[Bug] TimeZoneInfo convert time is not updated correctly for Jordan Standard Time

[saiganesh-sakthivel]

Description

[Bug] TimeZoneInfo convert time is not updated correctly for Jordan Standard Time. It differ for the iOS and other platforms (Android, UWP). In android and UWP the TimeZoneInfo.ConvertTime() from UTC to Jordan returns +2 hrs but iOS returns +3hrs.

Code Snippet public MainPage() { InitializeComponent(); var newdate = new DateTime(2018, 03, 25, 09, 0, 0); UTCTime.Text = newdate.ToString(); var timeZone = TimeZoneInfo.FindSystemTimeZoneById(GetTimeZone()); var jordandate = TimeZoneInfo.ConvertTime(newdate, TimeZoneInfo.Utc, timeZone); JordanTime.Text = jordandate.ToString(); }

string GetTimeZone() { switch (Device.RuntimePlatform) { case Device.UWP: return "Jordan Standard Time"; default: return "Asia/Amman"; } }

Steps to Reproduce

1. Run the sample.
2. in android, iOS and UWP platforms.
3. in android and UWP will returns time +2hrs from UTC but iOS will returns time +3hrs.

Expected Behavior

It should returns +3hrs as per the world time. https://www.timeanddate.com/time/zone/jordan

Actual Behavior

Android and UWP returns +2hrs

Basic Information

• Version with issue:
• Last known good version:
• Platform Target Frameworks:
  • iOS: 14.1
  • Android: 10
  • UWP: windows 10 version 2104
• Android Support Library / AndroidX Version:
• NuGet Packages: 5.0.0.2578
• Affected Devices:

Environment

Show/Hide Visual Studio info

``` ```

Build Logs

Screenshots

UWP

iOS

Reproduction Link

ScheduleXamarin.zip

Workaround

[jfversluis]

I highly doubt this has something to do with Xamarin.Forms. Try to create a Xamarin.Android and UWP project without Forms and see if it has the same behavior. If it does, it might be something for the Xamarin.Android team or even the runtime team.