diff --git a/addons/markers/functions/fnc_onButtonClickConfirm.sqf b/addons/markers/functions/fnc_onButtonClickConfirm.sqf
index f70c43f2e1..280fc11a34 100644
--- a/addons/markers/functions/fnc_onButtonClickConfirm.sqf
+++ b/addons/markers/functions/fnc_onButtonClickConfirm.sqf
@@ -1,58 +1,81 @@
 #include "script_component.hpp"
 /*
- * Author: Freddo
- * When the confirm button is pressed.
- *
- * Arguments:
- * 0: Confirm button <CONTROL>
- *
- * Return Value:
- * None
- *
- * Example:
- * [_buttonOk] call ACE_markers_fnc_onButtonClickConfirm
- *
- * Public: No
+	 * Author: Freddo
+	 * When the confirm button is pressed.
+	 *
+	 * Arguments:
+	 * 0: Confirm button <CONTROL>
+	 *
+	 * Return Value:
+	 * None
+	 *
+	 * Example:
+	 * [_buttonOk] call ACE_markers_fnc_onButtonClickConfirm
+	 *
+	 * Public: No
  */
 params ["_buttonOk"];
 
 private _display = ctrlParent _buttonOk;
-private _description = _display displayctrl IDC_INSERT_MARKER;
+private _description = _display displayCtrl IDC_INSERT_MARKER;
 private _aceTimestamp = _display displayCtrl IDC_ACE_INSERT_MARKER_TIMESTAMP;
 
 // handle timestamp
-if (cbChecked _aceTimestamp && {ACE_player call FUNC(canTimestamp)}) then {
-    private _time = daytime;
+if (cbChecked _aceTimestamp && {
+	ACE_player call FUNC(canTimestamp)
+}) then {
+	private _time = [];
 
-    // add timestamp suffix
-    private _periodPostfix = "";
-    if (GVAR(timestampHourFormat) == 12) then {
-        if (floor _time == 0) exitWith {
-            _time = _time + 12;
-            _periodPostfix = " am";
-        };
+	switch (GVAR(timestampTimezone)) do
+	{
+		default
+		{
+			_time = dayTime;
+		};
+		case 1:
+		{
+			systemTime params ["", "", "", "_hour", "_min", "_sec"];
+			_time = _hour + _min/60 + _sec/3600;
+		};
+		case 2:
+		{
+			_offset = GVAR(timestampUTCOffset);
+			systemTimeUTC params["", "", "", "_hour", "_min", "_sec"];
+			_hour = _hour + _offset;
+			if (_hour < 0) then {
+				_hour= 24 - (_hour + _offset);
+			};
+			if (_hour > 24) then {
+				_hour = 0 + ((_hour + _offset) - 24);
+			};
+			_time = _hour + _min/60 + _sec/3600;
+		};
+	};
 
-        if (floor _time == 12) exitWith {
-            _periodPostfix = " pm";
-        };
+	    // add timestamp suffix
+	private _periodPostfix = "";
+	if (GVAR(timestampHourFormat) == 12) then {
+		if (floor _time == 0) exitWith {
+			_time = _time + 12;
+			_periodPostfix = " am";
+		};
 
-        if (_time < 12) then {
-            _periodPostfix = " am";
-        } else {
-            _time = _time - 12;
-            _periodPostfix = " pm";
-        };
-    } else {
-        if (GVAR(timestampHourFormat) == 0) then {
-            systemTime params ["", "", "", "_hour", "_min", "_sec"];
-            _time = _hour + _min/60 + _sec/3600;
-        };
-    };
+		if (floor _time == 12) exitWith {
+			_periodPostfix = " pm";
+		};
 
-    _description ctrlSetText format [
-        "%1 [%2%3]",
-        ctrlText _description,
-        [_time, GVAR(timestampFormat)] call BIS_fnc_timeToString,
-        _periodPostfix
-    ];
-};
+		if (_time < 12) then {
+			_periodPostfix = " am";
+		} else {
+			_time = _time - 12;
+			_periodPostfix = " pm";
+		};
+	};
+
+	_description ctrlSetText format [
+		"%1 [%2%3]",
+		ctrlText _description,
+		[_time, GVAR(timestampFormat)] call BIS_fnc_timeToString,
+		_periodPostfix
+	];
+};
\ No newline at end of file
diff --git a/addons/markers/initSettings.sqf b/addons/markers/initSettings.sqf
index 0e7ec2bcb0..793d992e0b 100644
--- a/addons/markers/initSettings.sqf
+++ b/addons/markers/initSettings.sqf
@@ -1,63 +1,81 @@
 private _categoryName = format ["ACE %1", localize ELSTRING(map,Module_DisplayName)];
 
