diff --git a/packages/devextreme/js/__internal/ui/calendar/m_calendar.base_view.ts b/packages/devextreme/js/__internal/ui/calendar/m_calendar.base_view.ts
index 0238d2d842a4..af12441db9b4 100644
--- a/packages/devextreme/js/__internal/ui/calendar/m_calendar.base_view.ts
+++ b/packages/devextreme/js/__internal/ui/calendar/m_calendar.base_view.ts
@@ -138,11 +138,49 @@ const BaseView = (Widget as any).inherit({
   },
 
   _getMultipleModeAriaLabel() {
-    const ariaLabel = this._getLocalizedWidgetName();
+    const localizedWidgetName = this._getLocalizedWidgetName();
+    const selectedRangesText = this._getMultipleRangesText();
+
+    const ariaLabel = `${localizedWidgetName}. ${selectedRangesText}`;
 
     return ariaLabel;
   },
 
+  _getMultipleRangesText() {
+    const { value } = this.option();
+    const ranges = coreDateUtils.getRangesByDates(value.map((date) => new Date(date)));
+
+    if (ranges.length > 2) {
+      // @ts-expect-error
+      const dateRangeCountText = messageLocalization.format('dxCalendar-selectedDateRangeCount', ranges.length);
+
+      return dateRangeCountText;
+    }
+
+    const selectedDatesText = messageLocalization.format('dxCalendar-selectedDates');
+    const rangesText = ranges
+      .map((range) => this._getRangeText(range))
+      .join(', ');
+
+    const result = `${selectedDatesText}: ${rangesText}`;
+
+    return result;
+  },
+
+  _getRangeText(range) {
+    const [startDate, endDate] = range;
+
+    const formattedStartDate = dateLocalization.format(startDate, ARIA_LABEL_DATE_FORMAT);
+    const formattedEndDate = dateLocalization.format(endDate, ARIA_LABEL_DATE_FORMAT);
+
+    const selectedDatesText = startDate && endDate
+      // @ts-expect-error
+      ? messageLocalization.format('dxCalendar-selectedMultipleDateRange', formattedStartDate, formattedEndDate)
+      : formattedStartDate;
+
+    return selectedDatesText;
+  },
+
   _getTableAriaLabel() {
     const { value, selectionMode } = this.option();
 
diff --git a/packages/devextreme/js/core/utils/date.js b/packages/devextreme/js/core/utils/date.js
index 7aa54270e76d..7c9dde7451c4 100644
--- a/packages/devextreme/js/core/utils/date.js
+++ b/packages/devextreme/js/core/utils/date.js
@@ -5,6 +5,7 @@ import { adjust } from './math';
 import { each } from './iterator';
 import { camelize } from './inflector';
 import { toMilliseconds } from '../../renovation/ui/common/utils/date/index';
+import dateSerialization from './date_serialization';
 
 const DAYS_IN_WEEK = 7;
 const THURSDAY_WEEK_NUMBER = 4;
@@ -689,6 +690,37 @@ const getMachineTimezoneName = () => {
         : null;
 };
 
+const getRangesByDates = (dates) => {
+    const datesInMilliseconds = dates.map((value) => correctDateWithUnitBeginning(value, 'day').getTime());
+    const sortedDates = datesInMilliseconds.sort((a, b) => a - b);
+
+    const msInDay = toMilliseconds('day');
+    const ranges = [];
+
+    let startDate = sortedDates[0];
+
+    for(let i = 1; i <= sortedDates.length; ++i) {
+        const nextDate = sortedDates[i];
+        const currentDate = sortedDates[i - 1];
+
+        const isNewRange = nextDate - currentDate > msInDay;
+
+        if(isNewRange || i === sortedDates.length) {
+            const range = startDate === sortedDates[i - 1]
+                ? [startDate]
+                : [startDate, sortedDates[i - 1]];
+
+            const serializedRange = range.map((value) => dateSerialization.deserializeDate(value));
+
+            ranges.push(serializedRange);
+
+            startDate = nextDate;
+        }
+    }
+
+    return ranges;
+};
+
 const dateUtils = {
     dateUnitIntervals: dateUnitIntervals,
 
