diff --git a/src/pages/GFMIS/TransactionDataGrid.js b/src/pages/GFMIS/TransactionDataGrid.js
index 1f346ab..eeb8659 100644
--- a/src/pages/GFMIS/TransactionDataGrid.js
+++ b/src/pages/GFMIS/TransactionDataGrid.js
@@ -75,8 +75,22 @@ export default function SearchPaymentTable({ searchCriteria, applyGridOnReady, a
             headerName: 'Transaction Date',
             flex: 1,
             minWidth: 150,
-            valueGetter: (params) => {
-                return DateUtils.dateStr(params?.value);
+            // sorting/filtering uses this value
+            valueGetter: (params) => DateUtils.toDate(params?.value),
+
+            // display uses this (params.value is the *Date* returned above)
+            valueFormatter: (params) => {
+                const d = params.value;               // Date or Invalid Date
+                return d instanceof Date && !isNaN(d.getTime())
+                ? DateUtils.dateStr(d)
+                : "";
+            },
+
+            // make sorting 100% deterministic
+            sortComparator: (v1, v2) => {
+                const t1 = v1 instanceof Date && !isNaN(v1.getTime()) ? v1.getTime() : -Infinity;
+                const t2 = v2 instanceof Date && !isNaN(v2.getTime()) ? v2.getTime() : -Infinity;
+                return t1 - t2;
             }
         },
         {
diff --git a/src/pages/Payment/Search_GLD/DataGrid.js b/src/pages/Payment/Search_GLD/DataGrid.js
index 5537d31..d24fed0 100644
--- a/src/pages/Payment/Search_GLD/DataGrid.js
+++ b/src/pages/Payment/Search_GLD/DataGrid.js
@@ -110,8 +110,23 @@ export default function SearchPaymentTable({ searchCriteria, applyGridOnReady, a
             headerName: 'Transaction Date',
             flex: 1,
             minWidth: 150,
-            valueGetter: (params) => {
-                return DateUtils.dateStr(params?.value);
+
+            // sorting/filtering uses this value
+            valueGetter: (params) => DateUtils.toDate(params?.value),
+
+            // display uses this (params.value is the *Date* returned above)
+            valueFormatter: (params) => {
+                const d = params.value;               // Date or Invalid Date
+                return d instanceof Date && !isNaN(d.getTime())
+                ? DateUtils.dateStr(d)
+                : "";
+            },
+
+            // make sorting 100% deterministic
+            sortComparator: (v1, v2) => {
+                const t1 = v1 instanceof Date && !isNaN(v1.getTime()) ? v1.getTime() : -Infinity;
+                const t2 = v2 instanceof Date && !isNaN(v2.getTime()) ? v2.getTime() : -Infinity;
+                return t1 - t2;
             }
         },
         {
diff --git a/src/pages/Proof/Search_GLD/DataGrid.js b/src/pages/Proof/Search_GLD/DataGrid.js
index 08a6176..90af342 100644
--- a/src/pages/Proof/Search_GLD/DataGrid.js
+++ b/src/pages/Proof/Search_GLD/DataGrid.js
@@ -60,8 +60,22 @@ export default function SearchPublicNoticeTable({searchCriteria, applyGridOnRead
             headerName: 'Proof Issue Date',
             flex: 1,
             minWidth: 200,
-            valueGetter: (params) => {
-                return DateUtils.datetimeStr(params?.value);
+            // sorting/filtering uses this value
+            valueGetter: (params) => DateUtils.toDate(params?.value),
+
+            // display uses this (params.value is the *Date* returned above)
+            valueFormatter: (params) => {
+                const d = params.value;               // Date or Invalid Date
+                return d instanceof Date && !isNaN(d.getTime())
+                ? DateUtils.dateStr(d)
+                : "";
+            },
+
+            // make sorting 100% deterministic
+            sortComparator: (v1, v2) => {
+                const t1 = v1 instanceof Date && !isNaN(v1.getTime()) ? v1.getTime() : -Infinity;
+                const t2 = v2 instanceof Date && !isNaN(v2.getTime()) ? v2.getTime() : -Infinity;
+                return t1 - t2;
             }
         },
         {
@@ -70,62 +84,23 @@ export default function SearchPublicNoticeTable({searchCriteria, applyGridOnRead
             headerName: 'Confirmed/ Return Date',
