Free December 2025 Monthly Editable Calendar, starting on Monday

When you want something a little less ordinary, this stylish and italicized cool blue calendar design brings a little more attention to your events. By using this 2025 December monthly calendar template, you can easily keep track of your monthly events and activities. This template allows you to download to your computer or laptop in Excel, Word, or PDF format.

The weeks in this free monthly calendar template starts on Monday.

To learn how to use our customizable monthly Monday start calendar templates, click here .

Sunday Monday
December 2025 Blue Calendar (Monday Start)

Other Calendar Styles Available...

Monday Start Calendar for December 2025

Editable December 2025 Monthly Calendar

The free to use December 2025 calendar with notes is a simple, generic, and...

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December 2025 Calendar with Monday Start

Fillable December 2025 Calendar

The cool and relaxing green December calendar 2025 is the perfect tool to...

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Blank December 2025 Calendar with Monday Start

December 2025 Simple Calendar with Monday Start

This blank December 2025 calendar in dark red design is available for free...

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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:

  1. Download and save the document in your "Documents" folder or other preferred location.
  2. Rename the document if desired.
  3. Once you open the document, you can add events or your favorite holidays by typing directly into the table cells.
  4. Change the font style or color of your calendar to match your personal preferences.
  5. Add a background color to individual cells within the calendar to make them stand out.
  6. Use different table cell borders or shading to create a unique look for your calendar.
  7. Add important dates or events that are specific to you or your family.
  8. To preview your calendar in print mode, use the Word keyboard shortcut Ctrl+P to open the Print dialog
  9. 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:

  1. Download and save the spreadsheet in your "Documents" folder or other perferred location.
  2. Rename the spreadsheet if desired.
  3. Once you open the spreadsheet, you can add events or your favorite holidays by typing directly into the table cells.
  4. Change the font style or color of your calendar to match your personal preferences.
  5. To make events or holidays stand out in your calendar worksheet, you can add a background color to individual cells.
  6. Use different table cell borders or shading to create a unique look for your calendar.
  7. Add important dates or events that are specific to you or your family.
  8. To preview your calendar in print mode, use the Excel keyboard shortcut Ctrl+P to open the Print dialog.
  9. Print, save or email your excel calendar.