December 2025 Monthly Planner Calendar
The free to use December 2025 calendar with notes is a simple, generic, and blank monthly calendar template. It is one of the best editable calendars as it enables users to add reminders, to do list, and others which can be printed in a portrait orientation.
This editable monthly calendar starts on Monday and it can be customized in Word or Excel format. PDF format is also available for this monthly planner.
To learn how to use our customizable monthly Monday start calendar templates, click here .
Other Calendar Styles Available...
December 2025 Monthly Calendar
The blank December 2025 calendar with Monday start is a professional...
Excel
PDF
Word
December 2025 Monthly Planner
General Blue offers a variety of 2025 monthly calendar templates you can...
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Fillable December 2025 Calendar
The cool and relaxing green December calendar 2025 is the perfect tool to...
Excel
PDF
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How to Use and Customize Our December 2025 Calendar
See instructions below if you're looking for a guide on how to customize or edit our free monthly calendar template using Microsoft Word or Excel.
Monthly Calendar in Word
Word calendars can be saved to your local computer for customization. To customize your Monday start calendar, follow these steps:
- Download and save the document in your "Documents" folder or other preferred location.
- Rename the document if desired.
- Once you open the document, you can add events or your favorite holidays by typing directly into the table cells.
- Change the font style or color of your calendar to match your personal preferences.
- Add a background color to individual cells within the calendar to make them stand out.
- Use different table cell borders or shading to create a unique look for your calendar.
- Add important dates or events that are specific to you or your family.
- To preview your calendar in print mode, use the Word keyboard shortcut Ctrl+P to open the Print dialog
- Print, save or email your word calendar.
Monthly Calendar in Excel
Excel calendars can be saved to your local computer for customization. To customize your Monday start calendar, follow these steps:
- Download and save the spreadsheet in your "Documents" folder or other perferred location.
- Rename the spreadsheet if desired.
- Once you open the spreadsheet, you can add events or your favorite holidays by typing directly into the table cells.
- Change the font style or color of your calendar to match your personal preferences.
- To make events or holidays stand out in your calendar worksheet, you can add a background color to individual cells.
- Use different table cell borders or shading to create a unique look for your calendar.
- Add important dates or events that are specific to you or your family.
- To preview your calendar in print mode, use the Excel keyboard shortcut Ctrl+P to open the Print dialog.
- Print, save or email your excel calendar.
