How Can I Easily Convert Between Windows and IANA Time Zones in .NET?

<.> Convert Windows and IANA time zone

The time zone system is mainly divided into two types: the time zone used by the Microsoft Windows system and the time zone defined by the IANA time zone database (TZDB). The IANA time zone is widely used in the Internet API, but in some cases, it may need to be converted between the Windows time zone ID and the IANA time zone ID.

Convert by Windowszones.xml

Initially, the conversion was mainly based on the WindowsZones.xml file of the Unicode CLDR project. However, due to the low frequency of CLDR and the changes in time zones, there are only challenges to rely on this data.

TimezoneConverter micro -library

In order to solve these complexity, the TimezoneConverter micro -library was created. The library focuses on the logic of conversion and provides simplified Windows and Iana time zone conversion methods. How to use the example

It is very simple to use TimezoneConverter. The following is an example of how to execute the conversion:

Precautions

Although the IANA time zone can be mapped to a specific Windows time zone, it is not always the case. A single Windows time zone can correspond to multiple IANA time zones. TimezoneConverter returns the "Golden Times" of the specified Windows time zone (the bid in CLDR is "001"). However, you can provide national code to obtain other matching time zones in the country/region.

<code>string windowsTz = TZConvert.IanaToWindows("America/New_York");
// 结果："Eastern Standard Time"

string ianaTz = TZConvert.WindowsToIana("Eastern Standard Time");
// 结果："America/New_York"

string ianaTzWithCountry = TZConvert.WindowsToIana("Eastern Standard Time", "CA");
// 结果："America/Toronto"</code>

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