Dates and times are stored as serial numbers in Microsoft Excel, allowing for quick calculations and comparisons. Serial numbers for dates start on January 1, 1900, while times are decimalized ...

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.

Learn how to combine Microsoft Excel’s ROW() and ROUNDUP() functions to create a flexible serial function that returns groups of consecutive values.