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Excel - WORKDAY.INTL Function
WORKDAY.INTL Function
The Excel WORKDAY.INTL function generates the date serial number before or after a certain number of working days using the custom weekend parameter. It is an enhanced version of the WORKDAY function. This function is very beneficial in financial management, incident management, inventory management, and the healthcare sector. For example, it evaluates project completion dates, computes patient discharge dates, and identifies due dates for resolving incidents.
Compatibility
This advanced Excel function is compatible with the following versions of MS-Excel
- Excel for Microsoft 365
- Excel for Microsoft 365 for Mac
- Excel for the web
- Excel 2024
- Excel 2024 for Mac
- Excel 2021
- Excel 2021 for Mac
- Excel 2019
- Excel 2016
- Excel Web App
- Excel 2013
- Excel 2010
Syntax
The syntax of WORKDAY.INTL formula is as follows −
=WORKDAY.INTL(start_date, days, [weekend], [holidays])
Arguments
You can use the following arguments with the WORKDAY.INTL function −
| Argument | Description | Required / Optional |
|---|---|---|
| Start_date | It specifies the date serial number or date that represents the start date. | Required |
| Days |
It shows the number of workdays prior to or following the start_date.
Day-offset value will be truncated to an integer. |
Required |
| Weekend | A numeric value ranging from 1 to 7, 11 to 17 represents the weekend days. Look at the Weekend table below. | Optional |
| Holidays | It specifies the array of dates that denotes the holidays, floating days. | Optional |
Weekend Table
This table show the weekend number corresponding to the weekend days.
| Weekend Number | Weekend Days |
|---|---|
| 1 or skipped | Saturday, Sunday |
| 2 | Sunday and Monday |
| 3 | Monday and Tuesday |
| 4 | Tuesday and Wednesday |
| 5 | Wednesday and Thursday |
| 6 | Thursday and Friday |
| 7 | Friday and Saturday |
| 11 | Sunday only |
| 12 | Monday only |
| 13 | Tuesday only |
| 14 | Wednesday only |
| 15 | Thursday only |
| 16 | Friday only |
| 17 | Saturday only |
Points to Remember
- If start_date is beyond the range for the current date base value, then the WORKDAY.INTL function will retrieve the #NUM! error.
- If holidays date is beyond the range for the current date base value, then the WORKDAY.INTL function will retrieve the #NUM! error.
- If start_date adds with day-offset produces an invalid date, then the WORKDAY.INTL function will retrieve the #NUM! error.
- If the "weekend" argument contains an invalid numeric value, then, in this case, the WORKDAY.INTL function generates the #NUM! error.
- If a special character or weekend length is of invalid string, then the WORKDAY.INTL function will retrieve the #VALUE! error.
- If the invalid dates are specified in the "start date" or the "array's date", then the WORKDAY.INTL function will return the #VALUE! error.
- If the "days" argument contains a non-numeric value, then the WORKDAY.INTL function will retrieve the #VALUE! error.
Example of WORKDAY.INTL Function in Excel
In this example, we have assigned the server configuration tasks to a few desktop engineers, each requiring 7 working days from the given start date. The main goal is to extract the date specifying 7 working days after the start date using the WORKDAYS.INTL function.
Solution
Step 1 − Assume the sample dataset consists of three columns Task's Start Date, No. of Working Days and Result.
Step 2 − After that, select the cell range D2:D4 and write the formula =WORKDAY.INTL(B2,C2) in the formula bar.
Step 3 − Afterward, press the "Ctrl+Enter" to calculate the date serial number. The WORKDAY.INTL function ignored the weekend days Saturday and Sunday by default when computing the result.
Step 4 − If you wish to assign the server configuration task with the 5 working days where Monday and Tuesday are considered as the weekend days. Then in this scenario, enter the formula =WORKDAY.INTL("22-03-2024",5,3) in the C6 cell.
Therefore, the WORKDAY.INTL function will retrieve the 45380 specifying the date serial number.
Download Practice Sheet
You can download and use the sample data sheet to practice the WORKDAY.INTL function.
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