Cron expression tester
Paste a schedule. See the next run times and what it means in plain English. Everything runs in your browser — nothing is sent anywhere.
Cron syntax cheatsheet
* | every value |
*/5 | every 5 (step) |
1-5 | range 1 through 5 |
1,15,30 | a list of values |
1-5/2 | every 2nd in a range |
Fields, in order: minute (0–59), hour (0–23), day-of-month (1–31), month (1–12 or JAN–DEC), day-of-week (0–6, Sun=0, or SUN–SAT; 7 also = Sunday). Names are case-insensitive. This tester evaluates standard 5-field Vixie/POSIX cron. Non-standard extensions like @daily, L, W, #, and seconds fields aren't evaluated.
Common cron expression examples
Each links to a full explainer with next run times, or click the code to load it in the tester above.
Browse all common cron schedules →
Monitor n8n / Make / Zapier / cron jobs → · Monitor an AI agent or bot →