Excel Formula for Days Open from Today

Ever needed to calculate the number of days between two dates in Excel, with one date being 'today'? Excel's in-built functions make this a breeze. Let's explore how to find 'days open from today' using Excel's powerful functions.

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The key functions you'll need for this are TODAY() and the number of days calculation using subtraction. Let's dive in.

Understanding TODAY() Function

The TODAY() function in Excel returns the current date. It updates automatically each time you open the workbook, making it handy for calculating 'days open from today'.

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Here's how to use it: In a cell, type '=TODAY()' and hit Enter. The cell will display the current date.

TODAY() in Formulas

Now, let's use TODAY() in a formula to find the difference in days with another date. Suppose your other date is in cell A1. In another cell (e.g., B1), use the formula: '=TODAY()-A1' (Format the cell as a 'Number' with '0' decimal places).

The result will show the difference in days between today and the date in A1.

Days Open Calculation

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To find 'days open from today', simply use the formula without the parentheses around TODAY(): '=TODAY - A1'. This will treat TODAY as a text rather than a function, displaying 'days open' right in your cell.

If you want the result as a positive number, you could use '=MAX(0, TODAY-A1)' for non-negative 'days open from today'.

Days Open from Today: Including Weekend Days

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Sometimes, you might want to count weekends within your 'days open'. Excel's WORKDAY() function caters to this.

WORKDAY() subtracts the number of workdays (weekdays) from a start date. If you want to find the number of total days (including weekends) between two dates, you could use: '=DATEDIF(start_date, end_date, "D")'.

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WORKDAY() with Weekend Days

To calculate 'days open with weekends' from today using WORKDAY(), you'll need two additional cells. Suppose today's date is in cell A1, and your other date is in B1. In cell C1, place '=WORKDAY (A1,B1,1)'.

Then, in cell D1, subtract C1 from A1: '=A1-C1'. The result in D1 will show the number of days including weekends.

DATEDIF Function

Similar to the WORKDAY() method, use DATEDIF() to find the total days including weekends. Assuming today's date in A1 and your other date in B1, place this formula in a new cell: '=DATEDIF(A1,B1,"D")'.

The result will be the number of days open including weekends.

With these methods, you're equipped to calculate 'days open from today' in Excel, including weekends if needed. Happy calculating!