Cron Expression Generator

Build cron schedule from minute, hour, day, month, weekday.

Developer

Choose when the job should run: minute, hour, day of month, month, and day of week. Get a valid cron expression to copy into crontab or CI. Runs in your browser.

Day of week: 0 and 7 = Sunday, 1 = Monday, … 6 = Saturday. Use * for "every".

About Cron Expression Generator

This tool builds a 5-field cron expression from your choices. Enter values or * for each field (minute, hour, day of month, month, day of week). Use the result in crontab, GitHub Actions, or any scheduler that accepts standard cron.

How to use

  1. Fill in minute, hour, day of month, month, and day of week. Use * for "every".
  2. Click Generate cron. Copy the expression into your scheduler.

Frequently Asked Questions

What are the five cron fields?
Minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-7, 0 and 7 = Sunday). Use * for "every".
Is my schedule sent to a server?
No. The expression is built in your browser. Nothing is uploaded.
Can I use this in GitHub Actions or CI?
Yes. The output is a standard 5-field cron expression. Paste it into your workflow or crontab.