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Editorial Team
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Asked: 2026-06-10T04:02:29+00:00

I have a system which consists of a C# back end and a Java

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I have a system which consists of a C# back end and a Java front end. The C# back end communicates with other systems and some mobile devices.


On the C# side, my task is among others to recognize the time zone of the timestamps coming from the mobile devices and create the corresponding TimeZoneInfo object. This is working without any problems.


On the Java side, I have to display the time zone information together with the data sent by a mobile device. I’m using the TimeZone class to store the time zone information within my domain objects.


Now the question is how can I create a Java’s TimeZone object which corresponds with a C#‘s TimeZoneInfo object? AFAIK the time zones do not have any unique IDs. Further on, the names are also different (e.g. in C#: “Central Europe Standard Time“, in Java “Central Europe Time“). Not even the number of the time zones in C# and in Java is equal!

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1 Answer

  1. Editorial Team

    You know that “time” is independent of “time zone”, so I won’t belabor that point 🙂

    “TimeZone” is really more a function of your OS than a programming language.

    Android “Time Zone IDs” correspond to the standard, IANA “Olson database”:

    The other half of the equation is mapping .Net timezones to the “standard”. This link should help:

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