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.

If you have to work with a date stamp in Microsoft Excel that includes date and time, you can use these simple expressions to extract both components, making them easier to work with.

In Microsoft Excel, learn how to report time values by the hour using the underlying date serial value.

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000. It's fallen off current Excel menus, but you can still use ...

Dynamic time stamps change the date or time in a cell to the current time whenever the spreadsheet is recalculated. Static time stamps display today's date or time when you set it, without ...

You can change the date & time format in Google Sheets & Excel Online using this guide. Use different date & time formats in spreadsheets.