Tool to compute interval difference between two dates. Calculation of the number of days between two dates in order to estimate the length of a period.

Difference between 2 Dates - dCode

Tag(s) : Date and Time

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Tool to compute interval difference between two dates. Calculation of the number of days between two dates in order to estimate the length of a period.

Enter the 2 dates (year, month, day) and the dCode calculator will compure the number of days automatically. Calculation is made with the exact number of days **between two dates**, without counting the day itself.

__Example:__ A child born on the 2000-01-01, is 2 days old on the 2000-01-02 but the calculator will state that there is only 1 day between 1st January and 2nd January.

Algorithmically, dCode associates a date with a numeric value (such as the number of days since January 1st of year 1) and then performs a subtraction between the two date values.

Calculation takes into account the Gregorian Calendar and the Julian one before 1582.

Depending on the way of thinking, there are multiple answers

__Example:__ Between Tuesday and Wednesday, how many days are there?

Answer 0 : Between the day of Tuesday and the days of Wednesday there are zero day.

Answer 1 : From Tuesday to Wednesday, it takes one day (This is dCode answer).

Answer 2 : A journey beginning Tuesday and finishing Wednesday is 2 days long.

To get an answer in mode 0 or 2, add 1 or remove 1 to the value given by dCode.

Calculate the difference from the date of birth until today.

Datediff() is the name of the function that allows to do date difference calculations in most programming languages.

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Source : https://www.dcode.fr/date-difference

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