diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57eb6b9..2142692 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,8 @@ list yields a list of all related PRs for each release.
 
 ## Added
 
-- Added version set for STR
+- Added version set for STR.
+- Command for relative timeshift.
 
 ## Fixed
 
diff --git a/eive_tmtc/config/custom_mode_op.py b/eive_tmtc/config/custom_mode_op.py
index 7981371..6143aaa 100644
--- a/eive_tmtc/config/custom_mode_op.py
+++ b/eive_tmtc/config/custom_mode_op.py
@@ -3,6 +3,7 @@
 @details    Template configuration file. Copy this folder to the TMTC commander root and adapt
             it to your needs.
 """
+
 import enum
 
 from tmtccmd import CcsdsTmtcBackend
diff --git a/eive_tmtc/config/events.csv b/eive_tmtc/config/events.csv
index 200cbdb..34aa934 100644
--- a/eive_tmtc/config/events.csv
+++ b/eive_tmtc/config/events.csv
@@ -75,9 +75,10 @@ Event ID (dec); Event ID (hex); Name; Severity; Description; File Path
 7902;0x1ede;BIT_LOCK;INFO;A Bit Lock signal. Was detected. P1: raw BLO state, P2: 0;fsfw/src/fsfw/datalinklayer/DataLinkLayer.h
 7903;0x1edf;BIT_LOCK_LOST;INFO;A previously found Bit Lock signal was lost. P1: raw BLO state, P2: 0;fsfw/src/fsfw/datalinklayer/DataLinkLayer.h
 7905;0x1ee1;FRAME_PROCESSING_FAILED;LOW;The CCSDS Board could not interpret a TC;fsfw/src/fsfw/datalinklayer/DataLinkLayer.h
-8900;0x22c4;CLOCK_SET;INFO;No description;fsfw/src/fsfw/pus/Service9TimeManagement.h
-8901;0x22c5;CLOCK_DUMP;INFO;No description;fsfw/src/fsfw/pus/Service9TimeManagement.h
-8902;0x22c6;CLOCK_SET_FAILURE;LOW;No description;fsfw/src/fsfw/pus/Service9TimeManagement.h
+8900;0x22c4;CLOCK_SET;INFO;Clock has been set. P1: old timeval seconds. P2: new timeval seconds.;fsfw/src/fsfw/pus/Service9TimeManagement.h
+8901;0x22c5;CLOCK_DUMP_LEGACY;INFO;Clock dump event. P1: timeval seconds P2: timeval milliseconds.;fsfw/src/fsfw/pus/Service9TimeManagement.h
+8902;0x22c6;CLOCK_SET_FAILURE;LOW;Clock could not be set. P1: Returncode.;fsfw/src/fsfw/pus/Service9TimeManagement.h
+8903;0x22c7;CLOCK_DUMP;INFO;Clock dump event. P1: timeval seconds P2: timeval microseconds.;fsfw/src/fsfw/pus/Service9TimeManagement.h
 9100;0x238c;TC_DELETION_FAILED;MEDIUM;Deletion of a TC from the map failed. P1: First 32 bit of request ID, P2. Last 32 bit of Request ID;fsfw/src/fsfw/pus/Service11TelecommandScheduling.h
 9700;0x25e4;TEST;INFO;No description;fsfw/src/fsfw/pus/Service17Test.h
 10600;0x2968;CHANGE_OF_SETUP_PARAMETER;LOW;No description;fsfw/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.h
diff --git a/eive_tmtc/config/object_ids.py b/eive_tmtc/config/object_ids.py
index cb81d07..3d1c1c5 100644
--- a/eive_tmtc/config/object_ids.py
+++ b/eive_tmtc/config/object_ids.py
@@ -3,6 +3,7 @@
 @details    Template configuration file. Copy this folder to the TMTC commander root and adapt
             it to your needs.
 """
+
 import logging
 import os.path
 from typing import Dict
diff --git a/eive_tmtc/pus_tc/cmd_demux.py b/eive_tmtc/pus_tc/cmd_demux.py
index 0f0f5ec..33e5548 100644
--- a/eive_tmtc/pus_tc/cmd_demux.py
+++ b/eive_tmtc/pus_tc/cmd_demux.py
@@ -1,5 +1,6 @@
 """Hook function which packs telecommands based on service and operation code string
 """
+
 import logging
 from typing import List, cast
 
