# SOGo: per-user free/busy availability

If you want to let others to check your free/busy availability while inviting
you to attend some calendar event, you need to grant one permission of your
calendar to others.

Let's use calendar `Personal Calendar` for example, you need to grant
`View the Date & Time` permission for your public calendar events.

![](./images/sogo/free.busy/grant.permission.png){: width=800px }

After granted the permission, when other user (hosted on same server) is
creating calendar event and input your email address as attendee, he can see
your free/busy availability like this:

![](./images/sogo/free.busy/check.availability.png){: width=800px }