@@ -752,6 +784,8 @@ const dateUtils = {
     createDateWithFullYear: createDateWithFullYear,
 
     getMachineTimezoneName: getMachineTimezoneName,
+
+    getRangesByDates: getRangesByDates,
 };
 
 dateUtils.sameView = function(view, date1, date2) {
diff --git a/packages/devextreme/js/localization/messages/ar.json b/packages/devextreme/js/localization/messages/ar.json
index 753fad7c14b4..25f03d6cccf8 100644
--- a/packages/devextreme/js/localization/messages/ar.json
+++ b/packages/devextreme/js/localization/messages/ar.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/ca.json b/packages/devextreme/js/localization/messages/ca.json
index b146d5465681..607dc809dc02 100644
--- a/packages/devextreme/js/localization/messages/ca.json
+++ b/packages/devextreme/js/localization/messages/ca.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/cs.json b/packages/devextreme/js/localization/messages/cs.json
index 2405d3d02520..fa4bbcff1b95 100644
--- a/packages/devextreme/js/localization/messages/cs.json
+++ b/packages/devextreme/js/localization/messages/cs.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/de.json b/packages/devextreme/js/localization/messages/de.json
index 0cf05aabee86..a9ada04b98f4 100644
--- a/packages/devextreme/js/localization/messages/de.json
+++ b/packages/devextreme/js/localization/messages/de.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/el.json b/packages/devextreme/js/localization/messages/el.json
index 2c731baf352e..680c048f8d90 100644
--- a/packages/devextreme/js/localization/messages/el.json
+++ b/packages/devextreme/js/localization/messages/el.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/en.json b/packages/devextreme/js/localization/messages/en.json
index 270bebfa79da..43391d6418e5 100644
--- a/packages/devextreme/js/localization/messages/en.json
+++ b/packages/devextreme/js/localization/messages/en.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/es.json b/packages/devextreme/js/localization/messages/es.json
index e0a432d189f3..e4a3b2a06a5d 100644
--- a/packages/devextreme/js/localization/messages/es.json
+++ b/packages/devextreme/js/localization/messages/es.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/fa.json b/packages/devextreme/js/localization/messages/fa.json
index e1f725fb53be..c2a653aaa1bb 100644
--- a/packages/devextreme/js/localization/messages/fa.json
+++ b/packages/devextreme/js/localization/messages/fa.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/fi.json b/packages/devextreme/js/localization/messages/fi.json
index ed11dd9f5b5e..33f74ceac40f 100644
--- a/packages/devextreme/js/localization/messages/fi.json
+++ b/packages/devextreme/js/localization/messages/fi.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/fr.json b/packages/devextreme/js/localization/messages/fr.json
index 09a188cc040b..b37bea59f093 100644
--- a/packages/devextreme/js/localization/messages/fr.json
+++ b/packages/devextreme/js/localization/messages/fr.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/hu.json b/packages/devextreme/js/localization/messages/hu.json
index fdd23c370c5a..c7d74d3c58b0 100644
--- a/packages/devextreme/js/localization/messages/hu.json
+++ b/packages/devextreme/js/localization/messages/hu.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/it.json b/packages/devextreme/js/localization/messages/it.json
index 7b7be5cfb681..d5dd66f942ee 100644
--- a/packages/devextreme/js/localization/messages/it.json
+++ b/packages/devextreme/js/localization/messages/it.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/ja.json b/packages/devextreme/js/localization/messages/ja.json
index 85dae1cbe842..ece2ba683b2a 100644
--- a/packages/devextreme/js/localization/messages/ja.json
+++ b/packages/devextreme/js/localization/messages/ja.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/lt.json b/packages/devextreme/js/localization/messages/lt.json
index ee5e80194864..674272cbf1c5 100644
--- a/packages/devextreme/js/localization/messages/lt.json
+++ b/packages/devextreme/js/localization/messages/lt.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/lv.json b/packages/devextreme/js/localization/messages/lv.json
