# GH_Time class

Namespace: [Grasshopper.Kernel.Types](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.types.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public class GH_Time : GH_Goo<DateTime>
```

Represents a date and time. GH_Time re-implements the framework System.DateTime type.

## Constructors

- [GH_Time](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/ctor.md): (3 overloads) Blank constructor

## Properties

- [IsValid](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/isvalid.md): Gets the validity of this instance. Datetime is valid if it's not equal to DateTime.MaxValue
- [IsValidWhyNot](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/isvalidwhynot.md): Gets a string describing the state of "invalidness". If the instance is valid, then this property should return Nothing or String.Empty.
- [TypeDescription](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/typedescription.md)
- [TypeName](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/typename.md)

## Methods

- [CastFrom](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/castfrom.md)
- [CastTo<T>](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/castto.md)
- [Duplicate](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/duplicate.md)
- [DuplicateDateTime](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/duplicatedatetime.md)
- [EmitProxy](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/emitproxy.md)
- [Read](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/read.md)
- [ToString](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/tostring.md)
- [Write](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-time/write.md)

## Inherited Members

- From [GH_Goo<T>](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-goo-1.md): [m_value](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-goo-1/m-value.md), [Value](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-goo-1/value.md), [ScriptVariable](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.gh-goo-1/scriptvariable.md)