What to Write on a Monthly Planner: A Simple Setup Guide
By Design Letters – Design Letters EUR | Published: 2026-11-05
Category: How-to Guides
A practical, step-by-step monthly planner setup: what to write, where to put it, and how to keep the wall planner useful for the whole household.
Quick answer
Write only what the whole household needs to see at a glance: fixed dates, shared commitments, and one or two goals per person. Keep detailed to-do lists off the wall planner and use it as a shared overview instead.
Why a wall planner needs different content than a personal diary
A monthly wall planner is read by several people at once, often from across a room. That changes what belongs on it. Personal task lists, shopping lists, and long notes crowd the grid and make it harder for anyone else to find the date they need.
The Monthly Planner measures 25 x 39 cm, so there is room for a family or shared household, but not for every detail. Treat it as a communication board: birthdays, days off, dinners, and appointments. Keep private planning in a notebook or phone.
Set a writing routine before the month starts
The most common failure is filling the planner once and never updating it. A short routine, such as ten minutes on the last Sunday of each month, keeps the planner accurate. During that session, clear the old month, add known fixed dates, and agree on one goal per person.
If the planner hangs in a hallway or kitchen, keep a pen nearby so changes can be added the moment they come up. The Design Letters Pen has a square body and a Schmidt mechanism, and it fits the brand's pencil case, which makes it easy to store next to the planner rather than in a drawer.
How to set up your monthly planner in five steps
- Choose a visible spot and one owner: Hang the planner where everyone passes it daily, such as a kitchen wall or hallway. Assign one person to maintain it. Common mistake: hanging it in a spare room where nobody sees it, which turns it into a private diary rather than a shared overview. Check that the planner is readable from standing height before you write anything.
- Block the fixed dates first: Before adding anything else, write in birthdays, school holidays, public days off, and regular commitments. Use the supplied stickers for birthdays, holidays, advent, and weekends so these stand out. Checkpoint: if a date affects more than one person, it belongs on the planner.
- Assign a column or colour per person: Divide the grid by household member, either with a column per person or a consistent pen colour. If you use the Pen's Love, Hello, and Work versions, agree which message belongs to whom. Common mistake: mixing colours mid-month, which makes entries hard to attribute. Write the colour key in a corner of the planner so new household members can follow it.
- Add one goal per person, not a full to-do list: A planner goal planning routine works best when each person writes a single achievable goal for the month, such as a weekly walk or finishing a book. Put it in the margin, not in the date grid. Common mistake: turning the planner into a task list, which crowds out shared dates.
- Review weekly and clear at month end: Spend five minutes each week crossing off passed dates and adding new commitments. At the end of the month, remove old stickers and rewrite the fixed dates for the next month. Checkpoint: if an entry has not changed in three months, consider whether it still needs to be there. Keep the pen stored with the planner so the weekly review takes seconds to start.
Useful products for your planner setup
- Monthly planner: The Monthly Planner is 25 x 39 cm with spiral binding and includes stickers for birthdays, holidays, advent, and weekends. The stickers let you mark recurring family dates quickly, so the grid stays readable without writing the same words every month.

Monthly planner - Pen: The Pen comes in three colour versions with different messages: Love, Hello, and Work. Choosing one message per household member gives each person a simple way to spot their own entries on a shared planner.

Pen - Alu triangular ruler: The Alu triangular ruler measures up to 21 cm and is made of aluminum. If you draw your own grid lines or column dividers on a blank planner page, a metal ruler gives you a straight edge that will not flex.


