diff --git a/apps/aqhome-tool/main.c b/apps/aqhome-tool/main.c
index eb7107a..fa99b53 100644
--- a/apps/aqhome-tool/main.c
+++ b/apps/aqhome-tool/main.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * This file is part of the project AqHome.
- * AqHome (c) by 2025 Martin Preuss, all rights reserved.
+ * AqHome (c) by 2026 Martin Preuss, all rights reserved.
  *
  * The license for this file can be found in the file COPYING which you
  * should have received along with this file.
@@ -12,6 +12,7 @@
 
 #include "./nodes/ping.h"
 #include "./nodes/flash.h"
+#include "./nodes/settime.h"
 #include "./nodes/getnodes.h"
 #include "./data/getvalues.h"
 #include "./data/getdevices.h"
@@ -91,6 +92,7 @@ int main(int argc, char **argv)
   };
   const GWEN_FUNCS cmdDefArray[]= {
     GWEN_FE_DAH("ping", AQH_Tool_Ping, I18N("Ping a given node on the network")),
+    GWEN_FE_DAH("time", AQH_Tool_SetTime, I18N("Set node network time (handled by RTC module)")),
     GWEN_FE_DAH("flash", AQH_Tool_Flash, I18N("Flash a given node on the network")),
     GWEN_FE_DAH("getnodes", AQH_Tool_GetNodes, I18N("Request list of known devices on the network")),
     GWEN_FE_DAH("getvalues", AQH_Tool_GetValues, I18N("Request list of known values on the data server")),
diff --git a/apps/aqhome-tool/nodes/0BUILD b/apps/aqhome-tool/nodes/0BUILD
index 7563f9a..d619057 100644
--- a/apps/aqhome-tool/nodes/0BUILD
+++ b/apps/aqhome-tool/nodes/0BUILD
@@ -36,6 +36,7 @@
       ping.h
       flash.h
       getnodes.h
+      settime.h
     </headers>
   
     <sources>
@@ -44,6 +45,7 @@
       ping.c
       flash.c
       getnodes.c
+      settime.c
     </sources>
 
