diff --git a/chatto/src/main/java/org/ros/chatto/dto/ActiveUserDTO.java b/chatto/src/main/java/org/ros/chatto/dto/ActiveUserDTO.java
index 781837d..d15ad8e 100644
--- a/chatto/src/main/java/org/ros/chatto/dto/ActiveUserDTO.java
+++ b/chatto/src/main/java/org/ros/chatto/dto/ActiveUserDTO.java
@@ -1,10 +1,12 @@
 package org.ros.chatto.dto;
 
+import java.time.Instant;
+
 import lombok.Data;
 
 @Data
 public class ActiveUserDTO {
 	private String userName;
 	private Boolean online;
-	private String lastActive;
+	private Instant lastActive;
 }
diff --git a/chatto/src/main/java/org/ros/chatto/service/MyConversionService.java b/chatto/src/main/java/org/ros/chatto/service/MyConversionService.java
index 4a5f889..944ef3a 100644
--- a/chatto/src/main/java/org/ros/chatto/service/MyConversionService.java
+++ b/chatto/src/main/java/org/ros/chatto/service/MyConversionService.java
@@ -13,7 +13,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Service;
 
-
 //private PostDto convertToDto(Post post) {
 //    PostDto postDto = modelMapper.map(post, PostDto.class);
 //    postDto.setSubmissionDate(post.getSubmissionDate(), 
@@ -38,52 +37,72 @@ import org.springframework.stereotype.Service;
 public class MyConversionService {
 	@Autowired
 	ModelMapper modelMapper;
-	
-	public ChatMessageDTO convertToChatMessageDTO(final ChatMessage chatMessage) {
-		final ChatMessageDTO chatMessageDTO = modelMapper.map(chatMessage, ChatMessageDTO.class);
+
+	public ChatMessageDTO convertToChatMessageDTO(
+			final ChatMessage chatMessage) {
+		final ChatMessageDTO chatMessageDTO = modelMapper.map(chatMessage,
+				ChatMessageDTO.class);
 		return chatMessageDTO;
 	}
 
-	public ChatMessage convertToChatMessage(final ChatMessageDTO chatMessageDTO) {
-		final ChatMessage chatMessage = modelMapper.map(chatMessageDTO, ChatMessage.class);
+	public ChatMessage convertToChatMessage(
+			final ChatMessageDTO chatMessageDTO) {
+		final ChatMessage chatMessage = modelMapper.map(chatMessageDTO,
+				ChatMessage.class);
 		return chatMessage;
 	}
 
-	public MessageCipher convertToMessageCipher(final MessageCipherDTO messageCipherDTO) {
-		final MessageCipher messageCipher = modelMapper.map(messageCipherDTO, MessageCipher.class);
+	public MessageCipher convertToMessageCipher(
+			final MessageCipherDTO messageCipherDTO) {
+		final MessageCipher messageCipher = modelMapper.map(messageCipherDTO,
+				MessageCipher.class);
 		return messageCipher;
 	}
 
-	public List<ChatMessageDTO> convertToChatMessageDTOs(final List<ChatMessage> chatMessages) {
-		return chatMessages.stream().map(chatMessage -> convertToChatMessageDTO(chatMessage))
+	public List<ChatMessageDTO> convertToChatMessageDTOs(
+			final List<ChatMessage> chatMessages) {
+		return chatMessages.stream()
+				.map(chatMessage -> convertToChatMessageDTO(chatMessage))
 				.collect(Collectors.toList());
 	}
 
-	public ReencryptionDTO convertToReencryptionDTO(final ChatMessage chatMessage) {
-		final ReencryptionDTO reencryptionDTO = modelMapper.map(chatMessage, ReencryptionDTO.class);
+	public ReencryptionDTO convertToReencryptionDTO(
+			final ChatMessage chatMessage) {
+		final ReencryptionDTO reencryptionDTO = modelMapper.map(chatMessage,
+				ReencryptionDTO.class);
 		return reencryptionDTO;
 	}
 
-	public ChatMessage convertToChatMessage(final ReencryptionDTO reencryptionDTO) {
-		final ChatMessage chatMessage = modelMapper.map(reencryptionDTO, ChatMessage.class);
+	public ChatMessage convertToChatMessage(
+			final ReencryptionDTO reencryptionDTO) {
+		final ChatMessage chatMessage = modelMapper.map(reencryptionDTO,
+				ChatMessage.class);
 		return chatMessage;
 	}
 
-	public List<ReencryptionDTO> convertToReencryptionDTOs(final List<ChatMessage> chatMessages) {
-		return chatMessages.stream().map(chatMessage -> convertToReencryptionDTO(chatMessage))
+	public List<ReencryptionDTO> convertToReencryptionDTOs(
+			final List<ChatMessage> chatMessages) {
+		return chatMessages.stream()
+				.map(chatMessage -> convertToReencryptionDTO(chatMessage))
 				.collect(Collectors.toList());
 	}
 
