https://github.com/arman-g/agecalculator

The Age Calculator is a library (based on the Gregorian calendar) which can be used to calculate the age between two dates and output years, months, days and time components.
https://github.com/arman-g/agecalculator

age-calculator csharp-library dot-net nuget-package

Last synced: 3 days ago
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The Age Calculator is a library (based on the Gregorian calendar) which can be used to calculate the age between two dates and output years, months, days and time components.

• Host: GitHub
• URL: https://github.com/arman-g/agecalculator
• Owner: arman-g
• License: mit
• Created: 2021-09-14T21:44:32.000Z (about 3 years ago)
• Default Branch: main
• Last Pushed: 2024-03-15T08:00:54.000Z (7 months ago)
• Last Synced: 2024-03-16T06:37:05.134Z (7 months ago)
• Topics: age-calculator, csharp-library, dot-net, nuget-package
• Language: C#
• Homepage:
• Size: 70.3 KB
• Stars: 5
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Age Calculator

[![.NET](https://github.com/arman-g/AgeCalculator/actions/workflows/dotnet.yml/badge.svg)](https://github.com/arman-g/AgeCalculator/actions/workflows/dotnet.yml)

[![GitHub](https://img.shields.io/github/license/arman-g/AgeCalculator)](https://github.com/arman-g/AgeCalculator/blob/main/LICENSE)

[![GitHub issues](https://img.shields.io/github/issues/arman-g/AgeCalculator)](https://github.com/arman-g/AgeCalculator/issues)

[![Nuget](https://img.shields.io/nuget/v/AgeCalculator)](https://www.nuget.org/packages/AgeCalculator/)

The **Age Calculator** is a library *(based on the **Gregorian** calendar)* which can be used to calculate the age between two dates and output years, months, days and time components.

In addition to the default calculation algorithm, it can be configured so that **Feb 29th** of a leap year be considered as **Feb 28th** of a non-leap year *(making **1-year** cycle)* with switch of a flag. By default, the flag is off.

## How To Use (C# Code)

``` csharp

/* There are three ways to calculate the age between two dates */

using AgeCalculator;

using AgeCalculator.Extensions;

public void PrintMyAge()

{

    // Date of birth or from date.

    var dob = DateTime.Parse("10/03/2015");

    

    // #1. Using the Age class constructor.

    var age = new Age(dob, DateTime.Today); // as of 09/19/2021

    Console.WriteLine($"Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

    

    // #2. Using DateTime extension.

    age = dob.CalculateAge(DateTime.Today); // as of 09/19/2021

    Console.WriteLine($"Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

    

    // #3. Using the Age type's static function.

    age = Age.Calculate(dob, DateTime.Today); // as of 09/19/2021

    Console.WriteLine($"Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

}

// Output:

// Age: 5 years, 11 months, 16 days, 00:00:00

```

``` csharp

/* In this example, Feb 29 of a leap year is considered as Feb 28 of a non leap year. */

using AgeCalculator;

using AgeCalculator.Extensions;

public void PrintAge()

{

    // Example 1

    var dob = DateTime.Parse("02/29/2016");

    var toDay = DateTime.Parse("02/28/2021");

    var age = new Age(dob, toDay, true); // <- Switch the flag ON. Default is OFF.

    Console.WriteLine($"Example 1 - Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

    

    // Example 2

    dob = DateTime.Parse("02/29/2016");

    toDay = DateTime.Parse("02/28/2021 00:00:01");

    age = dob.CalculateAge(toDay, true); // <- Switch the flag ON. Default is OFF.

    Console.WriteLine($"Example 2 - Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

    

    // Example 3

    dob = DateTime.Parse("02/29/2016 00:00:02");

    toDay = DateTime.Parse("02/28/2021 00:00:01");

    age = Age.Calculate(dob, toDay, true); // <- Switch the flag ON. Default is OFF.

    Console.WriteLine($"Example 3 - Age: {age.Years} years, {age.Months} months, {age.Days} days, {age.Time}");

}

// Output:

// Example 1 - Age: 5 years, 0 months, 0 days, 00:00:00

// Example 2 - Age: 5 years, 0 months, 0 days, 00:00:01

// Example 3 - Age: 4 years, 11 months, 27 days, 23:59:59

```

## Default Outputs

```

// 02/28/2020:L - 02/29/2020:L    Age: 0 years, 0 months, 1 days, 00:00:00

// 02/29/2020:L - 02/29/2020:L    Age: 0 years, 0 months, 0 days, 00:00:00

// 02/29/2020:L - 03/01/2020:L    Age: 0 years, 0 months, 1 days, 00:00:00

// 02/29/1960:L - 02/28/2021:N    Age: 60 years, 11 months, 28 days, 00:00:00

// 02/29/1960:L - 03/01/2021:N    Age: 61 years, 0 months, 1 days, 00:00:00

// With Time Component:

// 01/05/2020 07:28:12:L - 02/05/2022 06:30:15:N    Age: 2 years, 0 months, 30 days, 23:02:03

// 02/05/2020 07:28:12:L - 01/05/2022 06:30:15:N    Age: 1 years, 10 months, 28 days, 23:02:03

// 02/05/2020 23:59:59:L - 01/06/2022 00:00:00:N    Age: 1 years, 11 months, 0 days, 00:00:01

// 02/05/2021 05:28:12:N - 02/05/2021 06:30:15:N    Age: 0 years, 0 months, 0 days, 01:02:03

// 02/05/2021 07:28:12:N - 02/06/2021 06:30:15:N    Age: 0 years, 0 months, 0 days, 23:02:03

// 02/29/2016 00:00:00:L - 02/28/2021 00:00:01:N    Age: 4 years, 11 months, 28 days, 00:00:01

// 02/29/2016 00:00:02:L - 02/28/2021 00:00:01:N    Age: 4 years, 11 months, 27 days, 23:59:59

// 02/29/2016 00:00:00:L - 03/01/2021 00:00:01:N    Age: 5 years, 0 months, 1 days, 00:00:01

// 02/29/2016 00:00:02:L - 03/01/2021 00:00:01:N    Age: 5 years, 0 months, 0 days, 23:59:59

```