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 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, ...

When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. Because Excel converts dates and times into numbers behind the scenes, ...

Excel is a powerful software that can do more advanced tasks than you may imagine. You can get Excel to automatically update the date in your Excel document each time you open it. Learning how to ...

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.