# Supplied-offset cron occurrence expander

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Expand bounded five-field cron into complete UTC occurrences using an exact caller-supplied offset timeline, including every fold instant and no nonexistent gap minute.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- expand cron occurrences in a supplied UTC window
- enumerate fixed-offset or UTC cron schedules offline
- inspect cron gap and fold matches against supplied offset periods

## Outside this profile
- An IANA timezone name without an explicit trusted offset-period timeline
- Daemon scheduling, Cronie clock-jump replay, catch-up or once-per-wall-time suppression
- Quartz, seconds/year fields, names, macros, hashed values, command suffixes or Sunday 7
- Accessing calendars, scheduling jobs, reserving meetings, network requests or external state changes

Proposed nominal USD 0.005 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/cron-occurrences-expand.json)
- [Input schema](/reference/schemas/cron-occurrences-expand.input.json)
- [Output schema](/reference/schemas/cron-occurrences-expand.output.json)
- [Fixed example](/reference/examples/cron-occurrences-expand.json)
- [Complete HTML reference](/discover/tools/cron-occurrences-expand)