I make these wall calendars every year with one big image in the background or twelve themed images in alternating squares.
I note the birthdays of friends and relatives (and cats) with their name on the date plus a bright gold star behind it. (To protect privacy I’ve changed them all to “Name” here, but you get the idea.)
The 2023 images is of California poppies, the state flower. I love the bright orange, a recurring color in my home, for its energy and positivity.
Orange also looks great as a background for my gray-and-white cat, “Eights.”
Image is from stock image company Shutterstock. Typefaces are Farray from French type designer Adrien Coquet (months) and Raleway, designed by Matt McInerney, Pablo Impallari, and Rodrigo Fuenzalida, from The League of Moveable Type, via Adobe Fonts (days and names).