semi-annual schedule.

Cron Expression

0 0 1 1,7 *

Minute

(0-59)

Hour

(0-23)

Day of Month

(1-31)

1,7

Month

(1-12)

Day of Week

(0-6)

How It Works

Using months 1,7 runs on January 1st and July 1st — a semi-annual schedule.

Common Use Cases

Semi-annual security audits
Domain renewal checks
Certificate rotation

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Frequently Asked Questions

What does `0 0 1 1,7 *` mean in cron?

Using months 1,7 runs on January 1st and July 1st — a semi-annual schedule.

How do I use this cron expression?

On Linux/macOS, edit your crontab with crontab -e and add:
0 0 1 1,7 * /path/to/your/script.sh
Or use CronJobPro to schedule HTTP requests with this expression — no server required.

What timezone does cron use?

By default, cron uses the system timezone. CronJobPro lets you set a specific timezone per job, so your schedules are predictable regardless of server location.