             flex: 1,
             minWidth: 200,
-            type: 'dateTime',
-
-            valueGetter: (params) => {
-                const v = params?.value;
-                if (v == null) return null;
-
-                // 1) Number => epoch timestamp (ms or seconds)
-                if (typeof v === "number") {
-                    if (!Number.isFinite(v)) return null;
-
-                    // Heuristic: if it's too small, it's probably seconds
-                    // (ms in 2026 is ~1.7e12, seconds is ~1.7e9)
-                    const ms = v < 1e11 ? v * 1000 : v;
-
-                    const d = new Date(ms);
-                    return Number.isNaN(d.getTime()) ? null : d;
-                }
-
-                // 2) Array => [Y, M, D, h, m, s]
-                if (Array.isArray(v)) {
-                    if (v.length < 3) return null;
-
-                    const year = Number(v[0]);
-                    const month = Number(v[1]); // expecting 1-12
-                    const day = Number(v[2]);
-                    const hour = Number(v[3] ?? 0);
-                    const minute = Number(v[4] ?? 0);
-                    const second = Number(v[5] ?? 0);
-
-                    if (![year, month, day, hour, minute, second].every(Number.isFinite)) return null;
-                    if (month < 1 || month > 12) return null;
-
-                    const d = new Date(year, month - 1, day, hour, minute, second);
-
-                    // Guard against JS "auto-fixing" invalid dates (e.g., Feb 31 -> Mar 2)
-                    if (
-                    d.getFullYear() !== year ||
-                    d.getMonth() !== month - 1 ||
-                    d.getDate() !== day
-                    ) return null;
-
-                    return d;
-                }
-
-                // 3) Optional: ISO string support (if it ever appears)
-                if (typeof v === "string") {
-                    const d = new Date(v);
-                    return Number.isNaN(d.getTime()) ? null : d;
-                }
-
-                return null;
-            },
+            // sorting/filtering uses this value
+            valueGetter: (params) => DateUtils.toDate(params?.value),
 
+            // display uses this (params.value is the *Date* returned above)
             valueFormatter: (params) => {
-                return params.value ? DateUtils.datetimeStr(params.value) : "";
+                const d = params.value;               // Date or Invalid Date
+                return d instanceof Date && !isNaN(d.getTime())
+                ? DateUtils.dateStr(d)
+                : "";
             },
+
+            // make sorting 100% deterministic
+            sortComparator: (v1, v2) => {
+                const t1 = v1 instanceof Date && !isNaN(v1.getTime()) ? v1.getTime() : -Infinity;
+                const t2 = v2 instanceof Date && !isNaN(v2.getTime()) ? v2.getTime() : -Infinity;
+                return t1 - t2;
+            }
         },
         {
             id: 'contactPerson',
diff --git a/src/utils/DateUtils.js b/src/utils/DateUtils.js
index c2a4df1..5877593 100644
--- a/src/utils/DateUtils.js
+++ b/src/utils/DateUtils.js
@@ -93,6 +93,29 @@ export const convertToDate = (date)=>{
     return date;
 }
 
+export const toDate = (date) => {
+  if (date === null || date === undefined || date === '') return new Date(NaN);
+
+  if (typeof date === 'number') {
+    // support seconds or millis
+    const ms = date < 1e12 ? date * 1000 : date;
+    return new Date(ms);
+  }
+
+  if (Array.isArray(date)) {
+    const [y, m, d, hh = 0, mm = 0, ss = 0] = date;
+    return new Date(y, m - 1, d, hh, mm, ss);
+  }
+
+  if (typeof date === 'string') {
+    const normalized = date.includes(' ') && !date.includes('T') ? date.replace(' ', 'T') : date;
+    const d = new Date(normalized);
+    return isNaN(d.getTime()) ? new Date(NaN) : d;
+  }
+
+  return date instanceof Date ? date : new Date(NaN);
+};
+
 export const formatDateForLocale = (date, intl, locale) => {
   const fmt = intl.formatMessage({ id: "paymentMethodDatetimeStrFormat" });
   let s = dateFormat(date, fmt) || "";