When you use Microsoft Excel to store and analyze business data, your workbooks and worksheets often contain date information. Although your original data may need to display full month, day and year ...

If you want to use a date format according to how another language displays dates, choose the language in Locale (location).

The most useful Excel date functions handle everyday workflows like countdowns, working days, and month-based planning ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...