Date Calculator

Calculate future/past dates by adding/subtracting time periods or find days between two dates.

Today's Date: April 05, 2026

Start Date

Month

Day

Year

Or leave empty to use today's date

Time Period to Add

Years

Months

Weeks

Days

Month

Day

Year

Month

Day

Year

Date Calculator Tab: Add or subtract days, weeks, months, or years from any start date
Days Between Dates Tab: Calculate the number of days, weeks, and months between two dates
Leave date fields empty to use today's date
Use this for project deadlines, vacation planning, billing cycles, or any date calculations