Fantastical 2 (for Mac): Getting Started
Fantastical 2 is a $39.99 locally downloaded Mac calendar app.
Fantastical 2 (for Mac): Alerts
Fantastical 2 has great customizations options for alerts.
Fantastical 2 (for Mac): Access
During setup, you have the options to grant Fantastical 2 access to your contacts as well as calendars to get more out of it.
Fantastical 2 (for Mac): Left Rail
A rail on the left is customizable to show a mini calendar as well as a preview of what's on your plate for the next day or two, or a comprehensive list of everything that's coming down the pike.
Fantastical 2 (for Mac): Settings
Some settings in Fantastical 2 lets you adjust when your week starts, and the length of each work day.