diff --git a/eive_tmtc/pus_tm/event_handler.py b/eive_tmtc/pus_tm/event_handler.py
index 496c28b..e5cfc35 100644
--- a/eive_tmtc/pus_tm/event_handler.py
+++ b/eive_tmtc/pus_tm/event_handler.py
@@ -122,12 +122,18 @@ def handle_event_packet(  # noqa C901: Complexity okay here
         new_time_dt = datetime.datetime.fromtimestamp(new_time, datetime.timezone.utc)
         pw.dlog(f"Old time (UTC): {old_time_dt}")
         pw.dlog(f"New time (UTC): {new_time_dt}")
-    if info.name == "CLOCK_DUMP":
+    if info.name == "CLOCK_DUMP_LEGACY":
         specific_handler = True
         # param 1 is timeval seconds, param 2 is timeval subsecond milliseconds
         time = event_def.param1 + event_def.param2 / 1000.0
         time_dt = datetime.datetime.fromtimestamp(time, datetime.timezone.utc)
         pw.dlog(f"Current time: {time_dt}")
+    if info.name == "CLOCK_DUMP":
+        specific_handler = True
+        # param 1 is timeval seconds, param 2 is timeval subsecond microseconds
+        time = event_def.param1 + event_def.param2 / 1000000.0
+        time_dt = datetime.datetime.fromtimestamp(time, datetime.timezone.utc)
+        pw.dlog(f"Current time: {time_dt}")
     if info.name == "ACTIVE_SD_INFO":
         sd_0_state = (event_def.param2 >> 16) & 0xFFFF
         sd_1_state = event_def.param2 & 0xFFFF
diff --git a/eive_tmtc/pus_tm/hk_handler.py b/eive_tmtc/pus_tm/hk_handler.py
index 56c53af..bee9f23 100644
--- a/eive_tmtc/pus_tm/hk_handler.py
+++ b/eive_tmtc/pus_tm/hk_handler.py
@@ -1,4 +1,5 @@
 """HK Handling for EIVE OBSW"""
+
 import dataclasses
 import logging
 import base64  # noqa
diff --git a/eive_tmtc/pus_tm/pus_handler.py b/eive_tmtc/pus_tm/pus_handler.py
index f3e62d1..7767b7f 100644
--- a/eive_tmtc/pus_tm/pus_handler.py
+++ b/eive_tmtc/pus_tm/pus_handler.py
@@ -1,5 +1,6 @@
 """Core EIVE TM handler module
 """
+
 import logging
 import sqlite3
 import uuid
diff --git a/eive_tmtc/tmtc/time.py b/eive_tmtc/tmtc/time.py
index 1e7fdc7..97413c5 100644
--- a/eive_tmtc/tmtc/time.py
+++ b/eive_tmtc/tmtc/time.py
@@ -1,6 +1,7 @@
 import enum
+import struct
 import logging
-from datetime import datetime
+import datetime
 
 from spacepackets.ecss import PusTelecommand, PusService
 
@@ -8,28 +9,34 @@ from tmtccmd.tmtc import DefaultPusQueueHelper
 from tmtccmd.config import CmdTreeNode
 
 
+_LOGGER = logging.getLogger(__name__)
+
+
 class Subservice(enum.IntEnum):
     SET_TIME = 128
     DUMP_TIME = 129
+    RELATIVE_TIMESHIFT = 130
 
 
 class CmdStr:
     SET_CURRENT_TIME = "set_curr_time"
+    RELATIVE_TIMESHIFT = "relative_timeshift"
     DUMP_TIME = "dump_time"
 
 
 class Info:
     SET_CURRENT_TIME = "Setting current time in ASCII format"
+    RELATIVE_TIMESHIFT = "Shift time with a relative offset"
     DUMP_TIME = "Dump system time as event"
 
 
 def pack_time_management_cmd(q: DefaultPusQueueHelper, cmd_str: str):
     if cmd_str == CmdStr.SET_CURRENT_TIME:
-        current_time = datetime.utcnow().isoformat() + "Z" + "\0"
-        current_time_ascii = current_time.encode("ascii")
-        logging.getLogger(__name__).info(
-            f"Current time in ASCII format: {current_time_ascii}"
+        current_time = (
+            datetime.datetime.now(datetime.timezone.utc).isoformat() + "Z" + "\0"
         )
+        current_time_ascii = current_time.encode("ascii")
+        _LOGGER.info(f"Current time in ASCII format: {current_time_ascii}")
         q.add_log_cmd(Info.SET_CURRENT_TIME)
         q.add_pus_tc(
             PusTelecommand(
@@ -38,6 +45,17 @@ def pack_time_management_cmd(q: DefaultPusQueueHelper, cmd_str: str):
                 app_data=current_time_ascii,
             )
         )
+    elif cmd_str == CmdStr.RELATIVE_TIMESHIFT:
+        nanos = int(input("Specify relative timeshift in nanoseconds: "))
+        nanos_packed = struct.pack("!q", nanos)
+        q.add_log_cmd(Info.RELATIVE_TIMESHIFT)
+        q.add_pus_tc(
+            PusTelecommand(
+                service=PusService.S9_TIME_MGMT,
+                subservice=Subservice.RELATIVE_TIMESHIFT,
+                app_data=nanos_packed,
+            )
+        )
     elif cmd_str == CmdStr.DUMP_TIME:
         q.add_log_cmd(Info.DUMP_TIME)
         q.add_pus_tc(
@@ -51,4 +69,5 @@ def create_time_node() -> CmdTreeNode:
     time_node = CmdTreeNode("time", "Time Management")
     time_node.add_child(CmdTreeNode(CmdStr.SET_CURRENT_TIME, "Set current time"))
     time_node.add_child(CmdTreeNode(CmdStr.DUMP_TIME, "Dumpy current time"))
+    time_node.add_child(CmdTreeNode(CmdStr.RELATIVE_TIMESHIFT, Info.RELATIVE_TIMESHIFT))
     return time_node