index b56dce083fa5..dc77c798e269 100644
--- a/packages/devextreme/js/localization/messages/lv.json
+++ b/packages/devextreme/js/localization/messages/lv.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/nb.json b/packages/devextreme/js/localization/messages/nb.json
index 9e2363308a23..4fff740a80c1 100644
--- a/packages/devextreme/js/localization/messages/nb.json
+++ b/packages/devextreme/js/localization/messages/nb.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/nl.json b/packages/devextreme/js/localization/messages/nl.json
index 2c30f6c2a789..b1f567ff64bd 100644
--- a/packages/devextreme/js/localization/messages/nl.json
+++ b/packages/devextreme/js/localization/messages/nl.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/pl.json b/packages/devextreme/js/localization/messages/pl.json
index bbf0df0392ce..46302751dfc1 100644
--- a/packages/devextreme/js/localization/messages/pl.json
+++ b/packages/devextreme/js/localization/messages/pl.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/pt.json b/packages/devextreme/js/localization/messages/pt.json
index 0c128f97c493..5614182d032d 100644
--- a/packages/devextreme/js/localization/messages/pt.json
+++ b/packages/devextreme/js/localization/messages/pt.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/ro.json b/packages/devextreme/js/localization/messages/ro.json
index 984b6ee557bb..9a8fc8971b9b 100644
--- a/packages/devextreme/js/localization/messages/ro.json
+++ b/packages/devextreme/js/localization/messages/ro.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/ru.json b/packages/devextreme/js/localization/messages/ru.json
index 979f5aab0183..45bdc2cb1b13 100644
--- a/packages/devextreme/js/localization/messages/ru.json
+++ b/packages/devextreme/js/localization/messages/ru.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/sl.json b/packages/devextreme/js/localization/messages/sl.json
index 1f71b3c0125c..2b9fbe6d5f11 100644
--- a/packages/devextreme/js/localization/messages/sl.json
+++ b/packages/devextreme/js/localization/messages/sl.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/sv.json b/packages/devextreme/js/localization/messages/sv.json
index ca2549af7f42..c15f92060b15 100644
--- a/packages/devextreme/js/localization/messages/sv.json
+++ b/packages/devextreme/js/localization/messages/sv.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/tr.json b/packages/devextreme/js/localization/messages/tr.json
index 9bcfdbd0fe0e..efb859c2d609 100644
--- a/packages/devextreme/js/localization/messages/tr.json
+++ b/packages/devextreme/js/localization/messages/tr.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/vi.json b/packages/devextreme/js/localization/messages/vi.json
index 81b046660828..4babd4ed8bc1 100644
--- a/packages/devextreme/js/localization/messages/vi.json
+++ b/packages/devextreme/js/localization/messages/vi.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/zh-tw.json b/packages/devextreme/js/localization/messages/zh-tw.json
index f8deed2ee768..a161ece8c721 100644
--- a/packages/devextreme/js/localization/messages/zh-tw.json
+++ b/packages/devextreme/js/localization/messages/zh-tw.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/js/localization/messages/zh.json b/packages/devextreme/js/localization/messages/zh.json
index c7f7dcd0bed9..3050a1b5fe1e 100644
--- a/packages/devextreme/js/localization/messages/zh.json
+++ b/packages/devextreme/js/localization/messages/zh.json
@@ -316,7 +316,10 @@
         "dxCalendar-captionDecadeLabel": "Decade selection",
         "dxCalendar-captionCenturyLabel": "Century selection",
         "dxCalendar-selectedDate": "The selected date is {0}",
+        "dxCalendar-selectedDates": "The selected dates",
         "dxCalendar-selectedDateRange": "The selected date range is from {0} to {1}",
+        "dxCalendar-selectedMultipleDateRange": "from {0} to {1}",
+        "dxCalendar-selectedDateRangeCount": "There are {0} selected date ranges",
         "dxCalendar-readOnlyLabel": "Read-only calendar",
 
