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
*/5every 5 (step)
1-5range 1 through 5
1,15,30a list of values
1-5/2every 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.

SchedulePlain English
* * * * *Every minute
*/5 * * * *Every 5 minutes
*/10 * * * *Every 10 minutes
*/15 * * * *Every 15 minutes
*/30 * * * *Every 30 minutes
0 * * * *Every hour, on the hour
0 */6 * * *Every 6 hours
0 0 * * *Every day at midnight
0 9 * * *Every day at 9:00 AM
0 9 * * 1-5Weekdays (Mon–Fri) at 9:00 AM
0 0 * * 0Every Sunday at midnight
0 0 1 * *1st of every month

Browse all common cron schedules →

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