Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM, WORKDAY, ...

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Do you often stare at a spreadsheet, deal with endless data, and feel like there has to be a better way to get things done?

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 has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...