To convert a serial number to a date format, follow the steps below. Select the cell you want to format. On the Home tab in the Number group, click the bottom right arrow.

When this happens, use the DATEVALUE function to convert the text dates to Excel serial numbers. To test this function, enter five dates—as text—in cells A5 through A9.

A serial date, on the other hand, is a numerical value that represents a date in Excel. Both serial numbers and serial dates can be useful for data analysis, sorting, and filtering. To assign serial ...

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's Date & Time functions help you calculate a day's serial number, move to a 360-day accounting calendar, and more. ... To convert the serial number to a Time format ...

Dates and times are stored as serial numbers in Microsoft Excel, ... To fix this, you'll need to convert all the data to time-date formats. See example 7 for more details.

In Excel, every date is stored as a serial number, starting from January 1, 1900, which is serial number 1. So, January 2, 1900, is serial number 2, January 3, 1900, is serial number 3, and so on.