Date Functions

Using date functions in Excel

Using date functions in Excel you can manage projects. Excel can calculate the working days needed to complete a project using straightforward formulas.  How does Excel recognize dates and the relevant functions and formulas?

  • Excel stores dates as serial numbers starting with 1 which represents January 1, 1900.
  • February 1, 1900 is stored as 32 and so on
  • Excel recognizes dates if you enter them as 05/25/2008 or 05-25-2008 or May 25, 2008
  • If the #VaLUE! error appears instead of a formula result, check the formatting of the dates entered.
  • In case you see a number after using a formula in a cell rather than a date, click on ‘format’ in the menu bar, select ‘cells…’ and then ‘date’ from the dialogue box
  • The Networkdays function calculates the weekdays between two dates.
  • The Workday  formula can help the user find the delivery date of a project.

The training video shows how to calculate number of workdays between two dates in Excel:

Further reading:
How to use dates and times in Excel
Dates And Times In Excel

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