         "dxChat-emptyListMessage": "There are no messages in this chat",
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/calendar.markup.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/calendar.markup.tests.js
index 12b4e3a0cfd5..7c06483a693f 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/calendar.markup.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/calendar.markup.tests.js
@@ -26,6 +26,10 @@ const toSelector = function(className) {
     return '.' + className;
 };
 
+const getFormattedDate = (date) => {
+    return dateLocalization.format(new Date(date), ARIA_LABEL_DATE_FORMAT);
+};
+
 const { module: testModule, test } = QUnit;
 
 QUnit.module('Calendar markup', {
@@ -461,18 +465,41 @@ QUnit.module('Aria accessibility', {
                 checkTableAttribute(assert, this.$element, 'aria-label', expectedAriaLabel);
             });
 
-            QUnit.test(`table aria-label should be equal to "Calendar" when selectionMode=multiple, zoomLevel=${zoomLevel}`, function(assert) {
-                const date = new Date(2024, 3, 21);
-
-                this.$element.dxCalendar({
-                    zoomLevel,
-                    selectionMode: 'multiple',
-                    value: [date],
+            [
+                {
+                    value: [ new Date(1726765744957) ],
+                    expectedAriaLabel: `Calendar. The selected dates: ${getFormattedDate(1726765744957)}`,
+                },
+                {
+                    value: [ '2017-03-27T16:54:48' ],
+                    expectedAriaLabel: `Calendar. The selected dates: ${getFormattedDate('2017-03-27T16:54:48')}`,
+                },
+                {
+                    value: [ 1726938544957 ],
+                    expectedAriaLabel: `Calendar. The selected dates: ${getFormattedDate(1726938544957)}`,
+                },
+                {
+                    value: [ '2024-09-21T17:09:04', '2024-09-20T17:09:04', '2024-09-19T17:09:04' ],
+                    expectedAriaLabel: `Calendar. The selected dates: from ${getFormattedDate('2024-09-19T17:09:04')} to ${getFormattedDate('2024-09-21T17:09:04')}`,
+                },
+                {
+                    value: [ '2024-09-21T17:09:04', '2024-09-20T17:09:04', '2024-09-19T17:09:04', '2024-09-23T17:09:04', '2024-09-24T17:09:04', ],
+                    expectedAriaLabel: `Calendar. The selected dates: from ${getFormattedDate('2024-09-19T17:09:04')} to ${getFormattedDate('2024-09-21T17:09:04')}, from ${getFormattedDate('2024-09-23T17:09:04')} to ${getFormattedDate('2024-09-24T17:09:04')}`,
+                },
+                {
+                    value: [ '2024-09-21T17:09:04', '2024-09-20T17:09:04', '2024-09-19T17:09:04', '2024-09-23T17:09:04', '2024-09-24T17:09:04', '2024-09-27T10:55:11' ],
+                    expectedAriaLabel: 'Calendar. There are 3 selected date ranges',
+                },
+            ].forEach(({ value, expectedAriaLabel }) => {
+                QUnit.test(`table aria-label should be correct when selectionMode=multiple,value=${value},zoomLevel=${zoomLevel}`, function(assert) {
+                    this.$element.dxCalendar({
+                        zoomLevel,
+                        selectionMode: 'multiple',
+                        value,
+                    }).dxCalendar('instance');
+
+                    checkTableAttribute(assert, this.$element, 'aria-label', expectedAriaLabel);
                 });
-
-                const expectedAriaLabel = 'Calendar';
-
-                checkTableAttribute(assert, this.$element, 'aria-label', expectedAriaLabel);
             });
 
             QUnit.test(`table aria-label should contain selected date when selectionMode=range, zoomLevel=${zoomLevel}`, function(assert) {
@@ -548,21 +575,23 @@ QUnit.module('Aria accessibility', {
             checkTableAttribute(assert, this.$element, 'aria-label', expectedAriaLabel);
         });
 
-        QUnit.test('table aria-label should not contain new selected date after value changed when selectionMode=multiple', function(assert) {
+        QUnit.test('table aria-label should contain new selected dates after value changed when selectionMode=multiple', function(assert) {
             const firstDate = new Date(2024, 3, 21);
             const secondDate = new Date(2024, 3, 23);
 
