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 Friday, October 2, 1998
Added 59 months, 389 days
Normalized to 4 years, 11 months, 389 days


Result: Saturday, September 25, 2004

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


Alternative result: Sunday, September 26, 2004

If the smaller units (days) are added first

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Calendar showing period from October 2, 1998 to September 25, 2004

October 1998
29 days added
SunMonTueWedThuFriSat
    123
45678910
11121314151617
18192021222324
25262728293031
November 1998
30 days added
SunMonTueWedThuFriSat
1234567
891011121314
15161718192021
22232425262728
2930     
December 1998–August 2004
December 1998: 31 days added
Year 1999: 365 days added
Year 2000: 366 days added
Year 2001: 365 days added
Year 2002: 365 days added
Year 2003: 365 days added
January 2004–August 2004: 244 days added
September 2004
25 days added
SunMonTueWedThuFriSat
   1234
567891011
12131415161718
19202122232425
2627282930  

 
= Start date (Oct 2, 1998)  
 
= Final result date (Sep 25, 2004)  
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