December 2025 Monthly Calendar with Iceland Holidays

How to Use and Customize Our December 2025 Calendar

See instructions below how to edit the monthly calendars with holidays.

Monthly Calendar in Word

Word calendars can be saved to your local computer for customization. To customize your calendar, follow these steps:

1. 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. Preview the document using "ctrl+P" to preview your calendar in print mode.
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 calendar, follow these steps:

1. 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. Add a background color to individual cells within the calendar worksheet 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. Preview the document using "ctrl+P" to preview your calendar in print mode.
9. Print, save or email your excel calendar.