 [
-    QGVAR(moveRestriction), "LIST",
-    [LSTRING(MoveRestriction), LSTRING(MoveRestriction_Description)],
-    [_categoryName, LLSTRING(Module_DisplayName)],
-    [
-        [
-            MOVE_RESTRICTION_NOBODY,
-            MOVE_RESTRICTION_ALL,
-            MOVE_RESTRICTION_ADMINS,
-            MOVE_RESTRICTION_GROUP_LEADERS,
-            MOVE_RESTRICTION_GROUP_LEADERS_ADMINS,
-            MOVE_RESTRICTION_OWNER
-        ],
-        [
-            LSTRING(MoveRestriction_Nobody),
-            LSTRING(MoveRestriction_All),
-            LSTRING(MoveRestriction_Admins),
-            LSTRING(MoveRestriction_GroupLeaders),
-            LSTRING(MoveRestriction_GroupLeadersAndAdmins),
-            LSTRING(MoveRestriction_Owner)
-        ],
-        1
-    ]
+	QGVAR(moveRestriction), "LIST",
+	[LSTRING(MoveRestriction), LSTRING(MoveRestriction_Description)],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	[
+		[
+			MOVE_RESTRICTION_NOBODY,
+			MOVE_RESTRICTION_ALL,
+			MOVE_RESTRICTION_ADMINS,
+			MOVE_RESTRICTION_GROUP_LEADERS,
+			MOVE_RESTRICTION_GROUP_LEADERS_ADMINS,
+			MOVE_RESTRICTION_OWNER
+		],
+		[
+			LSTRING(MoveRestriction_Nobody),
+			LSTRING(MoveRestriction_All),
+			LSTRING(MoveRestriction_Admins),
+			LSTRING(MoveRestriction_GroupLeaders),
+			LSTRING(MoveRestriction_GroupLeadersAndAdmins),
+			LSTRING(MoveRestriction_Owner)
+		],
+		1
+	]
 ] call CBA_fnc_addSetting;
 
 [
-    QGVAR(timestampEnabled), "CHECKBOX",
-    [LSTRING(TimestampEnabled), LSTRING(TimestampEnabledDescription)],
-    [_categoryName, LLSTRING(Module_DisplayName)],
-    true
+	QGVAR(timestampEnabled), "CHECKBOX",
+	[LSTRING(TimestampEnabled), LSTRING(TimestampEnabledDescription)],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	true
 ] call CBA_fnc_addSetting;
 
 [
-    QGVAR(timestampHourFormat), "LIST",
-    [LSTRING(TimestampHourFormat), LSTRING(TimestampHourFormatDescription)],
-    [_categoryName, LLSTRING(Module_DisplayName)],
-    [
-        [24, 12, 0],
-        [LSTRING(TimestampHourFormat24), LSTRING(TimestampHourFormat12), "System"],
-        0
-    ]
+	QGVAR(timestampTimezone), "LIST",
+	[LSTRING(TimestampTimezone), LSTRING(TimestampTimezoneDescription)],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	[
+		[0, 1, 2],
+		[LSTRING(TimestampTimezoneIngameTime), LSTRING(TimestampTimezoneSystemTime), LSTRING(TimestampTimezoneUTCTime)],
+		0
+	]
+] call CBA_fnc_addSetting;
+
+[
+	QGVAR(timestampUTCOffset), "SLIDER",
+	[LSTRING(TimestampUTCOffset), LSTRING(TimestampUTCOffsetDescription)],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	[-12, 12, 0, 0]
+] call CBA_fnc_addSetting;
+
+[
+	QGVAR(timestampHourFormat), "LIST",
+	[LSTRING(TimestampHourFormat), LSTRING(TimestampHourFormatDescription)],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	[
+		[24, 12],
+		[LSTRING(TimestampHourFormat24), LSTRING(TimestampHourFormat12)],
+		0
+	]
 ] call CBA_fnc_addSetting;
 
 private _formatDescription = [
-    LLSTRING(TimestampFormatDescription0),
-    LLSTRING(TimestampFormatDescription1),
-    LLSTRING(TimestampFormatDescription2),
-    LLSTRING(TimestampFormatDescription3),
-    LLSTRING(TimestampFormatDescription4)
+	LLSTRING(TimestampFormatDescription0),
+	LLSTRING(TimestampFormatDescription1),
+	LLSTRING(TimestampFormatDescription2),
+	LLSTRING(TimestampFormatDescription3),
+	LLSTRING(TimestampFormatDescription4)
 ] joinString endl;
 
