Easy.Tools.DateTimeHelper 1.0.9

dotnet add package Easy.Tools.DateTimeHelper --version 1.0.9
                    
NuGet\Install-Package Easy.Tools.DateTimeHelper -Version 1.0.9
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Easy.Tools.DateTimeHelper" Version="1.0.9" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Easy.Tools.DateTimeHelper" Version="1.0.9" />
                    
Directory.Packages.props
<PackageReference Include="Easy.Tools.DateTimeHelper" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Easy.Tools.DateTimeHelper --version 1.0.9
                    
#r "nuget: Easy.Tools.DateTimeHelper, 1.0.9"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Easy.Tools.DateTimeHelper@1.0.9
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Easy.Tools.DateTimeHelper&version=1.0.9
                    
Install as a Cake Addin
#tool nuget:?package=Easy.Tools.DateTimeHelper&version=1.0.9
                    
Install as a Cake Tool

Build & Test Build & Release Build & Nuget Publish Release License NuGet

Easy.Tools.DateTimeHelper

Easy.Tools.DateTimeHelper is a lightweight, high-performance .NET library that extends the DateTime struct. It simplifies complex date operations such as age calculation, business day arithmetic, Unix timestamp conversion, and ISO 8601 week calculations.

Features

  • Advanced Age Calculation: Get age in years or detailed (Years, Months, Days).
  • Business Days: Add/Subtract workdays (automatically skips weekends).
  • Time Travel: Easily get Start/End of Day, Week, or Month.
  • ISO 8601 Support: Correctly calculates WeeksInYear (52 or 53 weeks).
  • Unix Integration: Convert to/from Unix Timestamps (Seconds).
  • Time Zones: Convert dates between specific Time Zones easily.
  • Fluent API: Check for IsWeekend, IsLeapYear, IsBetween, etc.

Installation

Install via NuGet Package Manager:

Install-Package Easy.Tools.DateTimeHelper

Or via .NET CLI:

dotnet add package Easy.Tools.DateTimeHelper

Usage Example

1. Age Calculation

Calculates age correctly, accounting for leap years.

using Easy.Tools.DateTimeHelper.Extensions;

var birthDate = new DateTime(1990, 5, 20);

// Simple Age
int age = birthDate.CalculateAge(); // Output: 34

// Detailed Age
var (years, months, days) = birthDate.CalculateAgeDetailed();
Console.WriteLine($"You are {years} years, {months} months, and {days} days old.");

2. Business Days (Workdays)

Skip weekends when adding days.

var friday = new DateTime(2023, 10, 6); // Friday

// Add 3 business days (Skips Sat/Sun) -> Target is Wednesday
var nextWednesday = friday.AddBusinessDays(3);

3. Start & End of Periods

Useful for reporting and database queries.

var now = DateTime.Now;

var startOfDay   = now.StartOfDay();   // 2023-10-06 00:00:00
var endOfDay     = now.EndOfDay();     // 2023-10-06 23:59:59.999

var startOfWeek  = now.StartOfWeek();  // Monday of the current week
var endOfWeek    = now.EndOfWeek();    // Sunday of the current week

var startOfMonth = now.StartOfMonth(); // 1st day of month
var endOfMonth   = now.EndOfMonth();   // Last day of month

4. Unix & Time Zones

// Unix Timestamp
long timestamp = DateTime.UtcNow.ToUnixTimestamp();
DateTime myDate = DateTimeExtensions.FromUnixTimestamp(timestamp);

// Time Zone Conversion
var utcDate = DateTime.UtcNow;
var estDate = utcDate.ConvertToTimeZone("Eastern Standard Time");

5. ISO 8601 Weeks

Correctly handles years that have 53 weeks.

var date = new DateTime(2020, 12, 31);
int weeksInYear = date.WeeksInYear(); // Returns 53 for ISO 8601 compliance

6. Helper Predicates

Correctly handles years that have 53 weeks.

if (DateTime.Now.IsWeekend())
{
    Console.WriteLine("It's party time! ");
}

if (myDate.IsBetween(startDate, endDate))
{
    // Do something...
}

var nextFriday = DateTime.Now.NextWeekday(DayOfWeek.Friday);

Contributing

Contributions and suggestions are welcome. Please open an issue or submit a pull request.


License

This project is licensed under the MIT License.


� 2025 Elmin Alirzayev / Easy Code Tools

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 is compatible.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 is compatible.  net48 is compatible.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • .NETFramework 4.7.2

    • No dependencies.
  • .NETFramework 4.8

    • No dependencies.
  • .NETStandard 2.0

    • No dependencies.
  • .NETStandard 2.1

    • No dependencies.
  • net10.0

    • No dependencies.
  • net6.0

    • No dependencies.
  • net7.0

    • No dependencies.
  • net8.0

    • No dependencies.
  • net9.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last Updated
1.0.9 105 1/26/2026
1.0.8 110 1/23/2026
1.0.7 105 1/21/2026
1.0.6 213 8/12/2025
1.0.4 278 8/8/2025
1.0.2 179 7/31/2025

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