Google Calendar allows you to create and have access to multiple calendars to keep track of different types of events, shared availability, and availability of certain resources.

Having multiple calendars is a great way to better organize your availability for meetings. The trick is to add multiple calendars that represent “layers” in your planning. For instance, you can have the following calendars:

  1. Your Calendar
  2. Your boss’ calendar
  3. Shared calendar for support calls

First, you need to familiarize yourself with Google Shared Calendars and Google multiple calendars feature. Here are some resources on that:

  1. Share your Google Calendar with someone
  2. Create a new Google Calendar

For example, if you want to schedule metting in your boss’ calendar then he/she needs to share that calendar with you. Here is Google support note how they can do that: https://support.google.com/calendar/answer/37082. After they share their calendar with you should be able to see their calendar in your Google Calendar:

After multiple calendars are set up, Meeting Scheduler for Gmail will allow you to select which calendar will be used when sending invites.

Here is how to select calendar in Meeting Scheduler for Gmail :

  1. Go to Gmail and compose a new email
  2. Click on Meeting Scheduler for Gmail icon
  3. Click on “My Calendar” and we will show the list of calendars you can use for this meeting:

select calendar; multiple calendars

Also please check this support note which explains how to select multiple Google Calendars for your availability.