 [
-    QGVAR(timestampFormat), "LIST",
-    [LSTRING(timestampFormat), _formatDescription],
-    [_categoryName, LLSTRING(Module_DisplayName)],
-    [
-        ["HH", "HH:MM", "HH:MM:SS", "HH:MM:SS:MM"],
-        ["HH", "HH:MM", "HH:MM:SS", "HH:MM:SS:MM"],
-        1
-    ]
-] call CBA_fnc_addSetting;
+	QGVAR(timestampFormat), "LIST",
+	[LSTRING(timestampFormat), _formatDescription],
+	[_categoryName, LLSTRING(Module_DisplayName)],
+	[
+		["HH", "HH:MM", "HH:MM:SS", "HH:MM:SS:MM"],
+		["HH", "HH:MM", "HH:MM:SS", "HH:MM:SS:MM"],
+		1
+	]
+] call CBA_fnc_addSetting;
\ No newline at end of file
diff --git a/addons/markers/stringtable.xml b/addons/markers/stringtable.xml
index 228b64a0be..05209761f9 100644
--- a/addons/markers/stringtable.xml
+++ b/addons/markers/stringtable.xml
@@ -226,6 +226,83 @@
             <Chinesesimp>需要手表</Chinesesimp>
             <Korean>시계 필요함</Korean>
         </Key>
+        <Key ID="STR_ACE_Markers_TimestampTimezone">
+            <English>Time Zone</English>
+            <Russian>Часовой пояс</Russian>
+            <French>Fuseau horaire</French>
+            <Japanese>時間帯</Japanese>
+            <Spanish>Zona horaria</Spanish>
+            <Polish>Strefa czasowa</Polish>
+            <German>Zeitzone</German>
+            <Chinesesimp>时区</Chinesesimp>
+            <Korean>시간대</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampTimezoneDescription">
+            <English>Change the time zone for the timestamp</English>
+            <Russian>Измените часовой пояс для метки времени</Russian>
+            <French>Modifiez le fuseau horaire pour l'horodatage</French>
+            <Japanese>タイムスタンプの時間帯を変更します</Japanese>
+            <Spanish>Cambie la zona horaria para la marca de tiempo</Spanish>
+            <Polish>Zmień strefę czasową dla znaczników czasu</Polish>
+            <German>Ändern Sie die Zeitzone für den Zeitstempel</German>
+            <Chinesesimp>更改时间戳的时区</Chinesesimp>
+            <Korean>타임스탬프의 시간대를 변경하십시오</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampTimezoneIngameTime">
+            <English>In-game Time</English>
+            <Russian>Время в игре</Russian>
+            <French>Heure de jeu</French>
+            <Japanese>ゲーム内時刻</Japanese>
+            <Spanish>Hora del juego</Spanish>
+            <Polish>Czas gry</Polish>
+            <German>Ingame-Zeit</German>
+            <Chinesesimp>游戏内时间</Chinesesimp>
+            <Korean>게임 시간</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampTimezoneSystemTime">
+            <English>System Time</English>
+            <Russian>Системное время</Russian>
+            <French>Heure système</French>
+            <Japanese>システム時刻</Japanese>
+            <Spanish>Hora del sistema</Spanish>
+            <Polish>Czas systemowy</Polish>
+            <German>Systemzeit</German>
+            <Chinesesimp>系统时间</Chinesesimp>
+            <Korean>시스템 시간</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampTimezoneUTCTime">
+            <English>UTC Time</English>
+            <Russian>Время UTC</Russian>
+            <French>Heure UTC</French>
+            <Japanese>UTC時刻</Japanese>
+            <Spanish>Hora UTC</Spanish>
+            <Polish>Czas UTC</Polish>
+            <German>UTC-Zeit</German>
+            <Chinesesimp>UTC时间</Chinesesimp>
+            <Korean>UTC 시간</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampUTCOffset">
+            <English>UTC Offset</English>
+            <Russian>Смещение UTC</Russian>
+            <French>Décalage UTC</French>
+            <Japanese>UTCオフセット</Japanese>
+            <Spanish>Desplazamiento UTC</Spanish>
+            <Polish>Przesunięcie UTC</Polish>
+            <German>UTC-Verschiebung</German>
+            <Chinesesimp>UTC偏移量</Chinesesimp>
+            <Korean>UTC 오프셋</Korean>
+        </Key>
+        <Key ID="STR_ACE_Markers_TimestampUTCOffsetDescription">
+            <English>Change the time offset for the UTC timestamp</English>
+            <Russian>Измените смещение времени для метки времени UTC</Russian>
+            <French>Modifier le décalage horaire pour l'horodatage UTC</French>
+            <Japanese>UTCタイムスタンプの時差を変更する</Japanese>
+            <Spanish>Cambiar el desplazamiento horario para la marca de tiempo UTC</Spanish>
+            <Polish>Zmień przesunięcie czasu dla sygnatury czasowej UTC</Polish>
+            <German>Ändere die Zeitverschiebung für den UTC-Zeitstempel</German>
+            <Chinesesimp>更改UTC时间戳的时间偏移量</Chinesesimp>
+            <Korean>UTC 타임 스탬프의 시간 오프셋을 변경하십시오</Korean>
+        </Key>
         <Key ID="STR_ACE_Markers_TimestampFormat">
             <English>Timestamp Format</English>
             <Russian>Формат времени</Russian>