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You can use conditional formatting, only instead of using a cell, you can compare to the formula HOJE()
And if you want to see other formatting, there is this link: https://www.ablebits.com/office-addins-blog/2014/06/17/excel-conditional-formatting-dates/
Have you tried this link: https://www.ablebits.com/office-addins-blog/2014/06/17/excel-conditional-formatting-dates/
– Willian