Use the workday tool
Add or count working days while distinguishing weekdays from local holidays.
What workday.you is for
The name emphasizes the reader's result: make the reference date and location explicit.
Keep the date and time zone visible
A clock reading or duration can cross midnight. Include the calendar date, UTC offset and named time zone whenever a result will be shared.
Continue on Time.now
The permanent resource is https://time.now/tool/business-days-calculator/. The full Time.now destination is available now.