     <useTargets>
diff --git a/apps/aqhome-tool/nodes/settime.c b/apps/aqhome-tool/nodes/settime.c
new file mode 100644
index 0000000..c55d1d9
--- /dev/null
+++ b/apps/aqhome-tool/nodes/settime.c
@@ -0,0 +1,139 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2026 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "./settime.h"
+#include "../client.h"
+#include "../utils.h"
+
+#include "aqhome/msg/ipc/m_ipc.h"
+#include "aqhome/msg/ipc/m_ipc_result.h"
+#include "aqhome/msg/ipc/nodes/m_ipcn.h"
+#include "aqhome/msg/ipc/nodes/m_ipcn_forward.h"
+#include "aqhome/msg/node/m_node.h"
+#include "aqhome/msg/node/m_time.h"
+
+#include <gwenhywfar/args.h>
+#include <gwenhywfar/i18n.h>
+#include <gwenhywfar/debug.h>
+#include <gwenhywfar/text.h>
+
+
+/* ------------------------------------------------------------------------------------------------
+ * defs
+ * ------------------------------------------------------------------------------------------------
+ */
+
+#define I18S(msg) msg
+#define I18N(msg) GWEN_I18N_Translate(PACKAGE, msg)
+
+#define A_ARG GWEN_ARGS_FLAGS_HAS_ARGUMENT
+#define A_END (GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST)
+#define A_CHAR GWEN_ArgsType_Char
+#define A_INT GWEN_ArgsType_Int
+
+
+/* ------------------------------------------------------------------------------------------------
+ * forward declarations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+static AQH_MESSAGE *_createRequestMessage(AQH_OBJECT *o, uint32_t msgId);
+static int _handleResponseMessage(AQH_OBJECT *o, const AQH_MESSAGE *msg, const GWEN_TAG16_LIST *tagList, int first);
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * implementations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+int AQH_Tool_SetTime(GWEN_DB_NODE *dbGlobalArgs, int argc, char **argv)
+{
+  AQH_EVENT_LOOP *eventLoop;
+  AQH_OBJECT *o;
+  int rv;
+  const GWEN_ARGS args[]= {
+    /* flags type    name              min max s    long           short_descr, long_descr */
+    { A_ARG, A_CHAR, "tcpAddress",     0,  1,  "t", "tcpaddress",  I18S("TCP address to connect to [127.0.0.1]"), NULL},
+    { A_ARG, A_INT,  "tcpPort",        0,  1,  "P", "tcpport",     I18S("Specify the TCP port to listen on"), NULL},
+    { A_ARG, A_INT,  "timeout",        0,  1,  "T", NULL,          I18S("Specify timeout in seconds for response"), NULL},
+    { A_ARG, A_CHAR, "userId",         0,  1,  "u", "userid",      I18S("Specify user id"), NULL},
+    { A_ARG, A_CHAR, "password",       0,  1,  "p", "password",    I18S("Specify service password"), NULL},
+    { A_ARG, A_INT,  "nodeAddr",       1,  1,  "n", "nodeaddr",    I18S("Specify bus addr of the node to ping"), NULL},
+    { A_END, A_INT,  "help",           0,  0,  "h", "help",        I18S("Show this help screen"), NULL}
+  };
+
+  eventLoop=AQH_EventLoop_new();
+  o=AQH_ToolClient_new(eventLoop, AQH_IPC_PROTOCOL_NODES_ID, AQH_IPC_PROTOCOL_NODES_VERSION, dbGlobalArgs, args);
+  AQH_ToolClient_SetCreateRequestMessageFn(o, _createRequestMessage);
+  AQH_ToolClient_SetHandleResponseMessageFn(o, _handleResponseMessage);
+  rv=AQH_ToolClient_ReadLocalArgs(o, argc, argv);
+  if (rv!=0)
+    return rv;
+
+  rv=AQH_ToolClient_Connect(o, AQH_TOOL_CLIENT_CONNECTFLAGS_WITHCONNECTMSG | AQH_TOOL_CLIENT_CONNECTFLAGS_WITHGRPMSG,
+                            0, AQH_MSG_TYPEGROUP_ALL);
+  if (rv<0) {
+    DBG_INFO(NULL, "here(%d)", rv);
+    AQH_Object_free(o);
+    AQH_EventLoop_free(eventLoop);
+    return rv;
+  }
+
+  rv=AQH_ToolClient_RunConnectedWithNodeMsgs(o);
+  AQH_Object_free(o);
+  AQH_EventLoop_free(eventLoop);
+  return rv;
+}
+
+
+
+AQH_MESSAGE *_createRequestMessage(GWEN_UNUSED AQH_OBJECT *o, GWEN_UNUSED uint32_t msgId)
+{
+  AQH_MESSAGE *nodeMsg;
+  GWEN_DB_NODE *dbArgs;
+  int nodeAddr;
+  GWEN_TIMESTAMP *ts;
+
+  dbArgs=AQH_ToolClient_GetDbLocalArgs(o);
+  nodeAddr=GWEN_DB_GetIntValue(dbArgs, "nodeAddr", 0, 0);
+  ts=GWEN_Timestamp_NowInLocalTime();
+
+  nodeMsg=AQH_TimeMessage_new(nodeAddr, AQH_TOOL_CLIENT_NODEADDR, AQH_MSG_TYPE_TIME_REQSET, 0, ts);
+  return nodeMsg;
+}
+
+
+
+int _handleResponseMessage(AQH_OBJECT *o, const AQH_MESSAGE *msg, GWEN_UNUSED const GWEN_TAG16_LIST *tagList, GWEN_UNUSED int first)
+{
+  GWEN_DB_NODE *dbArgs;
+  uint16_t code;
+  int nodeAddr;
+
+  dbArgs=AQH_ToolClient_GetDbLocalArgs(o);
+  nodeAddr=GWEN_DB_GetIntValue(dbArgs, "nodeAddr", 0, 0);
+
+  code=AQH_NodeMessage_GetMsgType(msg);
+  if ((code==AQH_MSG_TYPE_TIME_RSPSET) &&
+      (nodeAddr==0 || nodeAddr==0xff || nodeAddr==AQH_NodeMessage_GetSourceAddress(msg))) {
+    return 1;
+  }
+  else {
+    DBG_INFO(NULL, "Unexpected message \"%d\"", code);
+    return 0;
+  }
+
+}
+
+
+
diff --git a/apps/aqhome-tool/nodes/settime.h b/apps/aqhome-tool/nodes/settime.h
new file mode 100644
index 0000000..4988185
--- /dev/null
+++ b/apps/aqhome-tool/nodes/settime.h
@@ -0,0 +1,20 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2026 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQHOME_TOOL_SETTIME_H
+#define AQHOME_TOOL_SETTIME_H
+
+
+#include <gwenhywfar/db.h>
+
+
+int AQH_Tool_SetTime(GWEN_DB_NODE *dbArgs, int argc, char **argv);
+
+
+#endif
+