From 27a552c3ea3634954f3a0397d2c53a1d6ec8f748 Mon Sep 17 00:00:00 2001
From: Shabnam <shabnam.ofl@gmail.com>
Date: Sun, 7 Jun 2026 23:47:15 +0530
Subject: [PATCH] fix: use local date getters instead of toISOString() to
 prevent timezone date shift on task edit

---
 frontend/src/components/Task/TaskFormModal.jsx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/frontend/src/components/Task/TaskFormModal.jsx b/frontend/src/components/Task/TaskFormModal.jsx
index c4dc0285..298ad1e5 100644
--- a/frontend/src/components/Task/TaskFormModal.jsx
+++ b/frontend/src/components/Task/TaskFormModal.jsx
@@ -54,8 +54,12 @@ export default function TaskFormModal({
       if (task?.dueDate) {
         const dt = new Date(task.dueDate);
 
-        const datePart = dt.toISOString().slice(0, 10); // YYYY-MM-DD
-        const timePart = dt.toTimeString().slice(0, 5); // HH:MM
+        // Use local date getters to avoid UTC conversion shifting the date
+        const yyyy = dt.getFullYear();
+        const mm = String(dt.getMonth() + 1).padStart(2, "0");
+        const dd = String(dt.getDate()).padStart(2, "0");
+        const datePart = `${yyyy}-${mm}-${dd}`; // YYYY-MM-DD in local time
+        const timePart = dt.toTimeString().slice(0, 5); // HH:MM in local time
 
         setDueDate(datePart);
         setDueTime(timePart);