Excel may return a serial number instead of a date; because it is stored thus in the backend. Learn how to convert Serial Number to Date.

The EOMONTH function in Microsoft Excel returns the last day of a month in the past, the current month, or a month in the ...

These serial numbers constitute Excel's internal storage format for date entries. For example, "2012" entered into a date-formatted cell becomes July 5, 1909 in Excel for the Mac and July 4, 1905 ...

Excel stores dates as a regular serial number. In Excel’s worldview, time began on Jan. 1, 1900. That was day one, January 2, 1900 was day two, and so forth.