# CausalClock

Package: [Microsoft.Orleans.Transactions](/orleans/docs/api/csharp/microsoft.orleans.transactions/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Transactions) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/Utilities/CausalClock.cs#L7)

```csharp
public class CausalClock
```

Supports all classes in the .NET class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all .NET classes; it is the root of the type hierarchy.

## Constructors

- [CausalClock(IClock)](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/constructors/constructor-orleans-transactions-iclock-276ecbfa/)

## Methods

- [Merge(DateTime)](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/methods/merge-system-datetime-5b40bcd6/)
- [MergeUtcNow(DateTime)](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/methods/mergeutcnow-system-datetime-3817bd38/)
- [UtcNow](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/methods/utcnow-8d321fff/)