Excel already knows when the month ends.

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 ...

Last week I explained how Excel uses its own, unique system of serial numbers to calculate dates and times. That piece covered nine Date & Time functions: NETWORKDAYS(), DATEVALUE(), NOW(), DAY(), ...

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 ...

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.