Add Days to Date Calculator

Add days to a date to find a future date.

Start Date

Days to Add

How to Calculate

New Date = Start Date + Number of Days

Take the start date and add the specified number of days to it.

Worked Example

Start date: 1 August 2026, Add: 30 days → 31 August 2026.

Subtract days from a date to find a past date.

Calculate the number of days between two dates.

Count working days between two dates.