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

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Today

From Tuesday, September 11, 2001
Added 389 weeks, 777 days
Normalized to 3500 days


Result: Tuesday, April 12, 2011

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Calendar showing period from September 11, 2001 to April 12, 2011

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–March 2011
November 2001–December 2001: 61 days added
Year 2002: 365 days added
Year 2003: 365 days added
Year 2004: 366 days added
Year 2005: 365 days added
Year 2006: 365 days added
Year 2007: 365 days added
Year 2008: 366 days added
Year 2009: 365 days added
Year 2010: 365 days added
January 2011–March 2011: 90 days added
April 2011
12 days added
SunMonTueWedThuFriSat
     12
3456789
10111213141516
17181920212223
24252627282930

 
= Start date (Sep 11, 2001)  
 
= Final result date (Apr 12, 2011)  
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