-	public Iterable<ChatMessage> convertoToChatMessages(final List<ChatMessageDTO> chatMessageDTOs) {
+	public Iterable<ChatMessage> convertoToChatMessages(
+			final List<ChatMessageDTO> chatMessageDTOs) {
 
-		return chatMessageDTOs.stream().map(chatMessageDTO -> convertToChatMessage(chatMessageDTO))
+		return chatMessageDTOs.stream()
+				.map(chatMessageDTO -> convertToChatMessage(chatMessageDTO))
 				.collect(Collectors.toList());
 	}
 
-	public List<ChatMessageDTO> convertToChatMessageDTOs(final Page<ChatMessage> chatMessages)
-	{
+	public List<ChatMessageDTO> convertToChatMessageDTOs(
+			final Page<ChatMessage> chatMessages) {
 		return chatMessages.stream()
 				.map(chatMessage -> convertToChatMessageDTO(chatMessage))
 				.collect(Collectors.toList());
 	}
+
+	public <T, O> O convert(T obj, Class<O> clazz) {
+		return modelMapper.map(obj, clazz);
+	}
 }
diff --git a/chatto/src/main/java/org/ros/chatto/service/UserServiceImpl.java b/chatto/src/main/java/org/ros/chatto/service/UserServiceImpl.java
index bba4ffa..71c6abe 100644
--- a/chatto/src/main/java/org/ros/chatto/service/UserServiceImpl.java
+++ b/chatto/src/main/java/org/ros/chatto/service/UserServiceImpl.java
@@ -87,7 +87,7 @@ public class UserServiceImpl implements UserService {
 			activeUserDTO.setLastActive(null);
 			if (us != null) {
 				activeUserDTO.setOnline(us.isOnline());
-				activeUserDTO.setLastActive(toLastActiveString(us.getTimeStamp()));
+				activeUserDTO.setLastActive(us.getTimeStamp());
 			}
 
 			activeUserDTOs.add(activeUserDTO);
diff --git a/chatto/src/main/javascript/ts/src/controller/UserController.ts b/chatto/src/main/javascript/ts/src/controller/UserController.ts
index e6f7631..38d4535 100644
--- a/chatto/src/main/javascript/ts/src/controller/UserController.ts
+++ b/chatto/src/main/javascript/ts/src/controller/UserController.ts
@@ -31,11 +31,11 @@ export class UserController {
         const activeUsersMock: ActiveUserViewModel[] = [];
         let activeUserViewModelMock = new ActiveUserViewModel();
         activeUserViewModelMock.userName = "some user";
-        activeUserViewModelMock.lastActive = "3 hrs ago";
+        // activeUserViewModelMock.lastActive = "3 hrs ago";
         activeUserViewModelMock.online = true;
         activeUsersMock.push(activeUserViewModelMock);
         activeUserViewModelMock = new ActiveUserViewModel();
-        activeUserViewModelMock.lastActive = "3 hrs ago";
+        // activeUserViewModelMock.lastActive = "3 hrs ago";
         activeUserViewModelMock.online = true;
         activeUserViewModelMock.userName = "some user 2";
         activeUsersMock.push(activeUserViewModelMock);
diff --git a/chatto/src/main/javascript/ts/src/model/UserModel.ts b/chatto/src/main/javascript/ts/src/model/UserModel.ts
index 93373da..5bb1074 100644
--- a/chatto/src/main/javascript/ts/src/model/UserModel.ts
+++ b/chatto/src/main/javascript/ts/src/model/UserModel.ts
@@ -75,6 +75,10 @@ export class UserModel implements Subject<ActiveUserViewModel> {
                     // sessionStorage.setItem('activeUsers', JSON.stringify(data));
                     // log.trace(sessionStorage.getItem('activeUsers'));
                     log.info(`Subject: received ajax active users`);
+                    data.map((d: any) => {
+                        d.lastActive = new Date(d.lastActive)
+                        return d;
+                    });
                     this._activeUsersList = data;
                     this.notify();
                 })
@@ -98,8 +102,9 @@ export class UserModel implements Subject<ActiveUserViewModel> {
         let data = await response.json();
         // return data;
         return new Promise((resolve, reject) => {
-            if (data != null)
+            if (data != null) {
                 resolve(data)
+            }
             else
                 reject('Response data null')
         })
diff --git a/chatto/src/main/javascript/ts/src/viewmodel/ActiveUserViewModel.ts b/chatto/src/main/javascript/ts/src/viewmodel/ActiveUserViewModel.ts
index bc9784a..3ffdde5 100644
--- a/chatto/src/main/javascript/ts/src/viewmodel/ActiveUserViewModel.ts
+++ b/chatto/src/main/javascript/ts/src/viewmodel/ActiveUserViewModel.ts
@@ -1,5 +1,5 @@
 export class ActiveUserViewModel {
     userName: string | undefined;
     online: boolean | undefined;
-    lastActive: string| undefined;
+    lastActive: Date | undefined;
 }
\ No newline at end of file