<PackageReference Include="System.Reactive" Version="6.0.0" />

INotifySystemClockChanged

public interface INotifySystemClockChanged
(Infrastructure) Provides a mechanism to notify local schedulers about system clock changes.
using System.ComponentModel; using System.Runtime.CompilerServices; namespace System.Reactive.PlatformServices { [System.Runtime.CompilerServices.NullableContext(1)] [EditorBrowsable(EditorBrowsableState.Never)] public interface INotifySystemClockChanged { event EventHandler<SystemClockChangedEventArgs> SystemClockChanged; } }