Review a weekday schedule
0 9 * * 1-5
See the minute, hour, day, month, and weekday fields separately.
See what each field in a five-field cron expression controls.
See what each field in a five-field cron expression controls. Use it to check dates and schedules before sharing them with other people or systems. Calculations run in this browser.
Inspect or build a five-field cron expression for recurring developer jobs. Workspace preferences are saved locally. Calculator inputs are kept only for this browser session.
Cron inspection separates fields but does not simulate future run times. Holiday input is manual. Copy or download the calculated text result.
0 9 * * 1-5
See the minute, hour, day, month, and weekday fields separately.
Calculations run in this browser. Workspace preferences are saved locally. Calculator inputs are kept only for this browser session.
ISO 8601 dates, Unix seconds, Unix milliseconds, IANA timezones, Five-field cron. Cron inspection separates fields but does not simulate future run times. Holiday input is manual.
Copy or download the calculated text result.
Confirm timezone and daylight-saving assumptions before scheduling work.
Convert dates, ISO strings, and numeric timestamps.
Date & time tools
Compare one date and time across world timezones.
Date & time tools
Count weekdays between dates with optional holidays.
Date & time tools
Start with a realistic example
Load a safe sample, or paste and upload your own value from the toolbar.
Add input, upload a file, or try the example to begin.