diff --git a/Build/Sources/TypeScript/backend/Resources/Public/TypeScript/DateTimePicker.ts b/Build/Sources/TypeScript/backend/Resources/Public/TypeScript/DateTimePicker.ts
index 1f8fd6c5382cc87e74ae1fc1112d113c270c9c2f..502f95ba4f2ec022b15a109c8ab9178992680464 100644
--- a/Build/Sources/TypeScript/backend/Resources/Public/TypeScript/DateTimePicker.ts
+++ b/Build/Sources/TypeScript/backend/Resources/Public/TypeScript/DateTimePicker.ts
@@ -119,6 +119,7 @@ class DateTimePicker {
     const format = this.format;
     const type = $element.data('dateType');
     const options = {
+      calendarWeeks: true,
       format: '',
       locale: '',
       sideBySide: true,
diff --git a/typo3/sysext/backend/Resources/Public/JavaScript/DateTimePicker.js b/typo3/sysext/backend/Resources/Public/JavaScript/DateTimePicker.js
index fc11cc652a9787670761c953c8589fb2c5015785..8361f633b8cdc3066842d59fc1e80aaaa0924290 100644
--- a/typo3/sysext/backend/Resources/Public/JavaScript/DateTimePicker.js
+++ b/typo3/sysext/backend/Resources/Public/JavaScript/DateTimePicker.js
@@ -10,4 +10,4 @@
  *
  * The TYPO3 project - inspiring people to share!
  */
-var __importDefault=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};define(["require","exports","jquery","moment","./Storage/Persistent"],(function(t,e,a,i,r){"use strict";a=__importDefault(a),i=__importDefault(i);class d{constructor(t){this.fieldSelector=".t3js-datetimepicker",this.format=(null!=opener&&void 0!==opener.top.TYPO3?opener.top:top).TYPO3.settings.DateTimePicker.DateFormat,a.default(()=>{this.initialize(t)})}static formatDateForHiddenField(t,e){return"time"!==e&&"timesec"!==e||t.year(1970).month(0).date(1),t.format()}initialize(e){const o=a.default(e||this.fieldSelector).filter((t,e)=>void 0===a.default(e).data("DateTimePicker"));o.length>0&&t(["twbs/bootstrap-datetimepicker"],()=>{let t=r.get("lang");"ch"===t&&(t="zh-cn");const e=t?i.default.locale(t):"";o.each((t,i)=>{this.initializeField(a.default(i),e)}),o.on("blur",t=>{const e=a.default(t.currentTarget),r=e.parent().parent().find('input[type="hidden"]');if(""===e.val())r.val("");else{const t=e.data("dateType"),a=e.data("DateTimePicker").format(),o=i.default.utc(e.val(),a);o.isValid()?r.val(d.formatDateForHiddenField(o,t)):e.val(d.formatDateForHiddenField(i.default.utc(r.val()),t))}}),o.on("dp.change",t=>{const e=a.default(t.currentTarget),i=e.parent().parent().find("input[type=hidden]"),r=e.data("dateType");let o="";""!==e.val()&&(o=d.formatDateForHiddenField(t.date.utc(),r)),i.val(o),a.default(document).trigger("formengine.dp.change",[e])})})}initializeField(t,e){const a=this.format,r={format:"",locale:"",sideBySide:!0,showTodayButton:!0,toolbarPlacement:"bottom",icons:{time:"fa fa-clock-o",date:"fa fa-calendar",up:"fa fa-chevron-up",down:"fa fa-chevron-down",previous:"fa fa-chevron-left",next:"fa fa-chevron-right",today:"fa fa-calendar-o",clear:"fa fa-trash"}};switch(t.data("dateType")){case"datetime":r.format=a[1];break;case"date":r.format=a[0];break;case"time":r.format="HH:mm";break;case"timesec":r.format="HH:mm:ss";break;case"year":r.format="YYYY"}t.data("dateMindate")&&t.data("dateMindate",i.default.unix(t.data("dateMindate")).format(r.format)),t.data("dateMaxdate")&&t.data("dateMaxdate",i.default.unix(t.data("dateMaxdate")).format(r.format)),e&&(r.locale=e),t.datetimepicker(r)}}return new d}));
\ No newline at end of file
