Home How to retrieve the system timezone in TZ format .net c#

# How to retrieve the system timezone in TZ format .net c#

chip
1#
chip Published in 2017-12-07 14:52:53Z
 I'm trying to work out how to retrieve the current system timezone in a (TZ) format on windows, ie. America/New_York, I need to supply this to an API this application communicates with. I'm currently using TimeZone.CurrentTimeZone  Which gives me this output GMT Standard Time  What I hope to get is something like Europe/London  Am I missing something simple or is this not available and thus does that mean I need to do the conversion myself?
Pac0
2#
 I recommend to use NodaTime for that. You can get the timezone of your system like that : DateTimeZone tz = DateTimeZoneProviders.Tzdb.GetSystemDefault();  It will get the IANA Timezone as you need if you use tz.ToString() (and apart from that, it is a very nice open source library that handles timezone, datetimes, instants and calendars in a IMHO much more structured and reliable way than the builtin .NET DateTime classes) EDIT : corrected with the right timezone provider For information, the output that you are getting and you don't want, the one used by .NET, is called BCL Timezone, but you want the IANA Timezone (or TZDB) (which is more accurate)
Ajay Kumar
3#
Ajay Kumar Reply to 2017-12-07 16:24:46Z
 localZone.DisplayName will be showing the names e-g, *Islamabad, Karachi.* TimeZoneInfo localZone = TimeZoneInfo.Local; Console.WriteLine("Local Time Zone ID: {0}", localZone.Id); Console.WriteLine("Display Name is: {0}.", localZone.DisplayName); Console.WriteLine("Standard name is: {0}.", localZone.StandardName); Console.WriteLine("Daylight saving name is: {0}.", localZone.DaylightName);  out put: Pakistan Standard Time Islamabad, Karachi. Pakistan Standard Time. Pakistan Daylight Time 
Matt Johnson
4#
Matt Johnson Reply to 2017-12-07 19:03:40Z
 Noda Time is an excellent option. It is a much better and more comprehensive API for working with dates, times, and time zones than what comes built-in to .NET. However, if getting the system time zone in IANA TZDB format is the only thing you are doing in this space, you may find it simpler to use my TimeZoneConverter library. string tz = TZConvert.WindowsToIana(TimeZoneInfo.Local.Id); 
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