---
title: "How Busy Time from Your Connected Calendar is Used to Manage Availability"
description: "OnceHub uses busy time from your connected calendars to automatically determine when you’re unavailable, ensuring your guests can only schedule time with you..."
url: "https://help.staticso2.com/user-integrations/basics-user-integrations/how-busy-time-from-your-connected-calendar-is-used-to-manage-availability"
---

OnceHub uses busy time from your connected calendars to automatically determine when you’re unavailable, ensuring your guests can only schedule time with you when you’re free. Here’s a breakdown of what is considered “busy” time in each case.

***

## Google Workspace

[Section titled “Google Workspace”](#google-workspace)

OnceHub retrieves busy times from:

* The Main calendar of the connected account.
* Sub-calendars you’ve created within your Google Workspace account.
* Calendars shared with you, provided you have at least Read-only permissions.

### **Calendar Event Statuses:**

[Section titled “Calendar Event Statuses:”](#calendar-event-statuses)

* **Busy**: These events block your availability in OnceHub.
* **Free**: These times are not considered busy and remain available for scheduling.

Please take a look [**at this article**](https://help.staticso2.com/user-integrations/google-calendar-connection/managing-your-oncehub-integration-with-google-workspace) if you need any additional information on managing the OnceHub integration with Google Workspace.

***

## Microsoft 365

[Section titled “Microsoft 365”](#microsoft-365)

OnceHub retrieves busy times from:

* The Main calendar of the connected account.
* Sub-calendars created within your Microsoft 365 account.
* Shared calendars with at least Read-only permissions.

### **Calendar Event Statuses:**

[Section titled “Calendar Event Statuses:”](#calendar-event-statuses-1)

* **Working Elsewhere, Tentative, Busy, and Away**: These events block availability in OnceHub.
* **Free**: These times are available for scheduling.

Please take a look [**at this article**](https://help.staticso2.com/user-integrations/ms-office365-calendar-connection/managing-your-oncehub-integration-with-microsoft-office-365) if you need any additional information on managing the OnceHub integration with Microsoft 365.

***

## Microsoft Exchange

[Section titled “Microsoft Exchange”](#microsoft-exchange)

OnceHub retrieves busy times from:

* The Main calendar of the connected account.
* Sub-calendars created in your Exchange account.
* Shared calendars with at least Read-only permissions.

### **Calendar Event Statuses:**

[Section titled “Calendar Event Statuses:”](#calendar-event-statuses-2)

* **Working Elsewhere, Tentative, Busy, and Away**: These events block availability in OnceHub.
* **Free**: These times remain available for scheduling.

Please take a look [**at this article**](https://help.staticso2.com/user-integrations/exchange-outlook-calendar-connection/managing-your-oncehub-integration-with-microsoft-exchange-calendar) if you need any additional information on managing the OnceHub integration with Microsoft Exchange.

***

## iCloud Calendar

[Section titled “iCloud Calendar”](#icloud-calendar)

OnceHub retrieves busy times from:

* The Main calendar of the connected account.
* Sub-calendars in your iCloud account.
* Shared calendars, as long as you have at least Read-only permissions.

### **Calendar Event Statuses:**

[Section titled “Calendar Event Statuses:”](#calendar-event-statuses-3)

* **Busy**: These events block availability in OnceHub.
* **Free**: These times remain available for scheduling.

**Important Note for iCloud Users**: All-day iCloud events cannot be marked as “Busy.” To block out an entire day, create a specific event that spans your working hours.

Please take a look [**at this article**](https://help.staticso2.com/user-integrations/icloud-calendar-connection/managing-your-oncehub-integration-with-icloud-calendar) if you need any additional information on managing the OnceHub integration with iCloud Calendar.

***

## Key Points to Remember

[Section titled “Key Points to Remember”](#key-points-to-remember)

* The **Busy Time Is Retrieved From** setting allows you to include or exclude specific sub-calendars or shared calendars.

- You can connect additional secondary calendars to retrieve busy times. For step-by-step guidance, refer to the [**Connecting a Secondary Calendar article**](https://help.staticso2.com/user-integrations/basics-user-integrations/connecting-secondary-calendar).