-            const newFirstDate = new Date(2024, 3, 27);
-            const newSecondDate = new Date(2024, 3, 29);
-
             const instance = this.$element.dxCalendar({
                 selectionMode: 'multiple',
                 value: [firstDate, secondDate],
             }).dxCalendar('instance');
 
+            checkTableAttribute(assert, this.$element, 'aria-label', 'Calendar. The selected dates: April 21, 2024, April 23, 2024');
+
+            const newFirstDate = new Date(2024, 3, 27);
+            const newSecondDate = new Date(2024, 3, 29);
+
             instance.option({ value: [newFirstDate, newSecondDate] });
 
-            checkTableAttribute(assert, this.$element, 'aria-label', 'Calendar');
+            checkTableAttribute(assert, this.$element, 'aria-label', 'Calendar. The selected dates: April 27, 2024, April 29, 2024');
         });
 
         QUnit.test('table should have an aria-label "Calendar" when value is [null, null], selectionMode=range', function(assert) {
diff --git a/packages/devextreme/testing/tests/DevExpress.utils/utils.date.tests.js b/packages/devextreme/testing/tests/DevExpress.utils/utils.date.tests.js
new file mode 100644
index 000000000000..b1f84e14cf9e
--- /dev/null
+++ b/packages/devextreme/testing/tests/DevExpress.utils/utils.date.tests.js
@@ -0,0 +1,76 @@
+import dateUtils from 'core/utils/date';
+const { test, module } = QUnit;
+
+module('getRangesByDates', {}, () => {
+    test('getRangesByDates should generate correct ranges when dates is empty array', function(assert) {
+        const dates = [];
+        const expectedResult = [];
+
+        const result = dateUtils.getRangesByDates(dates);
+
+        assert.deepEqual(result, expectedResult);
+    });
+
+    test('getRangesByDates should generate correct ranges when dates is 1-length array', function(assert) {
+        const dates = [ new Date('2024-11-27T13:27:01') ];
+        const expectedResult = [ [ new Date('2024-11-27T00:00:00') ] ];
+
+        const result = dateUtils.getRangesByDates(dates);
+
+        assert.deepEqual(result, expectedResult);
+    });
+
+    test('getRangesByDates should generate correct ranges when dates is array with single range', function(assert) {
+        const dates = [
+            new Date('2024-09-27T02:17:07'),
+            new Date('2024-09-28T02:17:07'),
+            new Date('2024-09-29T02:17:07'),
+        ];
+
+        const expectedResult = [
+            [
+                new Date('2024-09-27T00:00:00'),
+                new Date('2024-09-29T00:00:00'),
+            ],
+        ];
+
+        const result = dateUtils.getRangesByDates(dates);
+
+        assert.deepEqual(result, expectedResult);
+    });
+
+    test('getRangesByDates should generate correct ranges', function(assert) {
+        const dates = [
+            new Date('2024-11-27T13:27:01'),
+            new Date('2024-10-27T16:54:10'),
+            new Date('2024-09-20T16:54:48'),
+            new Date('2024-09-21T18:54:21'),
+            new Date('2024-09-23T16:54:04'),
+            new Date('2024-09-24T02:54:12'),
+            new Date('2024-09-27T02:17:07'),
+            new Date('2024-09-26T18:28:11'),
+            new Date('2024-09-25T00:28:10'),
+        ];
+
+        const expectedResult = [
+            [
+                new Date('2024-09-20T00:00:00'),
+                new Date('2024-09-21T00:00:00'),
+            ],
+            [
+                new Date('2024-09-23T00:00:00'),
+                new Date('2024-09-27T00:00:00'),
+            ],
+            [
+                new Date('2024-10-27T00:00:00'),
+            ],
+            [
+                new Date('2024-11-27T00:00:00'),
+            ]
+        ];
+
+        const result = dateUtils.getRangesByDates(dates);
+
+        assert.deepEqual(result, expectedResult);
+    });
+});