From 95ea6c53d381aaedf3bb2d1cc006e6840ebc35bd Mon Sep 17 00:00:00 2001
From: Abdelrahman Awad <me@awad.dev>
Date: Sun, 23 Feb 2025 16:16:46 +0200
Subject: [PATCH] fix: start initial values with zero time components

---
 .../src/useDateTimeField/temporalPartial.ts   | 20 +++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/packages/core/src/useDateTimeField/temporalPartial.ts b/packages/core/src/useDateTimeField/temporalPartial.ts
index 9bc4bcd8..ee779b86 100644
--- a/packages/core/src/useDateTimeField/temporalPartial.ts
+++ b/packages/core/src/useDateTimeField/temporalPartial.ts
@@ -13,9 +13,16 @@ export function createTemporalPartial(
   if (min && max) {
     // Get the middle of the min and max
     const diff = Math.round(max.compare(min) / 2);
-    const zonedDateTime = min.add({
-      milliseconds: diff,
-    }) as TemporalPartial;
+    const zonedDateTime = min
+      .add({
+        milliseconds: diff,
+      })
+      .set({
+        hour: 0,
+        minute: 0,
+        second: 0,
+        millisecond: 0,
+      }) as TemporalPartial;
     zonedDateTime['~fw_temporal_partial'] = {};
 
     const parts = getOrderedSegmentTypes();
@@ -27,7 +34,12 @@ export function createTemporalPartial(
     return zonedDateTime;
   }
 
-  const zonedDateTime = toCalendar(now(timeZone), calendar) as TemporalPartial;
+  const zonedDateTime = toCalendar(now(timeZone), calendar).set({
+    hour: 0,
+    minute: 0,
+    second: 0,
+    millisecond: 0,
+  }) as TemporalPartial;
   zonedDateTime['~fw_temporal_partial'] = {};
 
   return zonedDateTime;