The Teams client on Windows has been updated to provide a new and better scheduling experience.

If you use your Teams client to schedule meetings, your experience is going to get improved thanks to this new enhanced experience, providing easier way to set time zone, look for availability and much more.

To start using it, your Teams client must be running 1.3.00.4461 or later. You can try to force the update by  using the Check for updates option.

Then when you access your Calendar in your Teams client and hit the New Meeting you will get this new enhanced experience