Fitbit : How to sync calendar events from multiple accounts

I recently bought a Fitbit Sense to track and work on my health goals. Since its 2021 and Fitbit being one of the leaders in the market, I knew it could do more than just that — For starters, I wanted it to sync my calendar events from various accounts so I can check my upcoming event with ease. My personal accounts (1 Gmail and 1 Hotmail) and my work account (1 Outlook).