diff --git a/src/engine/db/handlers/dbMineHandler.java b/src/engine/db/handlers/dbMineHandler.java
index acc8384b..43753937 100644
--- a/src/engine/db/handlers/dbMineHandler.java
+++ b/src/engine/db/handlers/dbMineHandler.java
@@ -6,19 +6,6 @@
 //      Magicbane Emulator Project © 2013 - 2022
 //                www.magicbane.com
 
-
-
-
-
-// • ▌ ▄ ·.  ▄▄▄·  ▄▄ • ▪   ▄▄· ▄▄▄▄·  ▄▄▄·  ▐▄▄▄  ▄▄▄ .
-// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
-// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
-// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
-// ▀▀  █▪▀▀▀ ▀  ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀  ▀  ▀ ▀▀  █▪ ▀▀▀
-//      Magicbane Emulator Project © 2013 - 2022
-//                www.magicbane.com
-
-
 package engine.db.handlers;
 
 import engine.Enum;
diff --git a/src/engine/net/client/ClientMessagePump.java b/src/engine/net/client/ClientMessagePump.java
index 07ede49c..d3e08a08 100644
--- a/src/engine/net/client/ClientMessagePump.java
+++ b/src/engine/net/client/ClientMessagePump.java
@@ -265,9 +265,6 @@ public class ClientMessagePump implements NetMsgHandler {
 			case ARCMINEWINDOWAVAILABLETIME:
 				MineWindowAvailableTime((ArcMineWindowAvailableTimeMsg) msg, origin);
 				break;
-			case ARCMINEWINDOWCHANGE:
-				MineWindowChange((ArcMineWindowChangeMsg) msg, origin);
-				break;
 			case ARCOWNEDMINESLIST:
 				ListOwnedMines((ArcOwnedMinesListMsg) msg, origin);
 				break;
diff --git a/src/engine/net/client/Protocol.java b/src/engine/net/client/Protocol.java
index d95becd3..38965bb8 100644
--- a/src/engine/net/client/Protocol.java
+++ b/src/engine/net/client/Protocol.java
@@ -36,7 +36,7 @@ public enum Protocol {
     ARCMINECHANGEPRODUCTION(0x1EAA993F,  ArcMineChangeProductionMsg.class, null),
     ARCMINETOWERCRESTUPDATE(0x34164D0D, null, null),
     ARCMINEWINDOWAVAILABLETIME(0x6C909DE7, ArcMineWindowAvailableTimeMsg.class, null),
-    ARCMINEWINDOWCHANGE(0x92B2148A, ArcMineWindowChangeMsg.class, null),
+    ARCMINEWINDOWCHANGE(0x92B2148A, ArcMineWindowChangeMsg.class, MineWindowChangeHandler.class),
     ARCOWNEDMINESLIST(0x59184455, ArcOwnedMinesListMsg.class, null),
     ARCPETATTACK(0x18CD61AD, PetAttackMsg.class, null), // Pet Attack
     ARCPETCMD(0x4E80E001, PetCmdMsg.class, null), // Stop ArcPetAttack, Toggle Assist, Toggle Rest
diff --git a/src/engine/net/client/handlers/MineWindowChangeHandler.java b/src/engine/net/client/handlers/MineWindowChangeHandler.java
new file mode 100644
index 00000000..1ef1bb50
--- /dev/null
+++ b/src/engine/net/client/handlers/MineWindowChangeHandler.java
@@ -0,0 +1,88 @@
+// • ▌ ▄ ·.  ▄▄▄·  ▄▄ • ▪   ▄▄· ▄▄▄▄·  ▄▄▄·  ▐▄▄▄  ▄▄▄ .
+// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
+// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
+// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
+// ▀▀  █▪▀▀▀ ▀  ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀  ▀  ▀ ▀▀  █▪ ▀▀▀
+//      Magicbane Emulator Project © 2013 - 2022
+//                www.magicbane.com
+
+package engine.net.client.handlers;
+
+import engine.Enum;
+import engine.Enum.DispatchChannel;
+import engine.exception.MsgSendException;
+import engine.gameManager.BuildingManager;
+import engine.gameManager.ChatManager;
+import engine.gameManager.DbManager;
+import engine.gameManager.SessionManager;
+import engine.net.Dispatch;
+import engine.net.DispatchMessage;
+import engine.net.client.ClientConnection;
+import engine.net.client.msg.ArcMineWindowChangeMsg;
+import engine.net.client.msg.ClientNetMsg;
+import engine.net.client.msg.KeepAliveServerClientMsg;
+import engine.objects.Building;
+import engine.objects.Guild;
+import engine.objects.GuildStatusController;
+import engine.objects.PlayerCharacter;
+import engine.server.MBServerStatics;
+import org.pmw.tinylog.Logger;
+
+/*
+ * @Author:
+ * @Summary: Processes requests to change a mine's opendate
+ */
+
+public class MineWindowChangeHandler extends AbstractClientMsgHandler {
+
+	public MineWindowChangeHandler() {
+		super(ArcMineWindowChangeMsg.class);
+	}
+
+	@Override
+	protected boolean _handleNetMsg(ClientNetMsg baseMsg, ClientConnection origin) throws MsgSendException {
+
+		PlayerCharacter playerCharacter = SessionManager.getPlayerCharacter(origin);
+		ArcMineWindowChangeMsg mineWindowChangeMsg = (ArcMineWindowChangeMsg)baseMsg;
+
+		if (playerCharacter == null)
+			return true;
+
+		Building treeOfLife =  BuildingManager.getBuildingFromCache(mineWindowChangeMsg.getBuildingID());
+
+		if (treeOfLife == null)
+			return true;
+
+		if (treeOfLife.getBlueprintUUID() == 0)
+			return true;
+
+		if (treeOfLife.getBlueprint().getBuildingGroup() != Enum.BuildingGroup.TOL)
+			return true;
+
+		Guild mineGuild = treeOfLife.getGuild();
+		if (mineGuild == null)
+			return true;
+
+		if (!Guild.sameGuild(mineGuild, playerCharacter.getGuild()))
+			return true;  //must be same guild
+
+		if (GuildStatusController.isInnerCouncil(playerCharacter.getGuildStatus()) == false) // is this only GL?
+			return true;
+
+		//hodge podge sanity check to make sure they don't set it before early window and is not set at late window.
+		if (mineWindowChangeMsg.getTime() < MBServerStatics.MINE_EARLY_WINDOW &&
+				mineWindowChangeMsg.getTime() != MBServerStatics.MINE_LATE_WINDOW)
+			return true;    //invalid mine time, must be in range
+
+		if (!DbManager.GuildQueries.UPDATE_MINETIME(mineGuild.getObjectUUID(), mineWindowChangeMsg.getTime())) {
+			Logger.error("MineWindowChange", "Failed to update mine time for guild " + mineGuild.getObjectUUID());
+			ChatManager.chatGuildError(playerCharacter, "Failed to update the mine time");
+			return true;
+		}
+		mineGuild.setMineTime(mineWindowChangeMsg.getTime());
+		ChatManager.chatGuildInfo(playerCharacter, "Mine time updated.");
+            
+            return true;
+	}
+
+}
\ No newline at end of file