# Class DateTimeExtensions OptimaJet.Workflow.Plugins.DateTimeExtensions Namespace: [OptimaJet.Workflow.Plugins](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/) ```csharp public static class DateTimeExtensions ``` ## Methods `public static string ToLongStringDateTime(this DateTime dateTime)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `dateTime` | `DateTime` | | ### Returns | Type | Description | | --- | --- | | `String` | | `public static DateTime ToLongDateTime(this string dateTime)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `dateTime` | `String` | | ### Returns | Type | Description | | --- | --- | | `DateTime` | | [Previous CheckPredefinedActorAsyncDelegate](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/CheckPredefinedActorAsyncDelegate/) [Next GetApproverIdentityId](https://api.workflowengine.io/core/OptimaJet.Workflow.Plugins/GetApproverIdentityId/)