View calendar events by project/category

Hi I was wondering if it’d be possible to filter events/notices marked by dots in the calendar by category and project? Like I’ve been doing something on and off for a long period of time and want a quick view of how many days I spent on it over the past month/quarter/year, and also being able to click through to the notice taken on a particular date. I couldn’t do this now because the dots in calendar mark all days with notes taken. Thanks.

I see what you mean, need to think how that could work, thanks for the suggestion!