Add business days to a date excluding public holidays

You can add a certain number of business days to an existing date by using the WORKDAY.INTL function.
The public holidays that we want to exclude are in cells "A3:A5".

Example

	A
1	=TODAY() = Tuesday 01 July 2025
2	=NOW() = Tuesday 01 July 2025 04:43:31
3	=WORKDAY.INTL(A1, 2) = Thursday, 03 July, 2025 12:00 AM
4	=WORKDAY.INTL(A1, 4) = Monday, 07 July, 2025 12:00 AM
5	=WORKDAY.INTL(A1, 6) = Wednesday, 09 July, 2025 12:00 AM
6	=WORKDAY.INTL(A1, 5, , A3:A5) = Friday, 11 July, 2025 12:00 AM

1 - Displays the current date. Custom format "dddd dd mmmm yyyy".
2 - Displays the current date and time. Custom format "dddd dd mmmm yyyy hh:mm:ss".
3 - Displays 2 business days after the date in cell "A1".
4 - Displays 4 business days after the date in cell "A1".
5 - Displays 6 business days after the date in cell "A1".
6 - Displays the date that is 5 business days after the date in cell "A1" excluding the 3 public holidays.
All these cells have been formatted with the custom number format "dddd, dd mmmm, yyyy hh:mm AM/PM".

Built-in Functions

TODAY - The date serial number representing today's date.
NOW - The date serial number of the current system date and time.
WORKDAY.INTL - The date serial number that is a given number of working days before or after a date.

Related Formulas

Subtract business days from a date excluding public holidays
Add business days to a date
Add business days to a date changing the days of the weekend
Add days to a date including weekends
Add days to a date not landing on a weekend
Number of business days between 2 dates