Date Tool

Date Calculator

Calculate the number of days between dates, or add and subtract days, weeks, months and years from a date.

Days between dates

Find the exact number of days between two calendar dates.

Start date

End date

Include end date

0 days

Select two dates to calculate.

Add or subtract from date

Add or subtract days, weeks, months and years from a selected date.

Start date

Years

Months

Weeks

Days

Operation

Select date

Resulting date

Related tools: Time Calculator, Unit Converter, Loan Calculator

About this date calculator

This tool helps you calculate date differences and add or subtract time from calendar dates. It is useful for deadlines, planning, travel, projects, subscriptions and everyday date calculations.