Paste a 5-field cron expression to see what it means in words and exactly when it will run next.
Paste the schedule, read the meaning.
Paste the 5-field cron expression into the field.
Read the plain-English sentence describing the schedule.
Check the next 5 run times in the table below.
Fix your crontab with confidence.
Built for speed, privacy and reliability — on any device.
A cryptic expression like */15 9-17 * * 1-5 becomes a readable sentence.
See the exact dates and times the job will fire next, calculated live.
Stars, ranges, lists and /n steps — plus month and weekday names like JAN or MON.
Everything is calculated locally — expressions never leave the browser.
No account, no limits.
Minute (0–59), hour (0–23), day of month (1–31), month (1–12) and day of week (0–6, Sunday = 0).
Every 15th unit — in the minutes field it means at minutes 0, 15, 30 and 45 of every hour.
Standard cron runs the job when EITHER matches — for example 1st of the month OR every Monday.
They use your browseru0027s local timezone. Servers usually run UTC, so adjust if your crontab lives there.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Step-by-step guide with screenshots and tips.
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