Excel also provides a pre-built calendar template, which you can customize for personal or business useâ whether it's for an academic schedule or a social media content calendar.

Since we often need to jot down appointments quickly, you can also fill in the dates for the previous and next months. That takes care of the basics of my first month, but Im not entirely done yet.

But it was inspired by this poster, apparently issued by Saucony and Fleet Feet in 2019, which invited you to fill in one of the bubbles every time you went for a run.

She says the zero-based calendar helps her fill in the gaps. The first step, she says, is to book everything you need to get done in your calendar, no matter what it is.