A schedule you can inspect before deploying
Choose a preset or enter five numeric fields. Select a UTC starting time, then preview the next five matches strictly after it. The second result column converts those same instants to your chosen display time zone, with its UTC offset. Changing that display zone does not change the schedule.
This tool calculates dates. It does not create a server task, run a command, monitor a job or guarantee that a hosting provider will execute it. Enter only the time expression—not a command, password or API key. The expression is processed by this site's server; the usage counter records the page and action, not the expression or dates.
Read the five fields
From left to right: minute (0–59), hour (0–23), day of month (1–31), month (1–12), and day of week (0–7, with 0 and 7 meaning Sunday). A star covers the field, commas form a list, a hyphen forms a range, and a slash after a star or range selects steps. For example, */15 * * * * matches minutes 00, 15, 30 and 45 of each hour; it does not mean fifteen minutes after you start a process.
If both day fields are restricted, the parser uses either-day matching. This is not an “only when both match” condition. This preview supports the documented numeric subset; named months, named weekdays, seconds, years, @ shortcuts and Quartz extensions are outside its scope. See the crontab manual and the parser documentation.
Keep UTC scheduling separate from local display
A job fixed to UTC can move by an hour on your local clock when daylight-saving time changes. The preview includes offsets so that difference is visible. If your actual scheduler interprets the expression in local time, its behavior can differ; this tool does not simulate that mode. Check the scheduler's own time-zone setting before using an expression.
Deploy one harmless test task and observe its real execution log. Handle overlapping runs, retries and missed work in the application separately. A correct expression alone does not make a workflow reliable.
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