Crontyypit

Crontyypit is a term used in scheduling systems to describe a family of recurring time patterns that extend standard cron expressions. In practice crontyypit categorize tasks by when they run, grouping both classic cron schedules and extended forms that add features such as intervals, time-zone awareness, or one-shot executions. The central idea is to provide a uniform way to describe, compare, and validate time-based triggers.

A crontyypit specification typically includes fields for minute and hour, plus optional fields for day of month, month, and day of week, together with an explicit type or mode that indicates the pattern category. Implementations may vary in exact syntax, but the concept remains to express recurring events in a deterministic, text-based form suitable for parsing and planning.

Common variants include classic cron-like patterns that specify precise times, interval-based patterns that run at regular spans, and calendar-aligned patterns that follow business calendars or holidays. Some systems also support time-zone adjustments, daylight-saving transitions, or filtered triggers that skip execution on certain days.

Crontyypit are used by task schedulers, automation engines, and cloud services to validate inputs, generate execution plans, and produce human-readable descriptions of schedules. They aim to improve portability across systems by providing a shared vocabulary for scheduling semantics.

See also Cron, cron expression, task scheduler.