Penco's 2023 Monthly Diary B5 Nature has the best match of monthly schedule + notes. B5 size, which is also recommended as a notebook, allows you to write a lot in a double-page spread monthly. Since it opens 180 degrees flat, you can spread it on your desk and use it like a notebook.
Measures 18.2 x 25.7 x 0.4 cm
Weighs 140 grams
Runs from Oct 2022 to January 2024
Counts 64 pages
Contains Monthly Schedule, 7mm horizontal ruled notebook