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Excel DAYS function

Author: Xiaoyang Last Modified: 2019-06-19

To calculate the number of days between two given dates, the DAYS function in Excel can help you.

doc days function 1


 Syntax:

The syntax for the DAYS function in Excel is:

=DAYS (End_date, Start_date)

 Arguments:

  • End_date, Start_date: The two dates that calculate the number of days between.

 Return:

Return a number of days between two dates.


 Examples:

Example 1: To calculate the number of days between the start date and end date:

Please enter the below formula into a blank cell to get the number of days between two given dates:

=DAYS( B2, A2)

doc days function 1

Note: In the above formula, B2 is the end date, and A2 is the start date, please change them to your need.


Example 2: To calculate the number of days between today and another day:

Case 1: Calculate the days from today to deadline:

If you want to count the number of days from the current date till a specific date in future, please apply this formula:

=DAYS(A2, TODAY())

doc days function 2

Note: In this formula, A2 is the date of the deadline.

Case 2: Calculate the days from past date to today:

To calculate a number of days from today till a date in the past, please enter this formula:

=DAYS(TODAY(), A2)

doc days function 3

Note: In this formula, A2 is the past date that you want to calculate the number of days from.

Tips:

1. If the start date is greater than the end date, the calculated result will be a negative number as following screenshot shown:

doc days function 4

In this case, you can combine the ABS function with the DAYS function to get the positive number regardless of which order the dates are entered, please use this formula:

=ABS(DAYS(A2,B2))

doc days function 5

2. You can also replace the cell references in the above formulas with the date text string, such as:

=DAYS("2018/12/24","2018/1/12")

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