Understand a crontab Entry
Decode a line from your Linux crontab into plain English.
At 9:00 AM, Monday through Friday.
- Thu, May 28, 2026, 09:00 AMin 12 hr
- Fri, May 29, 2026, 09:00 AMin 36 hr
- Mon, Jun 1, 2026, 09:00 AMin 5 days
- Tue, Jun 2, 2026, 09:00 AMin 6 days
- Wed, Jun 3, 2026, 09:00 AMin 7 days
π‘ Fields are: minute, hour, day-of-month, month, day-of-week. Supports ranges (1-5), lists (1,15), steps (*/15), names (MON, JAN), and macros (@daily). All parsing happens in your browser.
crontab tips
Paste the schedule portion of a crontab line (the five fields before the command) to see exactly when it runs.
The next-run list confirms your understanding against real upcoming times.
Names like MON and JAN work, so you can paste schedules exactly as written.
Parsed entirely in your browser β nothing about your server is uploaded.
Sut Mae'n Gweithio
Pam defnyddio ein un ni?
Also check outβ¦
Check a GitHub Actions Schedule
Verify the cron in your workflow's schedule trigge
Debug a Cron Job That Won't Run
See whether a cron expression actually matches the
Build a Cron Schedule
Experiment with cron fields until the schedule mat
Learn Cron Syntax
Understand how the five cron fields work by exampl