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Cron Expression Generator

Build five-field cron schedules and preview upcoming execution times in UTC.

Your input stays in this browser. No API calls or server uploads.

Minute · Hour · Day of month · Month · Day of week. All previews use UTC.

How to use the cron expression generator

Choose a schedule preset or edit a five-field cron expression, then preview the next five runs in UTC. Fields are minute, hour, day of month, month and day of week (0 or 7 means Sunday).

Supported features and limitations

Supports numeric values, lists, ranges and steps in standard five-field cron. Uses UTC and traditional day-of-month/day-of-week OR semantics. Seconds, names, L, W, # and Quartz syntax are not supported. Preview searches up to five years ahead.

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