+var __importDefault=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};define(["require","exports","jquery","moment","./Storage/Persistent"],(function(e,t,a,i,r){"use strict";a=__importDefault(a),i=__importDefault(i);class d{constructor(e){this.fieldSelector=".t3js-datetimepicker",this.format=(null!=opener&&void 0!==opener.top.TYPO3?opener.top:top).TYPO3.settings.DateTimePicker.DateFormat,a.default(()=>{this.initialize(e)})}static formatDateForHiddenField(e,t){return"time"!==t&&"timesec"!==t||e.year(1970).month(0).date(1),e.format()}initialize(t){const o=a.default(t||this.fieldSelector).filter((e,t)=>void 0===a.default(t).data("DateTimePicker"));o.length>0&&e(["twbs/bootstrap-datetimepicker"],()=>{let e=r.get("lang");"ch"===e&&(e="zh-cn");const t=e?i.default.locale(e):"";o.each((e,i)=>{this.initializeField(a.default(i),t)}),o.on("blur",e=>{const t=a.default(e.currentTarget),r=t.parent().parent().find('input[type="hidden"]');if(""===t.val())r.val("");else{const e=t.data("dateType"),a=t.data("DateTimePicker").format(),o=i.default.utc(t.val(),a);o.isValid()?r.val(d.formatDateForHiddenField(o,e)):t.val(d.formatDateForHiddenField(i.default.utc(r.val()),e))}}),o.on("dp.change",e=>{const t=a.default(e.currentTarget),i=t.parent().parent().find("input[type=hidden]"),r=t.data("dateType");let o="";""!==t.val()&&(o=d.formatDateForHiddenField(e.date.utc(),r)),i.val(o),a.default(document).trigger("formengine.dp.change",[t])})})}initializeField(e,t){const a=this.format,r={calendarWeeks:!0,format:"",locale:"",sideBySide:!0,showTodayButton:!0,toolbarPlacement:"bottom",icons:{time:"fa fa-clock-o",date:"fa fa-calendar",up:"fa fa-chevron-up",down:"fa fa-chevron-down",previous:"fa fa-chevron-left",next:"fa fa-chevron-right",today:"fa fa-calendar-o",clear:"fa fa-trash"}};switch(e.data("dateType")){case"datetime":r.format=a[1];break;case"date":r.format=a[0];break;case"time":r.format="HH:mm";break;case"timesec":r.format="HH:mm:ss";break;case"year":r.format="YYYY"}e.data("dateMindate")&&e.data("dateMindate",i.default.unix(e.data("dateMindate")).format(r.format)),e.data("dateMaxdate")&&e.data("dateMaxdate",i.default.unix(e.data("dateMaxdate")).format(r.format)),t&&(r.locale=t),e.datetimepicker(r)}}return new d}));
\ No newline at end of file
diff --git a/typo3/sysext/core/Documentation/Changelog/master/Feature-92022-ShowWeekNumbersInDateTimePickerForEditors.rst b/typo3/sysext/core/Documentation/Changelog/master/Feature-92022-ShowWeekNumbersInDateTimePickerForEditors.rst
new file mode 100644
index 0000000000000000000000000000000000000000..35a2814ebe62a909995c93b9a717a28ebf4644ef
--- /dev/null
+++ b/typo3/sysext/core/Documentation/Changelog/master/Feature-92022-ShowWeekNumbersInDateTimePickerForEditors.rst
@@ -0,0 +1,18 @@
+
+.. include:: ../../Includes.txt
+
+==================================================================
+Feature: #92022 - Show week numbers in DateTimePicker for editors
+==================================================================
+
+See :issue:`92022`
+
+Description
+===========
+
+In addition to the days of the week, the DateTimePicker now also shows the calendar weeks.
+This is helpful for editors to find the desired date more quickly using a calendar week.
+
+The DateTimePicker is used in the TCA forms, for example, to define the start and end date for content or pages.
+
+.. index:: Backend, JavaScript