Date calculator: Add to or subtract from a date

This service enables you to add or subtract days, months and years to a date to calculate a past or future date.

Design changes: What is new and why?

Start Date

 / 
 / 

Today

From Tuesday, September 11, 2001
Added 7 months, 119 weeks
Normalized to 7 months, 833 days


Result: Thursday, July 22, 2004

If the larger units (months/years) are added before the smaller units (days).


Alternative result: Friday, July 23, 2004

If the smaller units (days) are added first

◀ Make adjustmentStart Again ▶

Calendar showing period from September 11, 2001 to July 22, 2004

September 2001
19 days added
SunMonTueWedThuFriSat
      1
2345678
9101112131415
16171819202122
23242526272829
30      
October 2001
31 days added
SunMonTueWedThuFriSat
 123456
78910111213
14151617181920
21222324252627
28293031   
November 2001–June 2004
November 2001–December 2001: 61 days added
Year 2002: 365 days added
Year 2003: 365 days added
January 2004–June 2004: 182 days added
July 2004
22 days added
SunMonTueWedThuFriSat
    123
45678910
11121314151617
18192021222324
25262728293031

 
= Start date (Sep 11, 2001)  
 
= Final result date (Jul 22, 2004)  
Advertising

Help and example use

Date Calculators

Related links