Soenneker.Extensions.TimeZoneInfos 4.0.17

Prefix Reserved
.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 
dotnet add package Soenneker.Extensions.TimeZoneInfos --version 4.0.17
                    


                    

                
NuGet\Install-Package Soenneker.Extensions.TimeZoneInfos -Version 4.0.17
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="Soenneker.Extensions.TimeZoneInfos" Version="4.0.17" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Soenneker.Extensions.TimeZoneInfos" Version="4.0.17" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Soenneker.Extensions.TimeZoneInfos" />
                    


                            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 Soenneker.Extensions.TimeZoneInfos --version 4.0.17
                    


                    

                
#r "nuget: Soenneker.Extensions.TimeZoneInfos, 4.0.17"
#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 Soenneker.Extensions.TimeZoneInfos@4.0.17
#: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=Soenneker.Extensions.TimeZoneInfos&version=4.0.17
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Soenneker.Extensions.TimeZoneInfos&version=4.0.17
                    


                            Install as a Cake Tool

alternate text is missing from this package README image alternate text is missing from this package README image alternate text is missing from this package README image alternate text is missing from this package README image

alternate text is missing from this package README image Soenneker.Extensions.TimeZoneInfos

Map the four continental US time-zone IDs to stable, daylight-agnostic abbreviations.

Installation

dotnet add package Soenneker.Extensions.TimeZoneInfos

Usage

using Soenneker.Extensions.TimeZoneInfos;

TimeZoneInfo timeZone = TimeZoneInfo.FindSystemTimeZoneById("America/Chicago");
string abbreviation = timeZone.ToSimpleAbbreviation(); // "CT"

The mapping recognizes both Windows and IANA identifiers:

Windows ID IANA ID Result
Eastern Standard Time America/New_York ET
Central Standard Time America/Chicago CT
Mountain Standard Time America/Denver MT
Pacific Standard Time America/Los_Angeles PT

The comparison is case-insensitive. Other zones return "Unknown".

The result deliberately does not distinguish standard time from daylight time: New York returns ET, not EST or EDT. This method does not inspect an instant or calculate an offset; use TimeZoneInfo.GetUtcOffset() when the date-specific offset matters.

Product Compatible and additional computed target framework versions.
.NET 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. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

  • net10.0

    • No dependencies.

NuGet packages (2)

Showing the top 2 NuGet packages that depend on Soenneker.Extensions.TimeZoneInfos:

Package Downloads
Soenneker.Extensions.DateTime

A collection of helpful DateTime extension methods
Soenneker.Extensions.DateTimeOffsets

A collection of helpful DateTimeOffset extension methods

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
4.0.17 6,132 8/30/2026
4.0.16 1,662 8/29/2026
4.0.15 17,401 7/28/2026
4.0.14 6,807 7/16/2026
4.0.13 12,167 6/18/2026
4.0.12 10,698 6/5/2026
4.0.11 12,461 4/22/2026
4.0.10 11,703 3/12/2026
4.0.9 473 3/12/2026
4.0.7 488 3/12/2026
4.0.6 8,052 3/10/2026
4.0.5 2,131 3/9/2026
4.0.4 129 3/9/2026
4.0.3 135 3/9/2026
4.0.2 9,520 3/4/2026
4.0.1 40,567 1/2/2026

Define time zone abbreviation mapping