Learn essential date functions in Excel from beginner to pro in this tutorial. You'll discover how to calculate the number of working days between two dates and convert project timelines from months ...

The DAYS function in Microsoft Excel returns the number of days between two dates. The formula for the DAYS (end_date, start_date). The DAYS360 function returns the number of days between two dates ...

Excel already knows when the month ends.

Calculate the difference between two values in your Microsoft Excel worksheet. Excel provides one general formula that finds the difference between numbers, dates and times. It also provides some ...

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 ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...