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.

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Sometimes, the YEAR function returns the correct value, but Excel displays an unexpected year, such as 1900 or 1905. This occurs when the cell containing the YEAR formula is formatted as a Date ...

To kick things off, let’s explore how to perform essential calculations like determining the total salary and headcount by department. This is where functions such as `COUNTIFS`, `SUMIFS`, and ...

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); ...

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 ...

DATEVALUE is a Date and Time function, and its purpose is to convert a date in the form of text to a serial number. In this post, we will show you how to use the DATEVALUE function in Microsoft Excel.