diff --git a/components/lib/datatable/DataTable.js b/components/lib/datatable/DataTable.js
index 4e25ad0e1a..9e31554e17 100644
--- a/components/lib/datatable/DataTable.js
+++ b/components/lib/datatable/DataTable.js
@@ -932,7 +932,8 @@ export const DataTable = React.forwardRef((props, ref) => {
         const value1 = ObjectUtils.resolveFieldData(data1, multiSortMeta[index].field);
         const value2 = ObjectUtils.resolveFieldData(data2, multiSortMeta[index].field);
 
-        if (value1 === value2) {
+        // check if they are equal handling dates and locales
+        if (ObjectUtils.compare(value1, value2, PrimeReact.locale) === 0) {
             return multiSortMeta.length - 1 > index ? multisortField(data1, data2, multiSortMeta, index + 1) : 0;
         }
 
diff --git a/components/lib/treetable/TreeTable.js b/components/lib/treetable/TreeTable.js
index 00c34a4ce2..0c00ef5163 100644
--- a/components/lib/treetable/TreeTable.js
+++ b/components/lib/treetable/TreeTable.js
@@ -178,7 +178,7 @@ export const TreeTable = React.forwardRef((props, ref) => {
                 const sortField = getSortField();
                 const value1 = ObjectUtils.resolveFieldData(node1.data, sortField);
                 const value2 = ObjectUtils.resolveFieldData(node2.data, sortField);
-                return ObjectUtils.sort(value1, value2, getSortOrder(), PrimeReact.locale, PrimeReact.nullSortOrder);
+                return compareValuesOnSort(value1, value2, getSortOrder());
             });
 
             for (let i = 0; i < value.length; i++) {
@@ -216,21 +216,17 @@ export const TreeTable = React.forwardRef((props, ref) => {
     const multisortField = (node1, node2, multiSortMeta, index) => {
         const value1 = ObjectUtils.resolveFieldData(node1.data, multiSortMeta[index].field);
         const value2 = ObjectUtils.resolveFieldData(node2.data, multiSortMeta[index].field);
-        let result = null;
-
-        if (value1 == null && value2 != null) result = -1;
-        else if (value1 != null && value2 == null) result = 1;
-        else if (value1 == null && value2 == null) result = 0;
-        else {
-            if (value1 === value2) {
-                return multiSortMeta.length - 1 > index ? multisortField(node1, node2, multiSortMeta, index + 1) : 0;
-            } else {
-                if ((typeof value1 === 'string' || value1 instanceof String) && (typeof value2 === 'string' || value2 instanceof String)) return multiSortMeta[index].order * value1.localeCompare(value2, PrimeReact.locale, { numeric: true });
-                else result = value1 < value2 ? -1 : 1;
-            }
+
+        // check if they are equal handling dates and locales
+        if (ObjectUtils.compare(value1, value2, PrimeReact.locale) === 0) {
+            return multiSortMeta.length - 1 > index ? multisortField(node1, node2, multiSortMeta, index + 1) : 0;
         }
 
-        return multiSortMeta[index].order * result;
+        return compareValuesOnSort(value1, value2, multiSortMeta[index].order);
+    };
+
+    const compareValuesOnSort = (value1, value2, order) => {
+        return ObjectUtils.sort(value1, value2, order, PrimeReact.locale, PrimeReact.nullSortOrder);
     };
 
     const filter = (value, field, mode) => {
diff --git a/components/lib/utils/ObjectUtils.js b/components/lib/utils/ObjectUtils.js
index c99314c28d..fea67b3a9b 100644
--- a/components/lib/utils/ObjectUtils.js
+++ b/components/lib/utils/ObjectUtils.js
@@ -180,8 +180,14 @@ export default class ObjectUtils {
     }
 
     static sort(value1, value2, order = 1, locale, nullSortOrder = 1) {
-        let result = null;
+        const result = ObjectUtils.compare(value1, value2, locale, order);
+        // nullSortOrder == 1 means Excel like sort nulls at bottom
+        const finalSortOrder = nullSortOrder === 1 ? order : nullSortOrder;
+        return finalSortOrder * result;
+    }
 
+    static compare(value1, value2, locale, order = 1) {
+        let result = -1;
         const emptyValue1 = this.isEmpty(value1);
         const emptyValue2 = this.isEmpty(value2);
 
@@ -191,8 +197,6 @@ export default class ObjectUtils {
         else if (typeof value1 === 'string' && typeof value2 === 'string') result = value1.localeCompare(value2, locale, { numeric: true });
         else result = value1 < value2 ? -1 : value1 > value2 ? 1 : 0;
 
-        // nullSortOrder == 1 means Excel like sort nulls at bottom
-        const finalSortOrder = nullSortOrder === 1 ? order : nullSortOrder;
-        return finalSortOrder * result;
+        return result;
     }
 }