Excel University Blog

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Automatic Public Holidays Calendar

By Jeff Lenning | December 9, 2025 |

Wouldn’t it be great if Excel could automatically generate a list of public holidays based on a single year input? And even better, have that holiday table update all related formulas and schedules across your workbook? Well, that’s exactly what we’re going to build in this post—an automatic calendar in Excel with public holidays, dynamically…

Excel Month List

By Jeff Lenning | November 2, 2021 |

In this post, we’ll create a list of months with a single Excel formula. To make it more interesting, we’ll allow the user to enter the desired number of months to display and create additional formulas to show the last day of each month, the number of days in the each month, the month number,…

Excel Calendar with One Formula

By Jeff Lenning | October 20, 2021 |

In this post, we’ll see how to create an Excel calendar with a single formula. Specifically, we will write a formula that displays the days of any month in a graphical calendar format. Our graphical calendar displays the days of the specified month in 7 columns (Sunday through Saturday) and includes a row for each…

Compute the Last Day of the Month in Excel

By Jeff Lenning | March 7, 2013 |

As you probably know, I like converting manual input cells to formula cells in Excel. To me, the more I can delegate to Excel the better off I am.  Some workbooks can benefit by automatically computing the last day of the month, eliminating one more manual input cell. As you also know, it seems that…