Date Duration Calculator

Calculates the duration between two dates.

Date Duration
From
    1. AD BC
To
    1. AD BC
    1. The first day
    2. not include include

Duration
    1.  
    2. days
=
    1.  
    2. weeks 
    3. +
       
    4. days
=
    1.  
    2. months
    3. +
       
    4. days
=
    1.  
    2. years   
    3. +
       
    4. days
=
    1.  
    2. years   
    3. +
       
    4. months
    5. +
       
    6. 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.
Date Duration
[1-10] /115Disp-Num
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[1]  2018/11/15 12:54   Male / 20 years old level / Others / Useful /
Purpose of use
Determine the amount of time in years that Halley's comet has been recorded passing over earth (first recorded in 240 BC), for a story I'm writing
[2]  2018/11/08 05:33   Female / Under 20 years old / High-school/ University/ Grad student / Useful /
Purpose of use
To find out how long the Roman empire lasted (600 BCE to 467 CE). It's just over 1,000 years btw
Comment/Request
A year only option would be useful.
[3]  2018/11/03 08:17   Male / Under 20 years old / Elementary school/ Junior high-school student / Useful /
Purpose of use
To become a author.
[4]  2018/10/30 19:09   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
Comment/Request
I like it.
[5]  2018/10/26 04:04   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
To calculate the age of a Bronze coin of Rome that is dated back 330 AD.
[6]  2018/10/15 07:53   Female / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
To determine the years between Greek Archaic era (600 BCE) and the Chalukya Dynasty of ancient India (730 CE). Answer: 1,329 years.
[7]  2018/10/14 20:03   Male / 30 years old level / An engineer / Useful /
Purpose of use
To prove Julius Caesar died over 25k months ago.
[8]  2018/09/16 23:07   Male / 60 years old level or over / A retired person / Useful /
Purpose of use
Determination of the number of days since Hijra.
Comment/Request
Please provide a Hijra (A.H.) variant to support durations in the lunar calendar.
[9]  2018/09/15 09:57   Female / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
To understand how long ago certain works of literature were written and how they still relate to us today.
[10]  2018/09/13 11:20   Male / Under 20 years old / High-school/ University/ Grad student / A little /
Purpose of use
Biblical
Comment/Request
I wish I could adjust the number of days in a year for different calanders

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