# TimeProviderNames.SystemTimers

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.timeprovidernames/) | [Fields](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.timeprovidernames/fields/)

```csharp
public const string SystemTimers
```

The clock used by silo background maintenance loops driven by `IAsyncTimerFactory` (grain directory maintenance and similar), excluding cluster membership, which uses [TimeProviderNames](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.timeprovidernames/).