# Availability - [Availability troubleshooter](https://help.zcal.co/availability/availability-troubleshooter.md): Want to understand why specific time slots are available or not available? See everything that zcal pulls from your calendar connections in the availability troubleshooter. - [Set custom rolling date range](https://help.zcal.co/availability/set-custom-rolling-date-range.md) - [Edit custom hours for an invite](https://help.zcal.co/availability/edit-custom-hours-for-an-invite.md) - [Setting account saved availability](https://help.zcal.co/availability/setting-account-saved-availability.md) - [Set invite date range to specific dates](https://help.zcal.co/availability/specific-dates.md) - [Update Date Range](https://help.zcal.co/availability/update-date-range.md): See the steps below to update your date range for an invite. - [Block out of office (OOO) days](https://help.zcal.co/availability/block-out-of-office-ooo-days.md): Going on vacation? Set the days when you're unavailable to block them from appearing on your invite pages. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.zcal.co/availability.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.