Date Calculator: Add To Or Subtract From A Date

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Start Date

Day: / Month: / Year:Date:

Today

Add/Subtract:(+) Add(–) SubtractYears:Months:Weeks:Days:Include the timeInclude only certain weekdaysRepeat: Calculate times

Need some help?

Calendar with Logo (PDF)

Add your company logo to our printable calendars.

Date Calculator API

Find a specific business date and calculate the working days in a given period.

Help and Example Use

• Some typical uses for the Date Calculators

Date Calculators

• Duration Between Two Dates – Calculates number of days
• Time and Date Duration – Calculate duration, with both date and time included
• Birthday Calculator – Find when you are 1 billion seconds old
• Weekday Calculator – What Day is this Date? – Find the weekday for any date
• Week Number Calculator – Find the week number for any date

Related Links

• Calendar & Holidays Overview – Explore calendar tools
• Calendar Generator – Create a calendar for any year
• The World Clock – Current time all over the world
• Countdown to Any Date – Create your own countdown

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