Add or Subtract Days Calculator

Calculate a past or future calendar date from any starting date

Start Date:

Operation:

Years:

Months:

Weeks:

Days:

Add:

Friday

November 20, 2026

2026-11-20

Day of Year:Day 324 of 365

Week Number:Week 47

Is Leap Year?No

Enter today’s date, choose "Add", and enter 90 days. The calculator will display the exact target date and day of the week.

Yes! Check the "Count Business Days Only (Skip Weekends)" option to skip Saturdays and Sundays.