DayPlus

DayPlus[date,n] gives the date n days away from date.

DayPlus[date,n,daytype] gives the date that is n days of daytype away from date.

Examples

Get the date 10 days from today:

DayPlus[Today, 10]

Get 5 business days from a specific date:

DayPlus[{2024, 1, 1}, 5, "BusinessDay"]

Please visit the official Wolfram Language Reference for more details.