Date Duration Calculator

Calculates the duration between two dates.

Date Duration
From
AD BC
To
AD BC
The first day
not include include
 
Duration
days
=
weeks +
days
=
months+
days
=
years   +
days
=
years   +
months+
days

The Gregorian calendar is used for dates on and after October 15, 1582 A.D. and the Julian calendar is used before October 4, 1582.

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Age
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40 years old level 50 years old level 60 years old level or over
Occupation
Elementary school/ Junior high-school student
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Purpose of use?
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