Open Excel and create a new workbook
Select a blank worksheet
Enter the month name in the first row
Enter the days of the week in the next row
Format the month title by merging and centering cells
Adjust column widths to fit the calendar layout
Enter the dates in the correct day positions
Use borders to separate each date cell
Apply fill colors to highlight weekends or holidays
Format fonts, alignment, and cell size for readability
Add formulas if you want the calendar to update automatically
Save the workbook as an Excel file